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Banking Economic Efficiency In The Deregulation Period: Results From Heteroscedastic Stochastic Frontier Models

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  • Dimitris K. Christopoulos
  • Efthymios G. Tsionas

Abstract

The paper provides quantitative estimates of technical and allocative inefficiency measures of the Greek banking sector in the deregulation period. Such estimates are useful tools for bank managers and policymakers in view of the extensive restructuring of the Greek financial system in recent years, and participation of Greece in the Euro‐zone. The paper generalizes recent approaches based on heteroscedastic stochastic frontier models, and shows how to measure both technical and allocative efficiency in such models. The method is applied to cost function estimation for the banking sector. It is found that technical inefficiency is close to 20 per cent, allocative inefficiency is also a substantial part of costs, averaging 14 per cent, and both components have improved drastically in the deregulation period. This suggests that there is plenty of room for improvement in Greek bank profitability and competitiveness in the new European financial environment.

Suggested Citation

  • Dimitris K. Christopoulos & Efthymios G. Tsionas, 2001. "Banking Economic Efficiency In The Deregulation Period: Results From Heteroscedastic Stochastic Frontier Models," Manchester School, University of Manchester, vol. 69(6), pages 656-676, December.
    • Handle: RePEc:bla:manchs:v:69:y:2001:i:6:p:656-676
    DOI: 10.1111/1467-9957.00276
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    Cited by:

    1. Boon L. Lee & Andrew C. Worthington & Wai Ho Leong, 2010. "Malmquist Indices Of Pre- And Post-Deregulation Productivity, Efficiency And Technological Change In The Singaporean Banking Sector," The Singapore Economic Review (SER), World Scientific Publishing Co. Pte. Ltd., vol. 55(04), pages 599-618.
    2. Anthony N. Rezitis, 2006. "Productivity Growth in the Greek Banking Industry: A Non-Parametric Approach," Journal of Applied Economics, Taylor & Francis Journals, vol. 9(1), pages 119-138, May.
    3. Francesco Aiello & Graziella Bonanno, 2018. "On The Sources Of Heterogeneity In Banking Efficiency Literature," Journal of Economic Surveys, Wiley Blackwell, vol. 32(1), pages 194-225, February.
    4. Giorgos Argitis & Stella Michopoulou, 2013. "Studies in Financial Systems No 4 Financialization and the Greek Financial System," FESSUD studies fstudy04, Financialisation, Economy, Society & Sustainable Development (FESSUD) Project.
    5. Halkos, George & Tzeremes, Nickolaos, 2011. "A conditional full frontier approach for investigating the Averch-Johnson effect," MPRA Paper 35491, University Library of Munich, Germany.
    6. Halkos, George E. & Tzeremes, Nickolaos G., 2013. "Estimating the degree of operating efficiency gains from a potential bank merger and acquisition: A DEA bootstrapped approach," Journal of Banking & Finance, Elsevier, vol. 37(5), pages 1658-1668.
    7. Pasiouras, Fotios, 2008. "Estimating the technical and scale efficiency of Greek commercial banks: The impact of credit risk, off-balance sheet activities, and international operations," Research in International Business and Finance, Elsevier, vol. 22(3), pages 301-318, September.
    8. Lakshmi Balasubramanyan & Spiro Stefanou & Jeffrey Stokes, 2012. "An entropy approach to size and variance heterogeneity in U.S. commercial banks," Journal of Economics and Finance, Springer;Academy of Economics and Finance, vol. 36(3), pages 728-749, July.
    9. Francesco Aiello & Graziella Bonanno, 2016. "Efficiency in banking: a meta-regression analysis," International Review of Applied Economics, Taylor & Francis Journals, vol. 30(1), pages 112-149, January.
    10. Sensarma, Rudra, 2006. "Are foreign banks always the best? Comparison of state-owned, private and foreign banks in India," Economic Modelling, Elsevier, vol. 23(4), pages 717-735, July.
    11. Rezitis, Anthony N., 2008. "Efficiency and productivity effects of bank mergers: Evidence from the Greek banking industry," Economic Modelling, Elsevier, vol. 25(2), pages 236-254, March.
    12. Tsionas, Efthymios G. & Papadakis, Emmanuel N., 2010. "A Bayesian approach to statistical inference in stochastic DEA," Omega, Elsevier, vol. 38(5), pages 309-314, October.
    13. Georgios D. Papagiannis, 2014. "Measurement of Efficiency in Greek Banking Industries in The Light of the Financial Crisis," European Research Studies Journal, European Research Studies Journal, vol. 0(1), pages 19-38.
    14. Pavlos Almanidis & Mustafa U. Karakaplan & Levent Kutlu, 2019. "A dynamic stochastic frontier model with threshold effects: U.S. bank size and efficiency," Journal of Productivity Analysis, Springer, vol. 52(1), pages 69-84, December.
    15. Fotios Pasiouras & Aggeliki Liadaki & Constantin Zopounidis, 2008. "Bank efficiency and share performance: evidence from Greece," Applied Financial Economics, Taylor & Francis Journals, vol. 18(14), pages 1121-1130.
    16. Nikolaos Mylonidis & Ioanna Kelnikola, 2005. "Merging activity in the Greek Banking System: A Financial Accounting Perspective," South-Eastern Europe Journal of Economics, Association of Economic Universities of South and Eastern Europe and the Black Sea Region, vol. 3(1), pages 121-144.
    17. Lowry, Mark Newton & Getachew, Lullit, 2009. "Statistical benchmarking in utility regulation: Role, standards and methods," Energy Policy, Elsevier, vol. 37(4), pages 1323-1330, April.
    18. Panagiotis Tziogkidis & Kent Matthews & Dionisis Philippas, 2018. "The effects of sector reforms on the productivity of Greek banks: a step-by-step analysis of the pre-Euro era," Annals of Operations Research, Springer, vol. 266(1), pages 531-549, July.
    19. Sunil Kumar, 2013. "Banking reforms and the evolution of cost efficiency in Indian public sector banks," Economic Change and Restructuring, Springer, vol. 46(2), pages 143-182, May.
    20. A.I. Dimitras & K. Kosmidou & A.K. Apostolou, 2010. "Bank efficiency estimation and the change of the accounting standards: evidence from Greece," International Journal of Managerial and Financial Accounting, Inderscience Enterprises Ltd, vol. 2(1), pages 20-39.

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