Monetary policy affects employment A: only in the long run. B: only in the short run. C: in both the long run and the short run. D: in neither the long run nor the short run.

Most economists believe that classical theory describes the world in the short run but not in the long run

Which of the following statements is the most accurate? In general,_____________ A: the monetary approach to the exchange rate is a long run theory. B: the monetary approach to the exchange rate is a short run theory. C: the monetary approach to the exchange rate is both a short and long run theory. D: the monetary approach to the exchange rate neither long run nor short run theory. E: the monetary approach to the exchange rate is considered less practical than the law of one price.

When the economy is operating at potential GDP, an unannounced decrease in the rate of growth of the money supply intended to reduce inflation will most likely lead to. lower inflation and: A: a decrease in output in both the short run and the long run. B: no change in output in both the short run and the long run. C: a decrease in output in the short run, and lower inflation but no change in output in the long run.

Which one of the following statements is the MOST accurate? （ ) A: A depreciation of a country's currency makes its goods more expensive for foreigners. B: An appreciation of a country's currency makes its goods more expensive. C: A depreciation of a country's currency makes its goods cheaper for foreigners. D: A depreciation of a country's currency makes its goods cheaper.