A situation in which a country does not take part in international trade is known as

Which of the following categories of federal spending is the largest in the United States?

A) interest on federal debt B) mandatory spending C) discretionary spending D) national defense

Suppose Susan can wash three windows per hour or she can iron six shirts per hour. Paul can wash two windows per hour or he can iron five shirts per hour

a. Susan has an absolute advantage over Paul in washing windows. b. Susan has a comparative advantage over Paul in washing windows. c. Paul has a comparative advantage over Susan in ironing shirts. d. All of the above are correct.