The Reaction Functions of the German, French and English Monetary Authorities Virginie Coudert, Sanvi-Avouyi Dovi, Michel Boutillier, Richard Topol In the achievement of economic policy objectives, one of the key instruments of the national monetary authorities is the setting of the rate of interest in the money market. The behaviour of the authorities can be described by means of reaction functions, and estimates are provided in this article for the Federal Republic of Germany, France and the United Kingdom. The results indicate that the role accorded to monetary policy has been different in the various countries : in France priority is given to the external constraint ; in Germany to fighting inflation and minimising fluctuations in the m...