If Americans decide to buy more South African diamonds, what is the effect in the foreign market?
a. It will increase demand for U.S. dollars.
b. It will decrease demand for U.S. dollars.
c. It will increase supply of U.S. dollars.
d. It will decrease supply of U.S. dollars.
c
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Paul runs a shop that sells printers. Paul is a perfect competitor and can sell each printer for a price of $300
The marginal cost of selling one printer a day is $200; the marginal cost of selling a second printer is $250; and the marginal cost of selling a third printer is $350. To maximize his profit, Paul should sell A) one printer a day. B) two printers a day. C) three printers a day. D) more than three printers a day.
Refer to Figure 13-1. Ceteris paribus, a decrease in the price level would be represented by a movement from
A) AD1 to AD2. B) AD2 to AD1. C) point A to point B. D) point B to point A.
One reason that monopolies often earn zero economic profits is that
a. many monopolies are regulated by the government b. competitors cut prices c. barriers to entry are low d. collusion prevents profits e. costly concessions to labor suppliers reduce economic profit
Which of the following would not shift the supply curve for mp3 players?
a. an increase in the price of mp3 players b. a decrease in the number of sellers of mp3 players c. an increase in the price of plastic, an input into the production of mp3 players d. an improvement in the technology used to produce mp3 players