This paper develops a political economy model of multiple unemployment equilibria to provide a theory of an endogenous natural rate of unemployment. This model is applied to the UK and the US interwar period which is remembered as the decade of mass unemployment. The theory here sees the natural...

We develop a theoretical nonlinear model of equilibrium unemployment and test its policy implications for a number of OECD countries. The theory here sees the natural rate and the associated equilibrium path of unemployment as endogenous, pushed by the interaction of shocks (mainly...