The Impact of Trade on Labor Market Dynamics
41 Pages Posted: 11 May 2015 Last revised: 16 Apr 2021
Date Written: May 2015
We develop a dynamic labor search model where production and consumption take place in spatially distinct labor markets with varying exposure to domestic and international trade. The model recognizes the role of labor mobility frictions, goods mobility frictions, geographic factors, and input-output linkages in determining equilibrium allocations. We show how to solve the equilibrium of the model without estimating productivities, reallocation frictions, or trade frictions, which are usually difficult to identify. We use the model to study the dynamic labor market outcomes of aggregate trade shocks. We calibrate the model to 38 countries, 50 U.S. states and 22 sectors and use the rise in China's import competition to quantify the aggregate and disaggregate employment and welfare effects on the U.S. economy. We find that China's import competition growth resulted in 0.6 percentage point reduction in the share of manufacturing employment, approximately 1 million jobs lost, or about 60% of the change in the manufacturing employment share not explained by a secular trend. Overall, China's shock increases U.S. welfare by 6.7% in the long-run and by 0.2% in the short-run with very heterogeneous effects across labor markets.
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