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Competing process and quality innovation in a model of occupational choice

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  • Colin Davis

    ()
    (Kobe University, Graduate School of Economics)

  • Yasunobu Tomoda

    ()
    (Kyoto University, Institute of Economic Research)

Abstract

We develop a simple model of endogenous growth and occupational choice in which skill differentiated workers choose between three types of employment activity: production, process innovation,and quality innovation. Incumbent firms invest in process innovation to reduce production costs and market entrants invest in quality improvements in order to capture the market from vintage product lines. We use this framework to examine innovation incentives for incumbent firms in an environment of creative destruction and find that there are two plausible and stable patterns of product evolution: a corner equilibrium with quality growth alone, and an interior equilibrium with both productivity growth and quality growth. We also show that the process innovation of an interior equilibrium has important policy implications for economic growth.

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File URL: http://www.econ.kobe-u.ac.jp/RePEc/koe/wpaper/2009/0915.pdf
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Bibliographic Info

Paper provided by Graduate School of Economics, Kobe University in its series Discussion Papers with number 0915.

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Length: 18pages
Date of creation: Nov 2009
Date of revision:
Handle: RePEc:koe:wpaper:0915

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Web page: http://www.econ.kobe-u.ac.jp
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Keywords: Process innovation; Quality innovation; Endogenous growth; Occupational choice;

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  1. Pietro Peretto & Sjak Smulders, 2002. "Technological Distance, Growth And Scale Effects," Economic Journal, Royal Economic Society, vol. 112(481), pages 603-624, July.
  2. Grossman, G.M. & Helpman, E., 1989. "Quality Ledders In The Theory Of Growth," Papers 148, Princeton, Woodrow Wilson School - Public and International Affairs.
  3. Peretto, Pietro F., 1995. "Sunk Costs, Market Structure, and Growth," Working Papers 95-34, Duke University, Department of Economics.
  4. Bottazzi, Laura & Peri, Giovanni, 2003. "Innovation and spillovers in regions: Evidence from European patent data," European Economic Review, Elsevier, vol. 47(4), pages 687-710, August.
  5. Alwyn Young, 1998. "Growth without Scale Effects," Journal of Political Economy, University of Chicago Press, vol. 106(1), pages 41-63, February.
  6. Yeaple, Stephen Ross, 2005. "A simple model of firm heterogeneity, international trade, and wages," Journal of International Economics, Elsevier, vol. 65(1), pages 1-20, January.
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