1. From base price levels of 100 in 1987, West German and U.S. price levels in 1988 stood at 102 and 106, respectively. If the 1987 $/DM exchange rate was $0.54, what should the exchange rate be in 1988? In fact, the exchange rate in 1988 was DM 1 = $0.56. What might account for the discrepancy? (Price levels were measured using the consumer price index.)
ANSWER. If e1981 is the dollar value of the German mark in 1988, then according to purchasing power parity e1988/.54 = 106/102 or e1988 = $.5612. The discrepancy between ...
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