Refer to Figure 918. Suppose Isoland changes from a notrade policy to a policy that
allows international trade. If the world price of peaches is $5, then the policy change
results in a
a. $25 decrease in consumer surplus.
b. $20 increase in consumer surplus.
c. $25 decrease in producer surplus.
d. $20 increase in producer surplus.
Which of the following sets of events must cause an increase in the price of a new
house?
a. higher wages for carpenters, higher wood prices, increases in consumer incomes,
higher apartment rents, increases in population, and expectations of higher house prices
in the future
b. lower wages for carpenters, lower wood prices, increases in consumer incomes,
higher apartment rents, increases in population and expectations of higher house prices
in the future
c. lower wages for carpenters, higher wood prices, decreases in consumer incomes,
higher apartment rents, decreases in population and expectations of higher house prices
in the future
d. higher wages for carpenters, lower wood prices, decreases in consumer incomes,
lower apartment rents, decreases in population and expectations of lower house prices
in the future