We develop a dynamic general equilibrium model where workers can engage in search while on the job. We show that on-the-job search is a key component in explaining labor market dynamics in models of equilibrium unemployment. The model predicts fluctuations of unemployment, vacancies, and labor...

We analyze the trade-offs faced by a monetary policy authority when a value added tax rate is increased. In the short run, such an increase acts as a cost push shock from the perspective of a central bank that is concerned with stabilizing the welfare relevant output gap. We develop a New...

This paper re-considers the empirical relevance of the Lucas critique using a sticky price model in which a weak central bank response to inflation generates equilibrium indeterminacy. The model is calibrated on the magnitude of the historical shift in the Fed's policy rule and is capable of...