The Herfindahl-Hirschman Index measures market concentration in an industry by summing the square of the percentage market shares for
A) the 4 largest firms.
B) the 50 smallest firms.
C) the 4 smallest firms.
D) the 50 largest firms.
E) all firms in the market.
D
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The baby boomers born in the 1940s and 1950s began entering the work force in the 1960s and 1970s
This demographic event ________ the natural unemployment rate, thereby shifting the short-run Phillips curve ________ and shifting the long-run Phillips curve ________. A) increased; rightward; leftward B) decreased; rightward; rightward C) increased; rightward; rightward D) decreased; leftward; leftward E) increased; leftward; rightward
Under fixed exchange rates
A) monetary policy is not an effective policy. B) fiscal policy is not an effective policy. C) monetary policy and fiscal policy are not effective. D) both monetary and fiscal policies are effective. E) monetary policy has an unpredictable effect on the domestic money supply.
Suppose you observe that with a given supply curve, the Peruvian demand for Argentinean pesos steadily decreases. This will most likely mean:
a. the supply of Peruvian nuevos soles has increased on the foreign exchange market. b. the Argentinean peso will appreciate in value relative to the Peruvian nuevo sol. c. the Argentinean peso will depreciate in value relative to the Peruvian nuevo sol. d. the Peruvian demand for Argentinean goods has increased. e. the supply of Argentinean pesos has increased on the foreign exchange market.
If the government wishes to encourage firms to internalize externalities, they should ________ activities resulting in negative externalities and ________ activities resulting in positive externalities
A. place an injunction against; tax B. tax; subsidize C. subsidize; tax D. ban; generate