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Are Public Banks pro-Competitive? Evidence from Concentrated Local Markets in Brazil


  • Christiano A. Coelho

    (Central Bank of Brasil)

  • João Manoel Pinho de Mello

    () (Department of Economics, PUC-Rio)

  • Leonardo Rezende

    () (Department of Economics, PUC-Rio)


We measure the competitive effect of public ownership of banks in concentrated local banking markets in Brazil by extending Bresnahan and Reiss’s [1991] framework to measure the effects of entry in concentrated markets. We use variation in market size, the number of competitors and their identity to infer how conduct is affected by the entry of a private vis-à-vis a public bank. We find that, while local markets whose structure is private bank duopoly are 100% larger than private monopolies, duopolies with one public and one private bank and private monopolies are no different with respect to market size. These results suggest that, while the presence of private banks toughens competition, public banks do not affect conduct.

Suggested Citation

  • Christiano A. Coelho & João Manoel Pinho de Mello & Leonardo Rezende, 2007. "Are Public Banks pro-Competitive? Evidence from Concentrated Local Markets in Brazil," Textos para discussão 551, Department of Economics PUC-Rio (Brazil), revised Sep 2007.
  • Handle: RePEc:rio:texdis:551

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    References listed on IDEAS

    1. Berry, Steven T, 1992. "Estimation of a Model of Entry in the Airline Industry," Econometrica, Econometric Society, vol. 60(4), pages 889-917, July.
    2. Timothy F. Bresnahan & Peter C. Reiss, 1990. "Entry in Monopoly Market," Review of Economic Studies, Oxford University Press, vol. 57(4), pages 531-553.
    3. Crump, Richard K. & Hotz, V. Joseph & Imbens, Guido W. & Mitnik, Oscar A., 2006. "Moving the Goalposts: Addressing Limited Overlap in Estimation of Average Treatment Effects by Changing the Estimand," IZA Discussion Papers 2347, Institute for the Study of Labor (IZA).
    4. Michael J. Mazzeo, 2002. "Product Choice and Oligopoly Market Structure," RAND Journal of Economics, The RAND Corporation, vol. 33(2), pages 221-242, Summer.
    5. Bresnahan, Timothy F & Reiss, Peter C, 1991. "Entry and Competition in Concentrated Markets," Journal of Political Economy, University of Chicago Press, vol. 99(5), pages 977-1009, October.
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    Cited by:

    1. Goddard, John & Molyneux, Philip & Williams, Jonathan, 2014. "Dealing with cross-firm heterogeneity in bank efficiency estimates: Some evidence from Latin America," Journal of Banking & Finance, Elsevier, vol. 40(C), pages 130-142.
    2. De Mello Joao M & Zilberman Eduardo, 2008. "Does Crime Affect Economic Decisions? An Empirical Investigation of Savings in a High-Crime Environment," The B.E. Journal of Economic Analysis & Policy, De Gruyter, vol. 8(1), pages 1-28, December.
    3. Guerra, Alexandre & Moita, Rodrigo, 2011. "Entradas e Bandeiras: A Estratégia de Interiorização das Cadeias de Fast Food no Brasil," Insper Working Papers wpe_247, Insper Working Paper, Insper Instituto de Ensino e Pesquisa.
    4. Williams, Jonathan, 2012. "Efficiency and market power in Latin American banking," Journal of Financial Stability, Elsevier, vol. 8(4), pages 263-276.
    5. Schröder, Bruno, 2012. "Práticas restritivas, barreiras à entrada e concorrência no mercado brasileiro de exibição cinematográfica," Revista Brasileira de Economia - RBE, FGV/EPGE - Escola Brasileira de Economia e Finanças, Getulio Vargas Foundation (Brazil), vol. 66(1), March.

    More about this item


    banking industry; public versus private ownership; effect of entry.;

    JEL classification:

    • L10 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - General
    • L13 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Oligopoly and Other Imperfect Markets
    • L33 - Industrial Organization - - Nonprofit Organizations and Public Enterprise - - - Comparison of Public and Private Enterprise and Nonprofit Institutions; Privatization; Contracting Out

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