Persistent Trade Effects of Large Exchage Rate Shocks
36 Pages Posted: 10 Jul 2007 Last revised: 11 Jul 2010
Date Written: September 1986
This paper presents a theoretical basis fcr the srgunent that large exchange rate shocks - such as the rise of the dollar from 1980 to 1985 - may shift historical relationships between exchange rates and trade flows. We begin with partial models in which large exchange rate fluctuations lead to entry or exit decisions that are not reversed when the currency returns to its previous level. When we develop a simple model of the feedback from "hysteresis" in trade to the exchange rate itself. Here we see that a large capital inflow, which leads to an initial appreciation, can result in a persistent reduction in the exchange rate consistent with trade balance.
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