Models designed to predict short-run exchange rate fluctuations are more accurate than models designed to predict long-run trends.
举一反三
- 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.
- The supply of lettuce in the short run will be ________ than the supply in the long run and ________ than the supply today. A: more elastic; less elastic B: more elastic; more elastic C: less elastic; more elastic D: less elastic; less elastic
- "Diseconomies of scale" occur in ( ) A: the long run, but not the short run. B: the short run, but not the long run. C: both the short run and the long run. D: neither the short run nor the long run.
- Which of the following is a FALSE statement? A: the very long run focuses on the growth of productive capacity B: in the very long run, the productive capacity is assumed to be given C: in the very short run, shifts in aggregate demand determine how much output is produced D: fluctuations in the rates of inflation and unemployment are important long-run issues E: at the full-employment level of output, capital is not used 100 percent
- Which of the following is accurate? A: Monetary policy is neutral in both the short run and the long run. B: Though monetary policy is neutral in the long run, it may have effects on real variables in the short run. C: Monetary policy has profound effects on real variables in both the short run and the long run. D: Monetary policy has profound effects on real variables in the long run, but is neutral in the short run.