Eco 155: Principles of Macroeconomics Class 5

Missouri State Outreach
29 Aug 201846:43

Summary

TLDRThis script delves into the concept of the production possibilities curve, illustrating the trade-offs an economy must make due to limited resources. It explains the importance of full employment and production, defining efficiency and opportunity costs. The discussion highlights the law of increasing opportunity cost, showing how the cost of producing more of one good rises as resources become less interchangeable. The script also touches on how changes in resources, technology, and social structures can shift the curve, reflecting on real-world implications with examples like the situation in Syria.

Takeaways

  • 📚 The script discusses the concept of the production possibilities curve, which illustrates the trade-offs an economy faces when allocating limited resources to produce different goods and services.
  • 🌐 It emphasizes the importance of understanding scarcity and the idea that resources cannot create goods and services out of thin air, hence the need to prioritize and choose wisely.
  • 💼 The terms 'full employment' and 'full production' are defined, with the former meaning all resources are being used and the latter indicating resources are used where they have the greatest effect on output.
  • 🌱 An example is given to show comparative advantage, like growing oranges in Florida instead of northern Canada, to highlight the efficiency of using resources where they are most effective.
  • ⚙️ Assumptions of the production possibilities curve include an economy operating efficiently with fixed resources in quantity and quality, and a fixed level of technology.
  • 📈 The script explains that the production possibilities curve represents all possible production outcomes given the constraints, showing an infinite number of choices rather than just a few discrete options.
  • 🔄 The concept of opportunity cost is introduced, demonstrating that as more of one good is produced, the cost in terms of the other good increases, illustrating the law of increasing opportunity cost.
  • 📉 The script uses the law of increasing opportunity cost to explain why it's not possible to have more of everything, as resources are not perfect substitutes and the cost of reallocating them increases.
  • 🔄 It also discusses how changes in the quantity or quality of resources, technology, or the legal/social structure can shift the production possibilities curve outward (expansion) or inward (contraction).
  • 🏛 The importance of a strong legal and social structure for efficient production is highlighted, as corruption or a lack of work ethic can diminish the production possibilities of an economy.
  • 🌍 The script concludes with real-world examples, such as the situation in Syria, to illustrate how conflict and instability can drastically reduce a country's production capabilities.

Q & A

  • What is the main concept discussed in the video script?

    -The main concept discussed in the video script is the production possibilities curve, which illustrates the different combinations of goods that can be produced given limited resources and a fixed level of technology.

  • What does the term 'full employment' mean in the context of the script?

    -In the context of the script, 'full employment' means utilizing all available resources, ensuring that there are no idle resources or unemployed people who want to work.

  • What is the definition of 'full production' as mentioned in the script?

    -'Full production' is defined as using resources in a way that they have the greatest effect on output, producing goods and services where there is a comparative advantage.

  • What are the assumptions made when drawing a production possibilities curve?

    -The assumptions made when drawing a production possibilities curve include the economy operating efficiently with full employment and full production, fixed quantity and quality of resources, and a fixed level of technology.

  • Why is it not possible to have both more education and more healthcare without opportunity costs?

    -It is not possible to have both more education and more healthcare without opportunity costs because resources are limited, and increasing one area typically means decreasing another due to the law of increasing opportunity cost.

  • What is the law of increasing opportunity cost?

    -The law of increasing opportunity cost states that as more units of a good are produced, the opportunity cost of producing additional units of that good increases because resources are not perfect substitutes for one another.

  • How does the quality of resources affect the production possibilities curve?

    -The quality of resources affects the production possibilities curve by influencing the efficiency and effectiveness with which goods and services can be produced. Higher quality resources can lead to a shift outward in the curve, indicating increased production capabilities.

  • What impact does technology have on the production possibilities curve?

    -Technology impacts the production possibilities curve by determining the knowledge and methods available to turn resources into goods and services. Advances in technology can shift the curve outward, indicating that more can be produced with the same resources.

  • How can changes in legal and social structures affect production possibilities?

    -Changes in legal and social structures can affect production possibilities by influencing the stability and predictability of economic activities. A strong legal framework and positive social structures can enhance production, while corruption or social unrest can diminish it.

  • What happens to the production possibilities curve when there is a war or conflict?

    -During a war or conflict, the production possibilities curve may shift inward due to the loss of resources, destruction of capital, decline in the quality of resources, and the breakdown of legal and social structures, leading to reduced production capabilities.

  • Can a country produce more of both goods simultaneously without any changes in resources, technology, or social structures?

    -No, a country cannot produce more of both goods simultaneously without changes in resources, technology, or social structures due to the constraints of the production possibilities curve and the law of increasing opportunity cost.

