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The Capital Stock and Equilibrium Unemployment: A New Theoretical Perspective

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  • Sujit Kapadia

    (Balliol College, Oxford University)

Abstract

By assuming Cobb-Douglas production technology, many well-known imperfectly competitive macroeconomic models of the labour market (e.g. Layard, Nickell and Jackman, 1991) imply that equilibrium unemployment is independent of the capital stock. This paper introduces a new notion of capacity into the standard framework. Specifically, we adapt the Cobb-Douglas production function so that when the capital-labour ratio drops below a certain threshold, the returns to labour fall while the returns to capital increase. Using this assumption, we show that equilibrium unemployment depends on the capital stock over a certain range. We also briefly discuss the generalisation for an endogenous capital stock.
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Suggested Citation

  • Sujit Kapadia, 2004. "The Capital Stock and Equilibrium Unemployment: A New Theoretical Perspective," Money Macro and Finance (MMF) Research Group Conference 2004 88, Money Macro and Finance Research Group.
  • Handle: RePEc:mmf:mmfc04:88
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    References listed on IDEAS

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    Cited by:

    1. Marika Karanassou & Hector Sala & Dennis Snower, 2007. "The macroeconomics of the labor market: three fundamental views," Portuguese Economic Journal, Springer;Instituto Superior de Economia e Gestao, vol. 6(3), pages 151-180, December.
    2. Marika Karanassou & Hector Sala & Pablo F. Salvador, 2008. "Capital accumulation and unemployment: new insights on the Nordic experience," Cambridge Journal of Economics, Oxford University Press, vol. 32(6), pages 977-1001, November.
    3. Roberto Bande Ramudo & Manuel Fernández Grela & Mª Dolores Riveiro García, 2011. "Consumption, Saving, Investment, and Unemployment. SVAR Tests of the Effects of Changes in the Consumption-Saving Pattern," Documentos de trabajo - Analise Economica 0045, IDEGA - Instituto Universitario de Estudios e Desenvolvemento de Galicia.
    4. Marika Karanassou & Hector Sala, 2010. "Labour Market Dynamics in Australia: What Drives Unemployment?," The Economic Record, The Economic Society of Australia, vol. 86(273), pages 185-209, June.
    5. Roberto Bande & Marika Karanassou, 2014. "Spanish Regional Unemployment Revisited: The Role of Capital Accumulation," Regional Studies, Taylor & Francis Journals, vol. 48(11), pages 1863-1883, November.
    6. Roberto Bande & Dolores Riveiro, 2012. "The Consumption-Investment-Unemployment Relationship in Spain: An Analysis with Regional Data," Documentos de trabajo - IRENe 0003, IDEGA - Instituto Universitario de Estudios e Desenvolvemento de Galicia.
    7. Sujit Kapadia, 2005. "Optimal Monetary Policy under Hysteresis," Economics Series Working Papers 250, University of Oxford, Department of Economics.

    More about this item

    JEL classification:

    • E22 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Investment; Capital; Intangible Capital; Capacity
    • E23 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Production
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E25 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Aggregate Factor Income Distribution
    • J64 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Unemployment: Models, Duration, Incidence, and Job Search

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