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 uses highly detailed, quarterly data for five major industrialized economies to estimate the impact of macroeconomic fluctuations on import protection policies over 1988:Q1–2010:Q4. First, estimates on a pre-Great Recession sample of data provide evidence of two key relationships....