oats per year, and a worker in Oatland can grow either 5 bushels of corn or 50 bushels
of oats per year. There are 20 workers in Cornland and 20 workers in Oatland. If the
two countries do not trade, Cornland will produce and consume 400 bushels of corn and
100 bushels of oats, while Oatland will produce and consume 60 bushels of corn and
400 bushels of oats. If each country made the decision to specialize in producing the
good in which it has a comparative advantage, then the combined yearly output of the
two countries would increase by
a. 280 bushels of corn and 450 bushels of oats.
b. 340 bushels of corn and 500 bushels of oats.
c. 360 bushels of corn and 520 bushels of oats.
d. 360 bushels of corn and 640 bushels of oats.
Which of the following would tend to shift the supply of dollars in the market for
foreign-currency exchange in the open-economy macroeconomic model to the right?
a. the exchange rate rises
b. the exchange rate falls
c. the expected rate of return on U.S. assets rises
d. the expected rate of return on U.S. assets falls