G2TT
来源类型Discussion paper
规范类型论文
来源IDDP20
DP20 Rational Expectations and Exchange Rate Dynamics
Michael R. Wickens
发表日期1984-06-01
出版年1984
语种英语
摘要Dornbusch's overshooting model of the exchange rate has proved a very influential alternative to the monetary model. The original Dornbusch model was specified in continuous time and assumed perfect foresight. It also imposed the restriction of a sticky price level which does not respond instantaneously to new information. While convenient for analytic purposes, this particular model is less suitable for empirical analysis in which the data are aggregated over time and expectations are not formed perfectly. This paper presents a discrete time, rational expectations version of the Dornbusch model in which the price level is permitted to respond immediately, but not necessarily fully, to new information. The resulting dynamic behaviour of the exchange rate is analysed and interpreted. The conditions under which exchange rate overshooting occurs are derived and the effect of pre-announced policy changes are studied. Although the main purpose of the paper is expositional, an interesting feature of the results is that price stickyness is shown to be neither a necessary nor a sufficient condition for a change in monetary policy to bring about exchange rate overshooting.
主题International Macroeconomics
关键词Dornbusch's overshooting model Exchange rates dynamics
URLhttps://cepr.org/publications/dp20
来源智库Centre for Economic Policy Research (United Kingdom)
资源类型智库出版物
条目标识符http://119.78.100.153/handle/2XGU8XDN/529176
推荐引用方式
GB/T 7714
Michael R. Wickens. DP20 Rational Expectations and Exchange Rate Dynamics. 1984.
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