Outlines

00:00

📈 Introduction to Production Possibilities Curve

The script introduces the concept of a production possibilities curve, which is a model used to understand the allocation of limited resources to produce goods and services. It emphasizes the scarcity of resources and the resulting limitation on production. The video aims to explore methodologies to address this scarcity, defining terms like 'full employment' and 'full production'. Full employment refers to utilizing all available resources, while full production is about using these resources where they have the greatest effect on output, often in areas of comparative advantage.

05:01

🔍 Assumptions of the Production Possibilities Curve

This paragraph outlines the assumptions underlying the production possibilities curve model. The economy is assumed to operate efficiently, with full employment and production, meaning all resources are actively contributing to output. Resources are considered fixed in both quantity and quality, and technology is also fixed. The assumptions provide a snapshot of an economy at a given moment, acknowledging that these factors can change over time, affecting the shape and position of the production possibilities curve.

10:01

🍕📚 Trade-offs and the Shape of the Production Possibilities Curve

The script uses the example of choosing between producing pizzas and textbooks to illustrate the concept of trade-offs. It explains that if all resources are dedicated to one product, none can be allocated to the other. The graph of these choices forms the production possibilities curve, which represents all possible combinations of two goods that can be produced efficiently. The curve shows the trade-offs involved in producing more of one good at the expense of the other, highlighting the infinite number of choices along the curve.

15:04

📉 Inefficiency and Impossibility in Production

This section discusses the concepts of efficiency and possibility in the context of the production possibilities curve. Points inside the curve represent inefficient production, while points outside the curve are impossible given the current level of resources, technology, and other factors. The script emphasizes that all points on the curve are efficient and possible, but there is no single 'best' point, as preference for a particular point is subjective and normative.

20:09

📚 Opportunity Cost and the Law of Increasing Opportunity Cost

The script explains the concept of opportunity cost as it relates to the production possibilities curve. Opportunity cost is the value of the next best alternative given up when making a choice. The law of increasing opportunity cost states that as more of one good is produced, the opportunity cost of producing additional units of that good increases. This is due to the fact that resources are not perfect substitutes for one another, leading to diminishing returns as resources are reallocated from one production process to another.

25:17

🛠️ Factors Influencing Production Possibilities

This paragraph delves into the factors that can shift the production possibilities curve, such as changes in the quantity or quality of resources, advancements in technology, and the legal and social structure of a society. It provides examples of how these factors can either expand or contract the curve, thereby affecting the potential output of an economy. The script also touches on the importance of a strong work ethic and the rule of law in maintaining an efficient and productive economy.

30:18

🌐 Real-World Implications of Production Possibilities

The script concludes by applying the concept of the production possibilities curve to real-world scenarios. It uses the example of Kobani, Syria, to illustrate how conflict and social upheaval can diminish the production possibilities of a region. The destruction of infrastructure, loss of human capital, and the breakdown of legal and social structures all contribute to a reduction in the quantity and quality of resources available for production, shifting the curve inward and limiting the potential output of goods and services.

Mindmap

Keywords

💡Production Possibilities Curve

The Production Possibilities Curve (PPC) is a conceptual tool used in economics to illustrate the different combinations of two goods that can be produced with a given quantity of resources and a fixed level of technology. In the video, the PPC is used to demonstrate the trade-offs an economy faces when deciding how to allocate its resources between two goods, such as pizza and textbooks. The curve shows all the possible combinations of production that are achievable with the current level of resources and technology, and it is a central theme of the video.

💡Scarcity

Scarcity refers to the economic concept that resources are limited while human wants are virtually unlimited. In the video, scarcity is mentioned to explain why goods and services cannot be created out of thin air and why choices must be made regarding the allocation of resources. It is a fundamental economic problem that the PPC helps to address by showing the potential outcomes of different resource allocations.

💡Full Employment

Full employment is an economic state where all available labor resources are being utilized. In the video, full employment is defined as using all available resources without having idle resources or unemployed people who want to work. It is an important assumption in the PPC model because it establishes the baseline for the efficient use of resources.

💡Full Production

Full production is the concept of using resources to their greatest effect on output, producing goods and services where there is a comparative advantage. The video explains that full production means not just using all resources, but using them in the most productive way possible, such as growing oranges in Florida instead of trying to grow them in northern Canada.

💡Comparative Advantage

Comparative advantage is an economic principle that states that an economy should produce goods and services for which it has the lowest opportunity cost, or the least it has to give up to produce more of that good or service. In the video, the concept is introduced to explain why certain goods should be produced based on the resources and capabilities that an economy has, rather than trying to produce everything.

💡Efficiency

Efficiency in the context of the video refers to the optimal use of resources to produce the maximum output. Points on the PPC represent efficient production levels where resources are allocated in a way that no more of one good can be produced without reducing the production of another. Inefficient points, like Point F in the script, are inside the curve and represent a waste of resources.

