Transcription of Externalities: Problems and Solutions
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Externalities: Problems and Solutions
externalities : Problems and Solutions131 Undergraduate Public EconomicsEmmanuel SaezUC Berkeley1 OUTLINEC hapter Externality Private-Sector Solutions to Negative Public-Sector Remedies for Distinctions Between Price and Quantity Approaches toAddressing Conclusion2 externalities : Problems AND SOLUTIONSM arket failure: A problem that violates one of the assump-tions of the 1st welfare theorem and causes the market econ-omy to deliver an outcome that does not maximize efficiencyExternality: externalities arise whenever the actions of oneeconomic agent make another economic agent worse or betteroff, yet the first agent neither bears the costs nor receives thebenefits of doing so:Example: a steel plant that pollutes a river used for recreationExternalities are one example of market failure3 EXTERNALITY THEORY: ECONOMIC
The Environmental Protection Agency (EPA) was formed in 1970 to provide public-sector solutions to the problems of ex-ternalities in the environment. Public policy makers employ two types of remedies to resolve the problems associated with negative externalities: 1) price policy: corrective tax or subsidy equal to marginal damage per unit
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