Chapter 4: Market Failure: Public Goods and Externalities Flashcards
What two categories do market failures in competitive markets fall into?
demand side and supply side market failures
When does a demand-side market failure happen?
when demand curves do not reflect consumer’s full willingness to pay for a good or service
When do supply-side market failures occur?
when supply curves do not reflect the full cost of producing a good or service
Why do demand-side market failures arise?
because it is impossible in certain cases to charge consumers what they are willing to pay for a product
Why do supply-side market failures arise?
they arise in situations in which a firm does not have to pay the full cost of producing its ouput
What is consumer surplus?
the benefit surplus received by a consumer or consumers in a market
When does allocative efficiency occur?
at the market equilibrium quantity where three conditions exist simultaneously: MB = MC, maximum willingness to pay = minimum
What is efficiency loss (or deadweight loss)
reductions of combined consumer and producer surplus
Why may markets fail to produce any public goods?
because its demand curve may reflect more of its consumers willingness to pay
What are private goods distinguished by?
rivalry and excludability
What is rivalry?
when one person buys and consumes a product it is not available for another person to buy and consumer
What does excludability mean?
that sellers can keep people who do not pay for a product from obtaining its benefits
What characteristics do public goods have?
those opposite of private goods
What does non rivalry mean?
that one person’s consumption of a good does not preclude consumption of the good by others
What does non excludability mean?
there Is no effective way of excluding individuals from the benefit of the good once it comes into existence