💡Opportunity Cost

Opportunity cost is the cost of forgoing the next best alternative when making a choice. In the video, opportunity cost is used to explain the trade-offs involved in resource allocation. As the economy moves from producing one good to producing more of another, the opportunity cost changes, illustrating the concept of the law of increasing opportunity cost.

💡Law of Increasing Opportunity Cost

The law of increasing opportunity cost states that as more of one good is produced, the opportunity cost of producing additional units of that good increases. In the video, this law is demonstrated by the increasing cost of producing additional pizzas as resources that are better suited for textbook production are reallocated to pizza production.

💡Resources

Resources in the video refer to the inputs used in the production of goods and services, such as labor, capital, and land. The script discusses the importance of using these resources efficiently, as they are finite and fixed in quantity and quality for the purpose of the PPC analysis.

💡Technology

Technology in the video is defined as the knowledge and methods used to turn resources into goods and services. It is one of the factors assumed to be fixed in the short term for the PPC analysis. Changes in technology can shift the PPC outward, indicating increased production possibilities.

💡Legal and Social Structure

Legal and social structures refer to the societal and legal frameworks that influence economic activity. In the video, changes in these structures can affect the production possibilities of an economy, either by enhancing or restricting the efficient use of resources and technology.

Highlights

Introduction to the concept of the production possibilities curve (PPC) as a tool for understanding the allocation of scarce resources.

Explanation of the scarcity of resources and its impact on the limitation of goods and services production.

Definition of full employment and its distinction from overexploitation of resources or unethical labor practices.

Clarification of full production, emphasizing the efficient use of resources based on comparative advantage.

The analogy of growing oranges in northern Canada versus Florida to illustrate the concept of comparative advantage.

Assumptions underlying the PPC model, including efficient operation, fixed resources, and constant technology.

Graphical representation of the PPC with examples of different production choices for pizza and textbooks.

The infinite number of choices along the PPC and the concept of connecting these to form the curve.

Discussion on the subjective nature of choosing the best point on the PPC based on societal preferences.

Introduction of the opportunity cost concept and its role in decision-making along the PPC.

Illustration of the law of increasing opportunity cost with the trade-off between pizzas and textbooks.

Explanation of why resources are not perfect substitutes and the implications for opportunity costs.

The impact of changes in resources, technology, and social structures on the PPC.

Examples of how political promises of increased spending in multiple sectors can conflict with the PPC and opportunity costs.

Visual demonstration of the PPC shift using the example of Syria's production capabilities before and during conflict.

The importance of legal and social structures in maintaining an efficient production system.

Conclusion emphasizing the PPC as a snapshot of economic possibilities and the dynamic nature of resources and technology.

Transcripts

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[Music]

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okay so what we want to do is we want to

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continue our discussion here and we want

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to look at a completely different model

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and that would be production

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possibilities curve so we know let's go

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back and review we know we have this

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idea of our resources and we know that

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we want to turn these guys into goods

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and services and we know that those

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resources are limited in scarce

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therefore we know that the goods and

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services themselves are going to be

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limited in scarce because we can't

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create these goods and services out of

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thin air so in essence we're gonna have

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this problem and if we if there's some

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amount of resources here that are not

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being used whatever this fraction is

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right it's this fraction here not used

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is it obvious that this guy is going to

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be a little bit smaller all right not

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created is that obvious if we don't have

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it we have resources that are not being

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used there's gonna be stuff that's not

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being made right because we can't make

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goods and services out of thin air we're

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not God we have to have resources to

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make those goods and services the

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problem is is that even if we do get and

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wind up and use all of these guys we're

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still gonna have a limited amount of

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goods and services to produce that's

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just what there is so what we want to

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know is we want to know what type of

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methods or methodologies or whatever can

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we use to kind of understand this

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problem in a little bit more detail now

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what we're going to do is we're going to

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use something called the production

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possibilities curve

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hi now before we start looking at this

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guy we need to define a few terms so we

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need to find full employment and we need

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to find full production so full

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employment means we're going to be using

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all of these resources okay it does not

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mean that we're over exploiting the

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environment or that you're using child

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labor or something like that right

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here's your set of resources we want to

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use them all we don't want resources

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sitting idle it doesn't make sense to

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have people unemployed that want to work

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it doesn't make sense to build factories

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and have them sit there right so we want

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to use all of these available resources

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full production is this idea we want to

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use these resources where they will have

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the greatest effect on output

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now we'll define this guy as essentially

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using our u resources producing with the

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good and services they have a

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comparative advantage in will define

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what we mean by compare to advantage a

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little bit later on but we can kind of

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conceptualize what this guy means right

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now and let's look at it like this

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we've got oranges that we want to grow

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and the question is can we grow these

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guys in northern Canada can we grow

