Many labor market models use both idiosyncratic productivity and a vacancy free entry condition. This paper shows that these two features combined generate an equilibrium comovement between matches on the one hand and unemployment and vacancies on...

The construction bust which accompanied the Great Recession, and the accompanying need to shift workers across sectors, have provoked a discussion about mismatch and the Beveridge Curve, alongside a discussion about firm-level dispersion. These...

The labor market in Germany is more sclerotic and volatile than in the US. We show theoretically that sclerosis and large volatilities are two sides of the same coin. Both may be driven by large hiring costs and low quit rates.