This paper studies exchange rate behavior in models with moving long-run equilibria incorporating alternative price-adjustment mechanisms.The paper demonstrates that price-adjustment rules proposed by Mussa andby Barro and Grossman yield models that are empirically indistinguishable from each other. For speeds of goods-market adjustment that are "too fast," the Barro-Grossman rule appears to induce instability; but we argue that when the ruleis interpreted properly, models incorporating it are dynamically stable regardless of the speed at which disequilibriumis eliminated. The Barro-Grossman pricing scheme is shown to be a natural generalization, to a setting of moving long-run equilibria, of less versatile schemes proposed in earlier literature on exchange rate dynamics.
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number
1173.
Length: Date of creation: Dec 1984 Date of revision: Handle: RePEc:nbr:nberwo:1173
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Maurice Obstfeld & Alan C. Stockman, 1985.
"Exchange-Rate Dynamics,"
NBER Working Papers
1230, National Bureau of Economic Research, Inc.
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Other versions:
Obstfeld, Maurice & Stockman, Alan C., 1985.
"Exchange-rate dynamics,"
Handbook of International Economics,
in: R. W. Jones & P. B. Kenen (ed.), Handbook of International Economics, edition 1, volume 2, chapter 18, pages 917-977
Elsevier.
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