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The effect of market access on the labor market: Evidence from German reunification

  • Ulrich Zierahn


    (University of Kassel/ HWWI)

The New Economic Geography predicts a positive effect of market access on wages, as represented by the wage equation. Several studies provide empirical evidence in favor of the wage equation. However, a key problem is the endogeneity of market access: it is challenging to identify the causal effects of market access on wages, since market access itself depends on wages. Whereas most approaches rely on instrumental variables and strong assumptions on exogeneity, the present analysis relies on German reunification as an exogenous variation of market access in order to identify the effects. Since the market access shock due to reunfication was accompanied by a labor supply shock due to migrants and commuters from eastern Germany, the effects on wages, employment and unemployment are analyzed. The results provide evidence in favor of a labor demand shock due to the increase in market access and a labor supply shock due to migrants and commuters from eastern Germany.

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Paper provided by Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung) in its series MAGKS Papers on Economics with number 201239.

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Length: 44 pages
Date of creation: 2012
Date of revision:
Publication status: Forthcoming in
Handle: RePEc:mar:magkse:201239
Contact details of provider: Postal: Universitätsstraße 25, 35037 Marburg
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