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Globalization, product differentiation and wage inequality

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  • Paulo Bastos
  • Odd Rune Straume

Abstract

This paper develops a two-country, general equilibrium model of oligopoly in which the degree of horizontal product differentiation is endogenously determined by firms' strategic investments in product innovation. Consumers seek variety and product innovation is more skill intensive than production. Greater import competition increases innovation incentives, and thereby the relative demand for skill. An intraindustry trade expansion following trade liberalization can therefore increase wage inequality between skilled and unskilled workers. In addition, since product differentiation is resource consuming, freer trade entails a potential trade-off between production and variety. The import competition effect highlighted by the model, which plays a key role in determining the general equilibrium, is supported by panel data on Chilean manufacturing plants.

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Bibliographic Info

Paper provided by University of Nottingham, GEP in its series Discussion Papers with number 10/03.

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Handle: RePEc:not:notgep:10/03

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Keywords: Trade liberalization; Product differentiation; Innovation; Wage Inequality; General Oligopolistic Equilibrium.;

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Citations

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Cited by:
  1. Dutta, Meghna & Kar, Saibal & Marjit, Sugata, 2013. "Product variety, finite changes and wage inequality," Economic Modelling, Elsevier, vol. 35(C), pages 610-613.
  2. Kreickemeier, Udo & Meland, Frode, 2011. "International Trade, Union Wage Premia,and Welfare in General Equilibrium," Working Papers in Economics 04/11, University of Bergen, Department of Economics.
  3. Atif, Syed Muhammad, 2012. "Critical Review of 'A Simple Model of Firm Heterogeneity, International Trade and Wages'," MPRA Paper 42334, University Library of Munich, Germany.
  4. Colacicco, Rudy, 2012. "The "Average" Within-Sector Firm Heterogeneity in General Oligopolistic Equilibrium," MPRA Paper 40212, University Library of Munich, Germany.
  5. Colacicco, Rudy, 2012. "Strategic Trade Policy in General Oligopolistic Equilibrium," MPRA Paper 38118, University Library of Munich, Germany.

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