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Colombian bank efficiency and the role of market structure

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  • Diana Fernández Moreno

    ()

  • Dairo Estrada

    ()

Abstract

Colombia’s financial system has undertaken major changes during the last decade, with new regulatory regimes being implemented, as well as a significant expansion of financial services. Nevertheless, the recent literature has yet to analyze this new epoch for banking institutions under an efficiency framework. Taking into account the availability of new information and the methodological advances of recent years, our purpose is to study the evolution of bank efficiency during the past few years, as well as to evaluate the influence of some market structure variables on the latter. We find evidence, both under SFA and Order-m, supporting an increase in efficiency over time. Moreover, relating the latter with market structure variables suggests that there is a positive relationship between market power and efficiency; this occurs due to product differentiation, which allows banks to gain in efficiency provided they don’t set excessive credit prices. Nonetheless, there is an open debate concerning the behavior of banks with the highest market shares, since the negative relation between market concentration and efficiency advocates for a "quiet life form", where banks don’t have incentives to fully minimize costs. Additional to these results, we provide evidence of potential impacts that mergers and credit specialization may have on efficiency.

Suggested Citation

  • Diana Fernández Moreno & Dairo Estrada, "undated". "Colombian bank efficiency and the role of market structure," Temas de Estabilidad Financiera 076, Banco de la Republica de Colombia.
  • Handle: RePEc:bdr:temest:076
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    References listed on IDEAS

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    1. Nicholas Apergis & Effrosyni Alevizopoulou, 2011. "Bank Efficiency: Evidence from a Panel of European Banks," Panoeconomicus, Savez ekonomista Vojvodine, Novi Sad, Serbia, vol. 58(3), pages 329-341, September.
    2. Jean Tirole, 1988. "The Theory of Industrial Organization," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262200716, January.
    3. José Luis Carreño & Gino Loyola & Yolanda Portilla, 2010. "Eficiencia Bancaria en Chile: un Enfoque de Frontera de Beneficios," Working Papers Central Bank of Chile 603, Central Bank of Chile.
    4. Clarke, Roger & Davies, Stephen & Waterson, Michael, 1984. "The Profitability-Concentration Relation: Market Power or Efficiency?," Journal of Industrial Economics, Wiley Blackwell, vol. 32(4), pages 435-450, June.
    5. Dairo Estrada & Poldy Osorio, 2004. "Effects of Financial Capital on Colombian Banking Efficiency," Ensayos sobre Política Económica, Banco de la Republica de Colombia, vol. 22(47), pages 162-201, Diciembre.
    6. Esteban Gómez & Andrés Murcia Pabón & Nancy Zamudio Gómez, "undated". "Foreign Debt Flows and Domestic Credit: A Principal-Agent Approach," Temas de Estabilidad Financiera 075, Banco de la Republica de Colombia.
    7. Demsetz, Harold, 1973. "Industry Structure, Market Rivalry, and Public Policy," Journal of Law and Economics, University of Chicago Press, vol. 16(1), pages 1-9, April.
    8. Cazals, Catherine & Florens, Jean-Pierre & Simar, Leopold, 2002. "Nonparametric frontier estimation: a robust approach," Journal of Econometrics, Elsevier, vol. 106(1), pages 1-25, January.
    9. Sufian, Fadzlan, 2009. "Determinants of bank efficiency during unstable macroeconomic environment: Empirical evidence from Malaysia," Research in International Business and Finance, Elsevier, vol. 23(1), pages 54-77, January.
    10. Aigner, Dennis & Lovell, C. A. Knox & Schmidt, Peter, 1977. "Formulation and estimation of stochastic frontier production function models," Journal of Econometrics, Elsevier, vol. 6(1), pages 21-37, July.
    11. Harald Tauchmann, 2012. "Partial frontier efficiency analysis," Stata Journal, StataCorp LP, vol. 12(3), pages 461-478, September.
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    Cited by:

    1. Sarmiento, Miguel & Galán, Jorge E., 2017. "The influence of risk-taking on bank efficiency: Evidence from Colombia," Emerging Markets Review, Elsevier, vol. 32(C), pages 52-73.
    2. Sarmiento, Miguel & Galán, Jorge E., 2014. "Heterogeneous effects of risk-taking on bank efficiency : a stochastic frontier model with random coefficients," DES - Working Papers. Statistics and Econometrics. WS ws142013, Universidad Carlos III de Madrid. Departamento de Estadística.

    More about this item

    Keywords

    Bank Efficiency; Concentration; Market Power; Stochastic Frontier Analysis; Order-m. Classification JEL: C14; D40; D61; G21;

    JEL classification:

    • C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
    • D40 - Microeconomics - - Market Structure, Pricing, and Design - - - General
    • D61 - Microeconomics - - Welfare Economics - - - Allocative Efficiency; Cost-Benefit Analysis
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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