Which of the following quantities decrease in response to a tax on a good?
a. the equilibrium quantity in the market for the good, the effective price of the good
paid by buyers, and consumer surplus
b. the equilibrium quantity in the market for the good, producer surplus, and the
well-being of buyers of the good
c. the effective price received by sellers of the good, the wedge between the effective
price paid by buyers and the effective price received by sellers, and consumer surplus
d. None of the above is necessarily correct unless we know whether the tax is levied on
buyers or on sellers.
With respect to the consumer price index, the substitution bias arises because
a. prices of goods and services do not change in the same proportion from year to year.
b. consumers are slow to adjust their buying patterns from year to year in response to
price changes.
c. consumers are eager to buy new products as they are introduced, despite their lack of
full information about the quality of those products until they buy and use them.
d. All of the above are correct.