Productivity and unemployment over the business cycle

Régis Barnichon

Journal of Monetary Economics, 2010, vol. 57, issue 8, 1013-1025

Abstract: The low correlation between cyclical unemployment and productivity over the post-war period hides a large sign switch in the mid-1980s: from significantly negative the correlation became significantly positive. Using a search model of unemployment with nominal rigidities and variable labor effort, I show that technology shocks can generate a positive unemployment-productivity correlation whereas non-technology shocks (i.e. aggregate demand shocks) tend to do the opposite. In this context, I identify two events that can quantitatively explain the increase in the correlation: (i) a sharp drop in the volatility of non-technology shocks in the mid-1980s, and (ii) a decline in the response of productivity to non-technology shocks, which from procyclical became acyclical in the last 25 years.

Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:eee:moneco:v:57:y:2010:i:8:p:1013-1025

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