This paper replies to Ahking’s (1990) re-examination of Taylor and McMahon’s (1988) analysis of long-run purchasing power parity in the 1920s. We demonstrate that Ahking’s conclusions are only partially correct and reestablish our conclusion that, a form of long-run purchasing-power parity...

We propose a stylized exchange rate model based on diversity and weight ofopinion. Our model departs from standard assumptions in that we allow forheterogeneous agents. We show that such a model can explain both the observedvolatility and the persistence of real and nominal exchange rate...