The Coase Theorem

Marginal Revolution University
18 Mar 201508:16

Summary

TLDRThe Coase Theorem posits that externalities like pollution or benefits such as pollination services can be efficiently managed by markets if property rights are clear and transaction costs are low. The video contrasts the successful market solution for bee pollination with the challenges of pollution and flu shots, illustrating the importance of these conditions. It suggests that defining property rights and reducing transaction costs can enable markets to address externalities, hinting at tradable permits as a potential solution.

Takeaways

  • ๐Ÿ“œ Coase Theorem states that the problem with externalities is not their existence but the vagueness of property rights and high transaction costs.
  • ๐Ÿ James Meade argued that bees create an external benefit by pollinating crops, which the market would underprovide.
  • ๐Ÿ“š Steven Cheung contradicted Meade by showing that pollination is a thriving industry in the U.S., with beekeepers selling their services to farmers.
  • ๐Ÿšš Beekeepers truck their bees to provide pollination services, demonstrating that markets can internalize external benefits when transaction costs are low.
  • ๐Ÿก The proximity of bees to crops and the agreements between beekeepers and farmers make it easy to internalize the externality of pollination.
  • ๐Ÿ“ Clear property rights (beekeepers own the bees, farmers own the crops) facilitate agreements and prevent disputes.
  • ๐ŸŒŽ High transaction costs and unclear property rights make it difficult to solve externality problems like pollution and flu shots.
  • ๐Ÿญ Pollution's external costs are hard to measure and assign, with impacts potentially felt far from the source.
  • ๐Ÿ’‰ The flu shot dilemma highlights the difficulty in measuring external benefits and determining who should bear the cost.
  • ๐Ÿ“‰ The Coase Theorem suggests that with low transaction costs and clear property rights, private bargains can lead to efficient market outcomes despite externalities.
  • ๐Ÿ›๏ธ The theorem implies that government intervention to define property rights and reduce transaction costs can enable markets to address externality issues.

Q & A

  • What is the Coase Theorem?

    -The Coase Theorem suggests that if property rights are well-defined and transaction costs are low, private parties can negotiate efficient outcomes regardless of the initial distribution of property rights.

  • What did James Meade argue about the market for honey and pollination services?

    -James Meade argued that the market would underprovide honey and pollination services because beekeepers were not being paid for the pollination services provided by bees, which he considered an external benefit.

  • How did Steven Cheung prove James Meade's argument wrong?

    -Steven Cheung proved James Meade's argument wrong by discovering that pollination is a $15 billion industry in the United States, where beekeepers sell their pollination services to farmers, showing that the market does provide for these services.

  • Why do transaction costs matter in the context of externalities?

    -Transaction costs matter because if they are high, it becomes difficult for parties to negotiate and reach agreements, which can prevent the efficient allocation of resources and resolution of externality problems.

  • What role do property rights play in resolving externality issues?

    -Clear property rights are essential in resolving externality issues because they define who has the right to use or be compensated for a resource, facilitating agreements and reducing disputes.

  • How do bees and their pollination services create an externality?

    -Bees create an externality through their pollination services, which benefit nearby farmers by increasing crop yields, but this benefit is not typically accounted for in the market price of honey.

  • Why do bees not create an externality problem in the market for pollination?

    -Bees do not create an externality problem in the market for pollination because the transaction costs are low and property rights are clear, allowing beekeepers and farmers to easily negotiate agreements.

  • What is an example of high transaction costs in the context of externalities?

    -An example of high transaction costs is pollution from a factory, where it is difficult to identify and compensate all affected parties, and the costs of pollution are hard to measure.

  • How does the flu shot analogy relate to externalities?

    -The flu shot analogy relates to externalities because getting a flu shot provides a public health benefit by reducing the spread of the flu, which is an external benefit that is hard to quantify and compensate for directly.

  • What alternative approach to externalities does the Coase Theorem suggest?

    -The Coase Theorem suggests creating new markets by defining property rights and reducing transaction costs, allowing markets to control externality problems through private bargains.

  • What is the significance of tradable permits in the context of the Coase Theorem?

    -Tradable permits are a market-based solution to externality problems that align with the Coase Theorem by creating property rights in pollution rights, allowing them to be bought and sold, thus internalizing the externality.

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Transcripts

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Related Tags
Economic TheoryMarket SolutionsExternalitiesCoase TheoremProperty RightsTransactions CostsPollination ServicesEnvironmental EconomicsBeekeepingMarket Efficiency