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The stability of efficiency rankings when risk-preferences and objectives are different

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  • Koetter, Michael

Abstract

We analyze the stability of efficiency rankings of German universal banks between 1993 and 2004. First, we estimate traditional efficiency scores with stochastic cost and alternative profit frontier analysis. Then, we explicitly allow for different risk preferences and measure efficiency with a structural model based on utility maximization. Using the almost ideal demand system, we estimate input and profit demand functions to obtain proxies for expected return and risk. Efficiency is then measured in this risk-return space. Mean risk-return efficiency is somewhat higher than cost and considerably higher than profit efficiency. More importantly, rankorder correlation between these measures are low or even negative. This suggests that best-practice institutes should not be identified on the basis of traditional efficiency measures alone. Apparently, low cost and/or profit efficiency may merely result from alternative yet efficiently chosen risk-return trade-offs.

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  • Koetter, Michael, 2006. "The stability of efficiency rankings when risk-preferences and objectives are different," Discussion Paper Series 2: Banking and Financial Studies 2006,08, Deutsche Bundesbank.
    • Handle: RePEc:zbw:bubdp2:5096
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    Cited by:

    1. International Monetary Fund, 2011. "Germany: Technical Note on Banking Sector Structure," IMF Staff Country Reports 2011/370, International Monetary Fund.
    2. Joseph P. Hughes & Loretta J. Mester, 2018. "The Performance of Financial Institutions: Modeling, Evidence, and Some Policy Implications," Departmental Working Papers 201805, Rutgers University, Department of Economics.
    3. Olivier De Jonghe & Mustafa Disli & Koen Schoors, 2012. "Corporate Governance, Opaque Bank Activities, and Risk/Return Efficiency: Pre- and Post-Crisis Evidence from Turkey," Journal of Financial Services Research, Springer;Western Finance Association, vol. 41(1), pages 51-80, April.
    4. Hughes, Joseph P. & Mester, Loretta J., 2013. "Measuring the Performance of Banks: Theory, Practice, Evidence, and Some Policy Implications," Working Papers 13-28, University of Pennsylvania, Wharton School, Weiss Center.
    5. Joseph P. Hughes & Loretta J. Mester, 2008. "Efficiency in Banking: Theory, Practice, and Evidence," Departmental Working Papers 200801, Rutgers University, Department of Economics.
    6. 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.

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    More about this item

    Keywords

    Risk; efficiency; banks; Germany;
    All these keywords.

    JEL classification:

    • G33 - Financial Economics - - Corporate Finance and Governance - - - Bankruptcy; Liquidation
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
    • L21 - Industrial Organization - - Firm Objectives, Organization, and Behavior - - - Business Objectives of the Firm

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