This paper develops a model of policy regime uncertainty and its consequences for stabilizing expectations. Because of learning dynamics, uncertainty about monetary and fiscal policy is shown to restrict, relative to a rational expectations analysis, the set of policies consistent with...

This paper documents the opaqueness of central banks about the economic models they use to choose policy but argues that this is largely due to the lack of consensus about the correct model of the economy within the economic profession. The latter is illustrated by contrasting three currently...

A two-country sticky-price model is used to analyse the interactions between fiscal and monetary policy. The role of an 'activist' fiscal policy as a stabilisation tool is considered and a measure of the welfare gains from international fiscal policy cooperation is derived. It is found that...

We consider the interaction between the monetary policy of a common central bank in a monetary union, and the separate fiscal policies of the member countries. We construct a model of the Barro-Gordon type extended to many countries and countercyclical fiscal stabilization policies. Each...