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Identifying behaviour in a multiproduct oligopoly: Incumbents reaction to tariffs dismantling

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  • Jaumandreu, Jordi
  • Moral, Maria Jose

Abstract

The Spanish automobile market of the nineties experienced a perfectly foreseeable tariff dismantling and a strong demand downturn, with the observed result of an apparently sharpened producer competition in products and perhaps in prices. This paper is aimed at testing whether or not there really was a change in pricing behaviour, using a structural model of competition. To answer that question, we specify, estimate and test semiparametric pricing equations with panel data for 164 models belonging to the 31 firms which competed in the market. The specification includes several equilibriums as alternative estimating models, considering prominently tacit coalitions by which a group of firms sets prices, taking into account the cross effects on their demands. The statistical test selects as the best model given the data an unbroken coalition of domestic and European producers. Comparative results using tight demand side specifications show that an inadequate specification of the demand side may induce wrong inferences.

Suggested Citation

  • Jaumandreu, Jordi & Moral, Maria Jose, 2006. "Identifying behaviour in a multiproduct oligopoly: Incumbents reaction to tariffs dismantling," MPRA Paper 1248, University Library of Munich, Germany.
  • Handle: RePEc:pra:mprapa:1248
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    File URL: https://mpra.ub.uni-muenchen.de/1248/1/MPRA_paper_1248.pdf
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    References listed on IDEAS

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    Cited by:

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    3. Leheyda, Nina, 2008. "Market Power, Multimarket Contact and Pricing: Some Evidence from the US Automobile Market," ZEW Discussion Papers 08-118, ZEW - Leibniz Centre for European Economic Research.
    4. Leheyda, Nina, 2008. "Geographical and Multi-product Linkages of Markets: Impact on Firm Equilibrium Interactions (Some Evidence from the European Car Market)," ZEW Discussion Papers 08-119, ZEW - Leibniz Centre for European Economic Research.

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    More about this item

    Keywords

    behaviour; tariffs; oligopoly; coalition;
    All these keywords.

    JEL classification:

    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets

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