A longstanding puzzle of empirical economics is that average labor productivity de­clines during recessions and increases during booms. This paper provides a framework to assess the empirical importance of competing hypotheses for explaining the observed pro­cyclicality. For each competing...

A longstanding puzzle of empirical economics is that average labor productivity de­clines during recessions and increases during booms. This paper provides a framework to assess the empirical importance of competing hypotheses for explaining the observed pro­cyclicality. For each competing...