NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

The Dollar and Real Interest Rates

John Y. Campbell, Richard H. Clarida

NBER Working Paper No. 2151 (Also Reprint No. r1045)
Issued in February 1987
NBER Program(s):   ME   ITI   IFM

In this paper, we investigate the link between the real foreign exchange value of the dollar and real interest rates since 1979. We argue that it is important to consider the possibility that real exchange rate movements reflect movements of the long-run equilibrium exchange rate as well as real interest differentials. We use a state-space approach to estimate the importance of shifts in the long-run equilibrium exchange rate, the persistence of the ex ante short-term real interest differential, and the effect of this differential on the exchange rate. Using U.S., Canadian, British, German and Japanese data from October 1979 to March 1986, we find that movements in the dollar real exchange rate have been dominated by unanticipated shifts in the expected long-run real exchange rate. Ex ante real interest differentials have not been persistent or variable enough to account for a major part of exchange rate variation. We use Mussa's (1984) rational expectations model of the real exchange rate and the current account to interpret our results.

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Document Object Identifier (DOI): 10.3386/w2151

Published: Campbell, John Y. and Richard M. Clarida. "The Dollar and Real Interest Rates," Carnegie-Rochester Conference Series on Public Policy, Vol. 27, August 1987. citation courtesy of

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