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oranges in northern Canada not easily

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because we could do it what would we

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have to have a green house right you

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could grow oranges in North Canada and

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you might even use full employment of

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all of your resources to try to make

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that happen right it might take a whole

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lot of more resources to try to grow

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oranges in North Canada in fact it does

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take a whole lot more resources to try

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to try to grow oranges in northern

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Canada but then it does in Florida so we

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might have full employment but that's

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not full production right that's not

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using those resources we're gonna have

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the greatest effect on output right in

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other words it's much easier to grow

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oranges in Florida where they naturally

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want to grow and like northern Canada

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grow wheat Wow

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so we have this idea of our full

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employment in full production right so

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let's look at some assumptions here

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economy is operating efficiently right

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now what we mean by this is that we have

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full employment and full production

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we're producing the goods and services

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that we have a comparative advantage in

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we have the resources are not sitting

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idle right people have jobs factories

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are being used we don't have stuff just

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sitting around doing nothing our

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resources are fixed in quantity

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Wow so we have our factors of production

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which is another name for our resources

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our factors of production are fixed in

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quantity right the labor force isn't

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growing or shrinking the amount of

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capital is not increasing or decreasing

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lands not increasing or decreasing etc

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our factors of production are fixed in

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quality right so our labor force isn't

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becoming more educated or less educated

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capitals not increasing or decreasing in

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quality etc

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technology is fixed alright so what do

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we mean by technology when you hear the

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word technology what do you think of

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yeah computers right generally what

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people say but that's not in essence

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what we mean right what we mean by

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technology is our knowledge of how to

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turn resources into goods and services

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we kind of saw that last time on the

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video right where we had people that

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we're taking different types of

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chemicals and turning them into

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something completely different right or

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people were combining this stuff to

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create something else or people are

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using all of these different things to

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create brand new products right

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none of that stuff necessarily needed

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computers per se so we have these four

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assumptions here else have two goods

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pizza and textbooks we have these

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assumptions here we've got two goods

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pizza and textbooks and in essence what

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we're saying is that well our economy is

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operating efficiently in other words

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we're using all of our resources we're

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using we're gonna have the greatest

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effect on output our factors of

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production are fixed and quantity and

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quality and our level of technology is

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fixed now do we typically see this the

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labor force doesn't change at all the

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labor force is in getting more educated

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or less educated and our knowledge of

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how to turn stuff into goods and

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services doesn't changing at all do we

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see that no all right so we can think of

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this as a snapshot

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because over time we know that these

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guys are changing alright so we're just

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looking at a snapshot for right now

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we'll change these assumptions here in a

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few minutes so let's look at our choices

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so we're gonna have textbooks up here we

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have pizza here

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and if we devote all of our resources to

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making textbooks we can make 10

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textbooks and if we have all of our

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resources making textbooks how many

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pizzas can we make zero all right if we

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devote all of our resources to making

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pizza we can make four pizzas and if we

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have all of our resources being devoted

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to pizza how many textbooks can we make

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zero so here are five of our different

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choices right we've got ten textbooks

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and one pizza nine books or strike that

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10 textbooks and zero pizzas nine

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textbooks one pizzas 7 and 2 4 and 3 0

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and 4 right and we can look at these on

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a graph so we're gonna put pizza over

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here no particular reason

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we'll put books over here blessing okay

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and we've got these little sets of

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choices here alright so here's 10 I'll

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call this guy a here was annoying and he

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was he looks it here

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call this guy be it was 7 I'll put him

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out here see I'll call him D

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three two one all right so here's our

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five different choices plotted on a

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graph all right now are there really

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only five different choices No can you

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make half a pizza yeah right

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I get half homeworks half quizzes half

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tests all the time right you can Colt

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you can totally make half a pizza you

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can totally make half a textbook right

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so we don't actually have five different

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choices how many choices do we actually

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have an infinite number of choices right

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very good and when we connect all of

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those infinite number of choices

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together we get the production

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possibilities curve all right

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because this curve shows all the

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different possible production

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alternatives

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given these set of choices over here

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right given the set of choices that we

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are operating efficiently our factors of

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production are fixed in quantity our

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factors of production are fixed in

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quality and our technology is fixed now

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which point is best what did you say so

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you got this one right here so what's

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your name

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Mary Mary says D is best what do you

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think well so which one would you choose

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so she chooses C what's your name

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Courtney Cu okay who's right is it C or

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is it deep we're gonna have an election

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do we want seven textbooks in two pizzas

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or do we want four books and three

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pizzas any of these points on the curve

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is just as good as any other point there

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isn't any best point per se on the curve

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right which point you want to be at a B

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C D or E which one's best quote unquote

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is a normative issue but we can look at

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a couple of other points we can look at

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say point F

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and point G and I'm going to make point

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F right here so point F is for books and

