The money demand curve is downward sloping because as the value of money falls people desire to hold a larger quantity of money

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

Refer to the diagram. If labor is the only variable input, the marginal product of labor is at a:

A. maximum at point a.
B. minimum at point a.
C. maximum at point b.
D. minimum at point b.