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Multiple Equilibria in a Growth Model with Monopolistic Competition


  • Gali, Jordi


The standard neoclassical growth model is modified by introducing a market structure characterized by monopolistic competition and variable demand elasticities. In equilibrium, the price elasticity of the demand schedule facing a typical firm is a function of the aggregate savings rate. The latter feature results from an assumed wedge between the elasticity of substitution across goods in productive activities and that in consumption. In contrast with most examples in the literature our model does not require increasing returns (internal or external) in order to generate multiple equilibria.

Suggested Citation

  • Gali, Jordi, 1996. "Multiple Equilibria in a Growth Model with Monopolistic Competition," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 8(2), pages 251-266, August.
  • Handle: RePEc:spr:joecth:v:8:y:1996:i:2:p:251-66

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    References listed on IDEAS

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    Cited by:

    1. Bernardo Guimaraes & Caio Machado & Marcel Ribeiro, 2016. "A Model of the Confidence Channel of Fiscal Policy," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 48(7), pages 1363-1395, October.
    2. Kuhry, Yves, 2001. "Endogenous fluctuations in a cournotian monopolistic competition model with free entry and market power variability," Research in Economics, Elsevier, vol. 55(4), pages 389-412, December.
    3. Yakita, Akira, 2004. "Elasticity of substitution in public capital formation and economic growth," Journal of Macroeconomics, Elsevier, vol. 26(3), pages 391-408, September.
    4. Fagnart, Jean-Francois & Pierrard, O. & Sneessens, Henri R., 2007. "Microeconomic uncertainty and macroeconomic indeterminacy," European Economic Review, Elsevier, vol. 51(6), pages 1564-1588, August.
    5. Greg Kaplan & Guido Menzio, 2016. "Shopping Externalities and Self-Fulfilling Unemployment Fluctuations," Journal of Political Economy, University of Chicago Press, vol. 124(3), pages 771-825.
    6. Charles-Henri DI MARIA, 2012. "Sustainability matters," LEO Working Papers / DR LEO 1515, Orleans Economics Laboratory / Laboratoire d'Economie d'Orleans (LEO), University of Orleans.
    7. Raurich, Xavier & Sala, Hector & Sorolla, Valeri, 2012. "Factor shares, the price markup, and the elasticity of substitution between capital and labor," Journal of Macroeconomics, Elsevier, vol. 34(1), pages 181-198.
    8. Horvath, Michael, 2000. "Sectoral shocks and aggregate fluctuations," Journal of Monetary Economics, Elsevier, vol. 45(1), pages 69-106, February.
    9. Wang, Peng-fei & Wen, Yi, 2011. "Volatility, growth, and welfare," Journal of Economic Dynamics and Control, Elsevier, vol. 35(10), pages 1696-1709, October.
    10. Kitagawa, Akiomi & Shibata, Akihisa, 2001. "Long gestation in an overlapping generations economy: endogenous cycles and indeterminacy of equilibria," Journal of Mathematical Economics, Elsevier, vol. 35(1), pages 99-127, February.
    11. Olivier SCAILLET, 2001. "Density Estimation Using Inverse and Reciprocal Inverse Guassian Kernels," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2001017, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
    12. Charles-Henri DiMaria, 2014. "Sustainability matters," Quality & Quantity: International Journal of Methodology, Springer, vol. 48(3), pages 1257-1269, May.
    13. Wang, Pengfei & Wen, Yi, 2008. "Imperfect competition and indeterminacy of aggregate output," Journal of Economic Theory, Elsevier, vol. 143(1), pages 519-540, November.
    14. José Ramón García & Valeri Sorolla, 2014. "Monopolistic Competition and Different Wage Setting Systems," Scottish Journal of Political Economy, Scottish Economic Society, vol. 61(1), pages 48-77, February.
    15. Pedro Gomis-Porqueras & Solmaz Moslehi & Vivianne Vilar, 2013. "The Fiscal Theory of the Price Level When All Income is Taxed," Monash Economics Working Papers 09-13, Monash University, Department of Economics.
    16. Jorgen Jacobsen, Hans, 2000. "Endogenous, imperfectly competitive business cycles," European Economic Review, Elsevier, vol. 44(2), pages 305-336, February.
    17. Tse, C.Y.Chung Yi, 2004. "Search frictions, market power, and long-run growth," Journal of Economic Theory, Elsevier, vol. 116(2), pages 323-346, June.
    18. Velasco, Andres, 1996. "Animal spirits, investment and international capital movements," Journal of International Money and Finance, Elsevier, vol. 15(2), pages 221-237, April.
    19. repec:taf:intecj:v:31:y:2017:i:1:p:1-35 is not listed on IDEAS
    20. R. Cellini & L. Lambertini & I. P. Ottaviano, 1999. "Growth in a Differentiated Oligopoly with Product Innovation," Working Papers 363, Dipartimento Scienze Economiche, Universita' di Bologna.
    21. Sinha, Deepak K., 2007. "Market clearing with some neo-Keynesian features," Journal of Macroeconomics, Elsevier, vol. 29(1), pages 206-225, March.
    22. Costas Azariadis & James B. Bullard & Lee E. Ohanian, 1998. "Complex eigenvalues and trend-reverting fluctuations," Staff Report 255, Federal Reserve Bank of Minneapolis.
    23. Xavier Raurich & Valeri Sorolla, 2008. "A General Framework for Growth Models with Non-Competitive Labor and Product Markets and Disequilibrium Unemployment," Working Papers 369, Barcelona Graduate School of Economics.

    More about this item

    JEL classification:

    • E21 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Consumption; Saving; Wealth
    • 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
    • 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
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models


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