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Comparative Statics for Oligopoly: Demand Shift Effects

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  • Quirmbach, Herman C
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    Abstract

    When demand rises in an imperfectly competitive industry, price, output, profits, consumer surplus, and welfare may individually rise or fall. The possibilities are thus broader than with either a demand shift under competition or a cost shift in either typ e of industry. Systematic relationships are established showing, howe ver, that the pattern of effects cannot be arbitrary. Imperfect compe tition is necessary for profits to fall when demand rises-profits alw ays rise with either perfect competition or perfect collusion. This a gain contrasts with the cost shift case, where imperfect competition is not necessary for perverse profit effects. Copyright 1988 by Economics Department of the University of Pennsylvania and the Osaka University Institute of Social and Economic Research Association.

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    Bibliographic Info

    Article provided by Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association in its journal International Economic Review.

    Volume (Year): 29 (1988)
    Issue (Month): 3 (August)
    Pages: 451-59

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    Handle: RePEc:ier:iecrev:v:29:y:1988:i:3:p:451-59

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    Cited by:
    1. David, Maia & Nimubona, Alain-Désiré & Sinclair-Desgagné, Bernard, 2011. "Emission taxes and the market for abatement goods and services," Resource and Energy Economics, Elsevier, vol. 33(1), pages 179-191, January.
    2. Hamilton, Stephen F., 1999. "Demand shifts and market structure in free-entry oligopoly equilibria," International Journal of Industrial Organization, Elsevier, vol. 17(2), pages 259-275, February.
    3. Corchon, Luis C. & Fradera, Isabel, 2002. "Comparative statics in Cournot free entry equilibrium," Mathematical Social Sciences, Elsevier, vol. 44(2), pages 155-168, November.
    4. Boone, J. & Müller, W., 2008. "The Distribution of Harm in Price-Fixing Cases," Discussion Paper 2008-68, Tilburg University, Center for Economic Research.
    5. Arghya Ghosh & Alberto Motta, 2011. "Outsourcing with Heterogeneous Firms," Discussion Papers 2011-09, School of Economics, The University of New South Wales.
    6. Simon GB Cowan & Simon Cowan, 2004. "Demand shifts and imperfect competition," Economics Series Working Papers 188, University of Oxford, Department of Economics.
    7. Chen, Kevin Z. & Weerahewa, Jeevika, 1998. "Regulation, Market Power, And Advertising Effectiveness," Agricultural and Resource Economics Review, Northeastern Agricultural and Resource Economics Association, vol. 27(2), October.
    8. Marco Terrones & Luis Catão, 2000. "Determinants of Dollarization," IMF Working Papers 00/146, International Monetary Fund.
    9. Mario Tello, 1992. "Precios relativos, producción interna y exportaciones en modelos de competencia imperfecta doméstica y mercados segmentados," Documentos de Trabajo 1992-107, Departamento de Economía - Pontificia Universidad Católica del Perú.

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