Lecture 12 - Externalities, .Environmental Policy, and Public Goods Flashcards
Externality
A benefit or cost that affects someone who is not directly involved in the production or consumption of a good or service
Negative Externality
arise because of a divergence between private costs and social costs
Social Costs
the total cost to society of producing a good or service, which includes private cost and any external costs
Positive Externality
Arise because of a divergence between private benefits and social benefits
Social benefit
the total benefit to society of producing a good or service, which includes both private benefit and any external benefit
Supply curve is also known as the
marginal cost curve
Demand curve is also known as the
marginal benefit curve
Example of a negative externality
pollution
Example of a positive externality
education
True or False: provided the existence of an externality, competitive equilibrium will not result in an efficient level of output
True
Negative externalities imply there is
overproduction
Positive externalities imply there is
underproduction
Market Failure
a situation in which the competitive market fails to produce the efficient level of output
Property Rights
a bundle of rights that give economic agents the exclusive right to use, exclude, and dispose of something
Transaction costs
the costs of using the market mechanism, which relate to search, negotiation, and enforcement of contracts
Externalities arise because of (1)
incomplete property rights, or difficulty of enforcing property rights in certain situations, like high transaction-cost settings
Who wrote “The Economics of Welfare”?
Arthur Pigou
Why does Pigou say externalities arise?
in an unregulated market because the economic agents who cause external harms or benefits do not pay for them. Thus, external harms or benefits are not accounted for in the market price