In a new Keynesian model with random search in the labor market, endogenous selection among heterogeneous workers amplifies fluctuations in unemployment and results in excess unemployment volatility relative to the efficient allocation. Recessions disproportionately affect lowproductivity...

In this paper, we derive a linear-quadratic model for monetary policy analysis that is consistent with sticky prices and search and matching frictions in the labor market. We show that the second-order approximation to the welfare of the representative agent depends on inflation and "gaps" that...

In a new Keynesian model with random search in the labor market, endogenous selection among heterogeneous workers amplifies fluctuations in unemployment and results in excess unemployment volatility relative to the efficient allocation. Recessions disproportionately affect lowproductivity...