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Consideration of technological and environmental heterogeneity in cost efficiency analysis

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  • Ihsen Abid
  • Mohamed Goaied

Abstract

In order to evaluate and compare the efficiency levels across banking industries, we adopt the meta-frontier model that can assess the technological difference among countries. Given the importance of country specific conditions, we include in our analysis the different specificities of each country to incorporate the technological as the environmental differences in the evaluation of banking efficiencies. Using data on the banking industries of several countries in the MENA region, over the period 1991-2011, the results of the efficiency scores corrected by the technological and environmental gap led us to conclude that Egyptian banks are the most efficient in terms of cost compared with banks in other countries. Egyptian banks enjoy a very favourable banking technology. Our results support the hypothesis that traditional techniques of efficiency analysis based on the efficiency scores of a specific and pooled frontier tend to mystify efficiency levels and may incorrectly identify efficient banks. This paper contributes to the efficiency literature by incorporating technological and environmental heterogeneities in the evaluation of efficiency. This helps to characterize the production process of a bank and provides common standards by which the efficiencies of banks in different countries can be compared in a meaningful way with each other.

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  • Ihsen Abid & Mohamed Goaied, 2015. "Consideration of technological and environmental heterogeneity in cost efficiency analysis," International Review of Applied Economics, Taylor & Francis Journals, vol. 29(5), pages 650-676, September.
    • Handle: RePEc:taf:irapec:v:29:y:2015:i:5:p:650-676
    DOI: 10.1080/02692171.2015.1054368
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    References listed on IDEAS

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    1. Sami Ben Naceur & Barbara Casu & Hichem Ben-Khedhiri, 2011. "What Drives the Performance of Selected MENA Banks? A Meta-Frontier Analysis," IMF Working Papers 2011/034, International Monetary Fund.
    2. Samy Ben Naceur & Hichem Ben-Khedhiri & Barbara Casu, 2009. "What Drives the Efficiency of Selected MENA Banks? A Meta-Frontier Analysis," Working Papers 499, Economic Research Forum, revised Aug 2009.
    3. Bos, Jaap W. B. & Heid, Frank & Koetter, Michael & Kolari, James W. & Kool, Clemens J. M., 2005. "Inefficient or just different? Effects of heterogeneity on bank efficiency scores," Discussion Paper Series 2: Banking and Financial Studies 2005,15, Deutsche Bundesbank.
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