In this paper we rethink the NAIRU concept and examine whether it might have a useful role in monetary policy. We argue that it can, but success depends critically on defining NAIRU as a short-run concept and distinguishing it from a long-run concept like the natural rate of unemployment. We...

The 'credit channel' theory of monetary policy transmission holds that informational frictions in credit markets worsen during tight- money periods. The resulting increase in the external finance premium--the difference in cost between internal and external funds-- enhances the effects of...

Recent theorizing with business cycle models which incorporate features of the Friedman-Phelps natural rate model along with rational expectations lead to the following policy conclusions. Anticipated changes in aggregate demand policy will have already been taken into account in economic agents...

We examine the potential policy role of monetary aggregates by attempting to use them as effectively as possible in the analysis of empirical relationships. We consider three possible roles: as information variables, as indicators of policy actions and as instruments in a policy rule. These...