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Abstract for:

Trade, Wages and Productivity

Kristian  Behrens,  Giordano  Mion,  Yasusada  Murata,  Jens  Südekum,  October 2009
Paper No' SERCDP0029: | Full paper (pdf)
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Keywords: firm heterogeneity; monopolistic competition, general equilibrium, endogenous markups, gravity equation system, counterfactual analysis

JEL Classification: F12; F15; F17

Is hard copy/paper copy available? YES - Paper Copy Still In Print.
This Paper is published under the following series: SERC Discussion Papers
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We develop a new general equilibrium model of monopolistic competition with heterogeneous firms, variable demand elasticity and multiple asymmetric regions, in which trade integration induces wage and productivity changes. Using Canada-US interregional trade data, we structurally estimate a theory-based gravity equation system featuring endogenous wages and productivity. Given the estimated parameter values, we first decompose “border effects” into a “pure” border effect, relative and absolute wage effects, and a selection effect. We then quantify the impacts of removing the trade distortions generated by the Canada-US border on regional market aggregates such as wages, productivity, markups, the mass of varieties produced and consumed, as well as welfare. Last, we extend the counterfactual analysis to the firm level by generating productivity distributions and their changes via simulation.