If U.S. consumers increase their demand for foreign products and foreign travel, the U.S. dollar would tend to depreciate as more dollars are supplied to foreign exchange markets

Assume that a house is rented by four students. When it comes to keeping the house clean, each of the four roommates has an incentive to leave cleaning to the others. As a result, the house is never clean

Which of the following is the best solution to this problem of free riding? A) Assign one roommate the responsibility to keep a watch over the other students B) Require every roommate to contribute to a cleaning service C) Ask every roommate to clean the house if they dirty it D) Require each roommate to pay more toward the house rent and groceries

Xenonia and Baltonia are two neighboring countries. Xenonia can either produce 300 pounds of rice or 100 bushels of corn in a year while Baltonia can either produce 500 pounds of rice or 200 bushels of corn

Can mutually profitable trade take place between the two countries? Explain your answer.