Expectations,exchange rates and monetary theory: The case of German hyperinflation

This paper tests some of the structural coefficient restrictions on goods-price equations and foreign exchange-rate equations implied by the monetary theory of exchange rates. The data are from the German hyperinflation (1922–1923). The results of the tests broadly support the monetary theory of exchange rates and they also support the hypothesis that the foreign exchange market was efficient during this period. However, the much higher residual volatility in foreign exchange prices is not explained by the monetary theory.