By assuming Cobb-Douglas production technology, many well-known imperfectly competitive macroeconomic models of the labour market (e.g. Layard, Nickell and Jackman, 1991) imply that equilibrium unemployment is independent of the capital stock. This paper introduces a new notion of capacity into...

This paper analyses a new-Keynesian model incorporating hysteresis in output. Specifically, we assume that the natural rate of output sluggishly adjusts towards current output. We also assume that the natural rate has an upper bound and that, in addition to having standard objectives, the...

In countries with credible inflation targeting, it seems plausible to suggest that instead of forming a rational expectation, some firms (inflation-targeters) might simply expect future inflation to always equal its target. This paper analyses the implications of this for optimal monetary policy...