Содержание
- 2. © 2007 Pearson Addison-Wesley. All rights reserved. Externalities, Open Access, and Public Goods In this chapter,
- 3. © 2007 Pearson Addison-Wesley. All rights reserved. Externalities Externality The direct effect of the actions of
- 4. © 2007 Pearson Addison-Wesley. All rights reserved. Externalities Externalities may either help or harm others. An
- 5. © 2007 Pearson Addison-Wesley. All rights reserved. The inefficiency of competition with externalities Competitive firms and
- 6. © 2007 Pearson Addison-Wesley. All rights reserved. The inefficiency of competition with externalities Private cost The
- 7. © 2007 Pearson Addison-Wesley. All rights reserved. Supply-and-Demand Analysis We use a supply-and-demand diagram to illustrate
- 8. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.1 Welfare Effects of Pollution in a Competitive
- 9. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.1 Welfare Effects of Pollution in a Competitive
- 10. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.1 Welfare Effects of Pollution in a Competitive
- 11. © 2007 Pearson Addison-Wesley. All rights reserved. Supply-and-Demand Analysis The figure illustrates two main results with
- 12. © 2007 Pearson Addison-Wesley. All rights reserved. Reducing Externalities Because competitive markets produce too many negative
- 13. © 2007 Pearson Addison-Wesley. All rights reserved. Table 18.1 Industrial CO2 Emissions, 2002
- 14. © 2007 Pearson Addison-Wesley. All rights reserved. Reducing Externalities If a government has sufficient knowledge about
- 15. © 2007 Pearson Addison-Wesley. All rights reserved. Reducing Externalities A governmental limit on the amount of
- 16. © 2007 Pearson Addison-Wesley. All rights reserved. Reducing Externalities Internalize the externality To bear the cost
- 17. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.2 Taxes to Control Pollution Placing a tax
- 18. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.2 Taxes to Control Pollution Alternatively, applying a
- 19. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.2 Taxes to Control Pollution Demand MC p
- 20. © 2007 Pearson Addison-Wesley. All rights reserved. Cost-Benefit Analysis By using a cost-benefit analysis, we obtain
- 21. © 2007 Pearson Addison-Wesley. All rights reserved. Cost-Benefit Analysis Welfare is maximized by reducing output and
- 22. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.3 Cost-Benefit Analysis of Pollution The benefit curve
- 23. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.3 Cost-Benefit Analysis of Pollution The net benefit
- 24. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.3 Cost-Benefit Analysis of Pollution Cost: less paper
- 25. © 2007 Pearson Addison-Wesley. All rights reserved. Market Structure and Externalities Two of our main results
- 26. © 2007 Pearson Addison-Wesley. All rights reserved. Monopoly and Externalities Although the competitive market with an
- 27. © 2007 Pearson Addison-Wesley. All rights reserved. Monopoly and Externalities Which effect dominates depends on the
- 28. © 2007 Pearson Addison-Wesley. All rights reserved. Monopoly Versus Competitive Welfare with Externalities In the absence
- 29. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.4 Monopoly, Competition, and Social Optimum with Pollution
- 30. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.4 Monopoly, Competition, and Social Optimum with Pollution
- 31. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.4 Monopoly, Competition, and Social Optimum with Pollution
- 32. © 2007 Pearson Addison-Wesley. All rights reserved. Taxing Externalities in Noncompetitive Markets Trying to solve a
- 33. © 2007 Pearson Addison-Wesley. All rights reserved. Taxing Externalities in Noncompetitive Markets To achieve a social
- 34. © 2007 Pearson Addison-Wesley. All rights reserved. Allocating Property Rights to Reduce Externalities Instead of controlling
- 35. © 2007 Pearson Addison-Wesley. All rights reserved. Allocating Property Rights to Reduce Externalities If no one
- 36. © 2007 Pearson Addison-Wesley. All rights reserved. Allocating Property Rights to Reduce Externalities For many bads,
- 37. © 2007 Pearson Addison-Wesley. All rights reserved. Coase Theorem According to the Coase Theorem (Coase, 1960),
- 38. © 2007 Pearson Addison-Wesley. All rights reserved. Table 18.2 (a,b) Property Rights and Bargaining
- 39. © 2007 Pearson Addison-Wesley. All rights reserved. Table 18.2 (c) Property Rights and Bargaining
- 40. © 2007 Pearson Addison-Wesley. All rights reserved. Coase Theorem If there are no impediments to bargaining,
- 41. © 2007 Pearson Addison-Wesley. All rights reserved. Coase Theorem Who gets the property rights affects the
- 42. © 2007 Pearson Addison-Wesley. All rights reserved. Problems with the Coase Approach First, if transaction costs
- 43. © 2007 Pearson Addison-Wesley. All rights reserved. Markets for Pollution If high transaction costs preclude bargaining,
- 44. © 2007 Pearson Addison-Wesley. All rights reserved. Markets for Pollution Under this cap and trade system,
- 45. © 2007 Pearson Addison-Wesley. All rights reserved. Markets for Pollution Bu using a market, the government
- 46. © 2007 Pearson Addison-Wesley. All rights reserved. Open-Access Common Property Open-Access Common Property Resources to which
- 47. © 2007 Pearson Addison-Wesley. All rights reserved. Overuse of Open-Access Common Property Because people do not
- 48. © 2007 Pearson Addison-Wesley. All rights reserved. Solving the Commons Problem Government Regulation of Commons Overuse
- 49. © 2007 Pearson Addison-Wesley. All rights reserved. Solving the Commons Problem Government Regulation of Commons Alternatively,
- 50. © 2007 Pearson Addison-Wesley. All rights reserved. Solving the Commons Problem Assigning Property Rights An alternative
- 51. © 2007 Pearson Addison-Wesley. All rights reserved. Public Goods Public Good A commodity or service whose
- 52. © 2007 Pearson Addison-Wesley. All rights reserved. Table 18.3 Rivalry and Exclusion Types of Goods
- 53. © 2007 Pearson Addison-Wesley. All rights reserved. Markets for public goods exist only if nonpurchasers can
- 54. © 2007 Pearson Addison-Wesley. All rights reserved. Demand for Public Goods Because a public good lacks
- 55. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.5 Inadequate Provision of a Public Good Security
- 56. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.5 Inadequate Provision of a Public Good Thus
- 57. © 2007 Pearson Addison-Wesley. All rights reserved. Figure 18.5 Inadequate Provision of a Public Good Guards
- 58. © 2007 Pearson Addison-Wesley. All rights reserved. Free Riding Many people are unwilling to pay for
- 59. © 2007 Pearson Addison-Wesley. All rights reserved. Table 18.4 Private Payments for a Public Good
- 60. © 2007 Pearson Addison-Wesley. All rights reserved. Free Riding In each of these games, the Nash
- 61. © 2007 Pearson Addison-Wesley. All rights reserved. Reducing Free Riding Governmental or other collective actions can
- 62. © 2007 Pearson Addison-Wesley. All rights reserved. Valuing Public Goods To ensure that a nonexclusive public
- 63. © 2007 Pearson Addison-Wesley. All rights reserved. Table 18.5 Voting on $300 Traffic Signals
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