This paper develops a Walrasian equilibrium theory of establishment dynamics and matching frictions and uses it to analyze business cycle fluctuations. Two scenarios are considered: one in which the matching process is subject to congestion externalities and another in which it is not. The paper...

This paper develops a Walrasian equilibrium theory of establishment dynamics and matching frictions and uses it to analyze business cycle fluctuations. Two scenarios are considered: one in which the matching process is subject to congestion externalities and another in which it is not. The paper...

This article introduces and analyzes a Walrasian model of worker flows, job flows, vacancies, and unemployment. Calibrating the model to U.S. data, the article finds that all variables comove with output quite well but that they fluctuate too little. However, the failure is not as bad as in...