Income rises after a charity gives poor families free livestock. The harvest that year was also particularly bountiful. The charity should take full credit for the observed increase in the standard of living

Refer to Figure 1A.1. If the hours worked per week are 30, the income per week is

A) 50. B) 100. C) 150. D) 200.

Everything else being the same, if the interest rate in the United States increases, then in the foreign exchange market the

A) demand for U.S. dollars will remain unchanged. B) demand for U.S. dollars will increase. C) demand for U.S. dollars will decrease. D) supply of U.S. dollars will increase.