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one pizza so let's look at this guy for

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a second for books and one pizzas he

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possible yeah because it's possible when

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we're making one pizza to make as many

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as nine books what do we have to do to

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make four books instead of nine yeah

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just be inefficient just be lazy that's

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all you got to do not have people work

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all right so we see that this guy is

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possible but not efficient let's look at

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Point G point G I'm gonna stick out here

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so Point G here is seven books

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and three pizzas what's true about this

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guy it's not possible it's not a matter

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of working harder it's a matter we can't

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do that we do not have either the

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quantity or the quality or the level of

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technology to make point G he is not

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possible so this guy point G here not

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possible so if we're comparing the guys

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on the line to the guys inside the guys

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on the line are better than the guys

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inside

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that's not normative that's positive the

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guy outside here being better than the

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guys on the line that's true all right

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that's not a pause I mean that's not a

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normative issue that's a positive issue

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but as to which point we want to be on

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the line that's a normative issue so we

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can say that the points on the line are

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superior they're better than the points

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inside we can't say that points outside

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are better than points on the line we

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can't say which point on the line we

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want to be yet that we can't say that's

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I mean you can say that that's what we

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have to do but you can't say B is better

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than deep right that's that value is

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subjective sort of thing that we talked

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about earlier you can't objectively

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measure about you cannot say D is

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clearly superior to B because it's not

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depends on people's preferences okay

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let's look at something here

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let's assume we're at Point a and we

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move to point B what do we gain very

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good so we're gonna gain a pizza what do

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we lose one book very good all right so

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we have an opportunity cost here I'm

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just gonna brief ate opportunity cost Oh

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see we have an opportunity cost here in

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one book let's go from point B to Point

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C what do we gain very good

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what's its opportunity costs very good

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everyone see that so when we go from

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point A to point B we're gonna gain a

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book we're gonna lose I mean strike that

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we gained a pizza we're gonna lose a

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book right so here is that opportunity

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cost for our first pizza all right

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here's the opportunity cost for our

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second pizza right I mean in essence

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you're just going to hear here's what

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you had to gain the second time let's go

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from Point C to point D

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what do we gain I already started

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writing it what do we gain one pizza

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what's the opportunity costs three books

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and you can actually measure the size of

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that let's see we've used will use green

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this time here all right

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this green guy larger the red guy good

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guy large and the blue guy let's go from

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point D to point eat blessing what do we

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gain one pizza what do we lose what's

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its opportunity cost

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and you can actually measure that here

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we'll do it with this guy right here and

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black so let's think very very carefully

