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Increasing Income Inequality: Productivity, Bargaining and Skill-Upgrading
by Anders Frederiksen, Odile Poulsen
(February 2010)
forthcoming in: Economic Inquiry. New title: Income Inequality: The Consequences of Skill-Upgrading When Firms Have Hierarchical Organizational Structures

In recent decades most developed countries have experienced an increase in income inequality. In this paper, we use an equilibrium search framework to shed additional light on what is causing an income distribution to change. The major benefit of the model is that it can accommodate shocks to the skill composition in the market, employee bargaining power and productivity. Further, when our model is subjected to skill-upgrading and changes in employee bargaining power, it is capable of predicting the recent changes observed in the Danish income distribution. In addition, the model emphasizes that shocks to the employees’ relative productivity, i.e., skill-biased technological change, are unlikely to have caused the increase in income inequality.
Text: See Discussion Paper No. 4791  


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