18) Which of the following descriptions best depicts the substitution effect?
a.the change in consumption resulting from a change in the consumer’s income, holding
the prices of the goods constant
b.the change in consumption resulting from a change in the consumer’s income, holding
the consumer’s level of satisfaction constant
c.the change in consumption resulting from a change in the price of one good, holding
the consumer’s level of satisfaction constant
d.the change in consumption resulting from a change in the price of one good, allowing
the consumer’s level of satisfaction to change
19) The deadweight loss of a tax is
a.the reduction in economic welfare of taxpayers that exceeds the revenue raised by the
government.
b.the improved efficiency created as people reallocate resources according to the tax
incentive rather than the true costs and benefits.
c.the loss in tax revenues.
d.Both a and b are correct.
20) Consider the market for university economics professors. Suppose the opportunity
cost of going to graduate school to get a Ph.D. in economics increases for many
individuals. Suppose it generally takes about five years to get a Ph.D. in economics.
Holding all else constant, in five years the equilibrium quantity of university economics
professors will
a.increase.
b.decrease.
c.not change.
d.It is not possible to determine what will happen to the equilibrium quantity.