play21:16

about what's happening here is we make

play21:18

more and more pizzas what's happening to

play21:20

the opportunity cost of another pizza

play21:23

it's getting bigger right we call this

play21:26

the law of increasing opportunity cost

play21:42

and what this law of increasing

play21:44

opportunity cost says is that as you

play21:46

make more and more units of a good the

play21:59

opportunity cost of making more

play22:04

increases hence the name increasing

play22:07

opportunity costs so as we try to make

play22:15

more and more pizzas the opportunity

play22:17

cost we're gonna have to give up in

play22:18

terms of books is going to go up right

play22:21

and we can see that they're the first

play22:22

pizzas only cost us one book the second

play22:24

pizza though cost us two books the third

play22:27

pizza cost us three books the fourth

play22:28

pizza cost us four books

play22:44

why

play22:51

why does the opportunity cost increase

play22:59

well why would the opportunity costs not

play23:01

to stay the same be constant every

play23:04

single time you want another pizza it'll

play23:05

cost you a book that's it right there

play23:15

resources are not perfect substitutes

play23:17

for each other

play23:34

so let's think very very carefully about

play23:37

what this guy's says

play23:58

what does it take to make pizza what do

play24:02

you need dough sauce cheese toppings

play24:24

would you say in the oven

play24:32

for us

play24:37

pan this Pizza gonna assemble itself

play24:44

labor

play24:45

Yatta Yatta Yatta Yatta right bubble a

play24:47

little digital you got an idea what it

play24:50

takes to make a pizza you've all seen

play24:51

pizza before you know what it is it's

play24:53

not that complicated

play24:56

what does it take to make textbooks

play24:59

paper ink glue printer press printing

play25:17

press slash binding mm-hmm a writer /

play25:27

editor yadda yadda yadda yadda yadda

play25:31

yadda yadda right so you know what it

play25:33

takes to make a book does our economy

play25:37

contain all of these resources yes

play25:48

because we can make textbooks and pizzas

play25:50

therefore we have to have a printing

play25:52

press and a binding machine and an oven

play25:55

you have to because we know that we can

play25:58

make textbooks and pizzas now let's

play26:01

think very very carefully about this so

play26:03

here we are we're making all textbooks

play26:04

and we say I don't want to make all

play26:06

textbooks I want to make some pizzas how

play26:14

much does that contribute to textbook

play26:16

production very little right when I was

play26:24

in college

play26:24

our landlord our oven was gas the heat

play26:28

in the house was electric he paid the

play26:31

gas bill we paid the electric bill so

play26:33

what we would do on cold days in

play26:36

Northeast Missouri we would crank up the

play26:39

oven to 500 degrees

play26:40

open the door stick a fan in front of it

play26:43

in and blows free heat out right so we

play26:46

could use the oven the heat

play26:49

part of the place where we're printing

play26:52

right it doesn't have zero value but it

play26:55

doesn't have a whole lot of value right

play26:56

so as we're here at a we're releasing

play27:00

and we're moving to B we're releasing

play27:02

resources and we're going to release the

play27:06

resources that are really really good at

play27:08

making pizzas well that's gonna be the

play27:09

oven and the sauce which we were using

play27:11

to lubricate the binding machine alright

play27:15

well we found something about or we

play27:16

found you know three and one oil or

play27:19

whatever so we're releasing these

play27:21

resources that are really good at making

play27:24

pizzas but they're not very good at

play27:27

making ovens and because they weren't

play27:30

real they're not really good at making

play27:31

books because they weren't really good

play27:33

at making books book production doesn't

play27:35

fall by that much it only falls by one

play27:37

and then as we get farther and farther

play27:40

down this guy as we go from like D to e

play27:43

now we're trying to take all of these

play27:46

resources over here that are really

play27:48

really really really good at making

play27:49

books and not that great at making

play27:52

pizzas and try to get them to make

play27:54

pizzas I sense they're really good at

play27:57

making books book production falls by a

play27:59

whole lot and since they're not that

play28:02

great at making pizzas pizza production

play28:03

doesn't go up by that much right so

play28:06

these resources are not perfect

play28:08

substitutes for each other and because

play28:10

of that we have this law of increasing

play28:12

opportunity cost is we try to make more

play28:14

and more more of some good the

play28:16

opportunity cost is going to increase

play28:18

and you can see this

play28:30

here right

play28:31

here's education here's healthcare

play28:43

and I'm gonna just to show you that this

play28:45

isn't a contrived example and I'm not

play28:47

this doesn't show increasing opportunity

play28:50

cost because I drew it trickily all

play28:54

right I'm gonna make these old guys the

play28:57

same

play29:00

okay so here's four units of education

play29:04

here's three units of education there's

play29:07

two units of education here's one unit

play29:09

of education health care can be anything

play29:11

up here your health care alright so here

play29:17

you are at some point it can be any

play29:19

point that you want it to be right as we

play29:30

go from making all health care to making

play29:33

