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A Simple Business-cycle Model with Schumpeterian Features

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  • Luís Costa
  • Huw Dixon

Abstract

We develop a dynamic general equilibrium model of imperfect competition where a sunk cost of creating a new product regulates the type of entry that dominates in the economy: new products or more competition in existing industries. Considering the process of product innovation is irreversible, introduces hysteresis in the business cycle. Expansionary shocks may lead the economy to a new ‘prosperity plateau,’ but contractionary shocks only affect the market power of mature industries.

Suggested Citation

  • Luís Costa & Huw Dixon, 2005. "A Simple Business-cycle Model with Schumpeterian Features," Working Papers Department of Economics 2005/16, ISEG - Lisbon School of Economics and Management, Department of Economics, Universidade de Lisboa.
  • Handle: RePEc:ise:isegwp:wp162005
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    References listed on IDEAS

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    1. Gali Jordi, 1994. "Monopolistic Competition, Business Cycles, and the Composition of Aggregate Demand," Journal of Economic Theory, Elsevier, vol. 63(1), pages 73-96, June.
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    5. Luís F. Costa, 2004. "Endogenous Markups and Fiscal Policy," Manchester School, University of Manchester, vol. 72(s1), pages 55-71, September.
    6. Dos Santos Ferreira, Rodolphe & Lloyd-Braga, Teresa, 2005. "Non-linear endogenous fluctuations with free entry and variable markups," Journal of Economic Dynamics and Control, Elsevier, vol. 29(5), pages 847-871, May.
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    10. Luís Costa, 2001. "Can Fiscal Policy Improve Welfare in a Small Dependent Economy with Feedback Effects?," Manchester School, University of Manchester, vol. 69(4), pages 418-439, September.
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    15. Philippe Aghion & Richard Blundell & Rachel Griffith & Peter Howitt & Susanne Prantl, 2004. "Entry and Productivity Growth: Evidence from Microlevel Panel Data," Journal of the European Economic Association, MIT Press, vol. 2(2-3), pages 265-276, 04/05.
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    17. Rotemberg, Julio J. & Woodford, Michael, 1999. "The cyclical behavior of prices and costs," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 16, pages 1051-1135, Elsevier.
    18. Bipasa Datta & Huw Dixon, 2002. "Technological Change, Entry, and Stock-Market Dynamics: An Analysis of Transition in a Monopolistic Industry," American Economic Review, American Economic Association, vol. 92(2), pages 231-235, May.
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    20. Richard Startz, 1989. "Monopolistic Competition as a Foundation for Keynesian Macroeconomic Models," The Quarterly Journal of Economics, Oxford University Press, vol. 104(4), pages 737-752.
    21. Joaquim Oliveira Martins & Stefano Scarpetta, 2003. "Estimation of the Cyclical Behaviour of Mark-ups: A Technical Note," OECD Economic Studies, OECD Publishing, vol. 2002(1), pages 173-188.
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    Cited by:

    1. Brito, Paulo B. & Costa, Luís F. & Dixon, Huw, 2013. "Non-smooth dynamics and multiple equilibria in a Cournot–Ramsey model with endogenous markups," Journal of Economic Dynamics and Control, Elsevier, vol. 37(11), pages 2287-2306.
    2. Luís Costa, 2006. "Entry and fiscal policy effectiveness in a small open economy within a Monetary Union," Portuguese Economic Journal, Springer;Instituto Superior de Economia e Gestao, vol. 5(1), pages 45-65, May.
    3. Luís F. Costa & Huw Dixon, 2009. "Fiscal Policy under Imperfect Competition: A Survey," Working Papers Department of Economics 2009/25, ISEG - Lisbon School of Economics and Management, Department of Economics, Universidade de Lisboa.

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    More about this item

    Keywords

    Entry; Hysteresis; Mark-up.;
    All these keywords.

    JEL classification:

    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L16 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Industrial Organization and Macroeconomics; Macroeconomic Industrial Structure

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