education all right we've got one unit

play29:37

of education here here is the

play29:38

opportunity cost there's what it cost us

play29:39

in terms of health care that's how much

play29:41

health care we had to lose right and we

play29:43

want to make another unit of education

play29:45

all we did was double this guy that guy

play29:52

in green is clearly larger than the guy

play29:54

in red and all we want to do is increase

play29:56

it again one more unit that guy in blue

play30:04

is clearly larger than the guy in green

play30:06

right and then once again right going

play30:10

from I'll use I guess I'll use blonde

play30:16

and then we have this guy down here

play30:18

right

play30:24

so if we're at this point right here oh

play30:29

it could be anywhere we're here and the

play30:35

politician says we're gonna have more

play30:38

education and more health care because

play30:44

that's what they say is that going to be

play30:51

possible no right if you want more

play30:56

health care that's fine

play31:08

but this guy actually has to decrease

play31:10

not increase right and the same thing if

play31:15

you're here alright if you're here and

play31:18

you say we're gonna have more education

play31:21

and more healthcare I mean that's fine

play31:30

but this guy has to go down right I mean

play31:34

and you can see it I mean I'm a I'm a

play31:38

perfect example right I mean my name is

play31:41

or my title

play31:45

dr. Mitchell all right

play31:47

do you want me operating on you know

play31:53

right I am not that kind of doctor so

play31:58

let's assume we live in a totalitarian

play32:00

state where they say we don't want you

play32:03

doing education anymore we're gonna put

play32:05

you in the healthcare field okay it's

play32:09

fine what can I do in the healthcare

play32:12

field

play32:18

be an administrator what else can I hand

play32:25

a scalpel to the doctor

play32:26

scope ooh can I do that stat all right I

play32:32

can say stat all right I can clean up

play32:39

after people after they've thrown up

play32:41

from having surgery all right and all of

play32:43

the other things that goes into a blah

play32:44

blah blah blah blah but I can't operate

play32:47

on people all right so if you take me

play32:50

and I like to think that I have a

play32:53

comparative advantage in education

play32:55

if you switch me from education to

play33:01

health care because I'm really really

play33:04

good at education this guy goes down by

play33:07

a whole lot but I'm not that good at

play33:10

health care I don't really enjoy that

play33:13

this guy goes up by a little bit all

play33:16

right and so the total is you actually

play33:20

kind of mean if you want more healthcare

play33:22

that's fine you know so stick me in

play33:25

where I'm gonna have the greatest effect

play33:27

on health care I don't know where that's

play33:29

gonna be but health care is going to go

play33:31

up by a little bit education is going to

play33:32

go down by a lot we're gonna have this

play33:34

increasing opportunity cost is we want

play33:37

to make more and more of some good

play33:38

whatever that something is it doesn't

play33:40

matter it's when a politician tells

play33:44

you're gonna have both more education

play33:45

both more health care we're gonna have

play33:47

more national defense and everyone's

play33:49

taxes are gonna get cut you know that's

play33:53

not happening that can't be true

play33:55

something has to go down right you have

play33:59

to have this opportunity cost this is

play34:02

the thing that people also don't

play34:03

understand people don't understand why

play34:07

we were here wherever this point is for

play34:13

health care and then they said we want

play34:15

more health care and that's fine you can

play34:16

have more health care if you want you

play34:18

can have all the health care you want I

play34:19

could care less all right or you're here

play34:23

wherever you're here and people say oh

play34:25

we want more health care we want to go

play34:27

this way that's fine but that health

play34:30

care cost has to

play34:31

increasing which is exactly what it's

play34:34

been doing right I mean if you look at

play34:36

2008 to today the total amount spent on

play34:39

health care has been going up that's not

play34:42

surprising the opportunity cost is going

play34:44

up it's not going down because is you

play34:46

want more of something the law of

play34:48

increasing opportunity cost says getting

play34:51

more units of something that's going to

play34:53

have a larger and larger and larger

play34:54

opportunity cost it's just the way that

play34:56

it is and that's going to be true like

play35:01

we said for education for whatever and

play35:03

whatever it is that they're promising

play35:05

you questions about this before we move

play35:14

on right I mean it doesn't have to be

play35:20

this it can be your economics test and

play35:29

biology the more time you spend studying

play35:33

for economics the less time you have to

play35:35

spend studying for biology I don't need

play35:38

to study more for biology that's fine

play35:40

going this way that means less time to

play35:44

study for economics increasing

play35:47

opportunity costs so let's go back and

play35:53

look at our assumptions right we said

play35:54

our resources were fixed in quantity

play36:11

our races our sources are fixed in

play36:14

quality and our technology is fixed what

play36:27

happens when these guys change because

play36:29

these guys do change no texting in class

play36:31

please thank you what happens when these

play36:35

guys change exactly right

play36:52

[Applause]

play36:58

so let's look at the winter education

play37:01

healthcare doesn't matter must do

play37:05

something stupid

play37:20

our production possibilities curve for

play37:21

computers and beach balls so if we see a

play37:26

change here and our level of resources

play37:29

our quantity of resources or a change in

play37:42

our quality of resources or our level of

play37:54

technology remember technologies is

play37:56

knowledge of how to turn resources into

play37:58

goods and service that has nothing to do

play37:59

with computers then we're gonna see this

play38:04

production possibilities curve shift out

play38:06

and there's one more kind of here I'm

play38:07

going to call this legal slash social

play38:11

structure all right these these social

play38:19

constructs that we use to define society

play38:22

are very very important right in other

play38:25

words what we mean by these legal and

play38:27

social structures is that when you have

play38:29

I mean I kind of put this if there's no

play38:35

rule of law it's very very difficult to

play38:37

make contracts right and the contracts

play38:40

don't have to be formalized contracts

play38:42

where it's actually written out and

play38:43

signed and notarized it can be a social

play38:45

contract that you're making with other

play38:47

people all right same thing here when

play38:49

you have this kind of social structure

play38:52

if there's if some country has a really

play38:54

strong work ethic then giving these

play38:57

conditions they're going to be able to

play38:58

make more than a country that has a

play39:00

social structure it doesn't have a

play39:01

strong work ethic they're gonna have all

play39:04

of these resources and quantity and

play39:06

quality and levels of technology and

play39:07

don't make less stuff right or if the

play39:11

legal structure changes in such a way

play39:13

that the rule of laws and followed

play39:17

anymore and it's corrupt you're gonna

play39:20

have less stuff being made it's just the

play39:22

way that it is so we have these things

play39:25

changing right our production

play39:27

possibilities curve and essence is going

play39:31

to shift out

play39:33

right and so we have here you have like

play39:37

this guy right here I'll call this guy

play39:38

Point C or it's calling point X so here

play39:44

we have C 1 and B 1 and thanks to this

play39:52

increase in the quantity or quality of

play39:54

resources has changed technology or our

play39:57

legal and social structure changed such

play39:59

such a way that we are actually able to

play40:01

make more stuff what happens with b1 and

play40:05

c1 what's what's true about X and what's

play40:08

true about Y so before we have this

play40:14

change what's true about X possible yeah

play40:21

efficient yes what's true about why not

play40:26

possible now we have this change now

play40:30

what's true about x and y x is possible

play40:36

and he is inefficient what's true about

play40:39

why he's efficient all right and you can

play40:43

actually see here that we've got like

play40:44

say c2 b2 right it's possible for us to

play40:51

make both more beachballs

play40:52

and computers or we could do something

play40:54

different right we could make the same

play40:56

number of computers more beach balls we

play41:00

could make the same number of beach

play41:02

balls and more computers right or any

play41:05

combination between we can make more

play41:07

boats we can also have it's these guys

play41:15

going down all right there's a possible

play41:21

for our country to have the quantity of

play41:22

its resources diminish yeah quality

play41:26

totally technology

play41:31

I guess sure I don't know how that works

play41:33

but yeah legal and social structure for

play41:36

the for the country become more corrupt

play41:37

or people to stop working yeah yeah

play41:48

because that was a that was a snapshot

play41:51

that one was saying where do we want to

play41:52

be do we want to be here or do we want

play41:58

to be here we can change the quantity

play42:03

and quality of resources in the long run

play42:06

can we change it tomorrow President

play42:09

Trump gets elected Trump didn't get

play42:11

elected Hillary Clinton elected Bernie

play42:13

Sanders getting elected George got

play42:15

elected Fred

play42:16

his name is George Fred that's his name

play42:18

president Fred comes in and says okay

play42:21

and in six months time we're gonna have

play42:23

both more national defense spending and

play42:25

more health care spending and more

play42:28

education spending and we're going to

play42:30

create more beachballs and computers is

play42:36

that gonna be possible not over the long

play42:39

term could you do it possibly so if

play42:48

these guys are diminishing what's

play42:49

happening to our production

play42:50

possibilities curve here he's shifting

play42:55

it so here we see this guy doing this

play43:07

so here we've got what are we looking at

play43:09

computers and beach balls c1v1 right now

play43:23

this guy is shifting in so here's our

play43:35

point X we had a decrease in our

play43:42

quantity of resources

play43:50

so what's true about X

play43:58

he used to be what possible and

play44:01

efficient now he's he's not possible

play44:08

point Z used to be inefficient and

play44:13

possible now point Z is efficient right

play44:18

so if you want to see production

play44:20

possibilities curve changing I mean you

play44:23

can see that it's really easy

play44:35

here is kobani Syria I don't have a

play44:39

slide a studio where this city is

play44:41

someplace in Syria all right

play44:44

and you can get a sense of what it looks

play44:46

like right there all right I don't know

play44:48

I don't have the slightest idea of what

play44:50

they make I don't know what they make

play44:51

they make stuff whatever it is right you

play44:53

got all these buildings there and homes

play44:55

and stuff clearly they're making

play44:56

something obvious right what's been

play45:02

going on in Syria for a while killing

play45:06

each other and blowing stuff up right

play45:08

there's what it looks like today what

play45:14

are they making now not much because

play45:21

whatever was being made here whatever

play45:25

that was can't be made anymore I mean

play45:27

look at this there's no building here

play45:29

that I can see in this picture that has

play45:32

no damage to it so here's these

play45:36

resources quantity of labor quantity of

play45:40

capital right quality of labor quality

play45:43

of capital and the quantity and quality

play45:47

of diminished right people are dead the

play45:51

smart people left a long time ago right

play45:54

the quantity of labors gone down or the

play45:57

quantity of capital has gone down the

play45:59

quality of capital that's left has gone

play46:01

down there still are the same levels of

play46:03

technology I mean I doubt there how to

play46:05

turn resources and good in the services

play46:07

change unless of course all the smart

play46:08

people left and then all the people left

play46:10

are the dumb people

play46:11

then maybe the level of technology has

play46:12

gone down all right

play46:14

and their legal and social structure

play46:16

what type of social structure do you

play46:19

have now it's non-existent right there's

play46:23

no legal sir

play46:24

hey you parked your car illegally I'm

play46:28

gonna do X Y & Z what boom boom

play46:31

you're dead there's no legal and social

play46:33

structure there anymore

play46:35

it's an arc so we've seen a diminishment

play46:39

of their production possibilities curve

play46:41

well pick it from here on Friday

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Etiquetas Relacionadas
Economic TheoryResource AllocationScarcityProduction CurveEfficiencyOpportunity CostComparative AdvantageFull EmploymentFull ProductionEconomic Analysis
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