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A Parametric Estimation of Bank Efficiencies Using a Flexible Profit Function with Panel Data

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  • Tai‐Hsin Huang

Abstract

This paper generalises Kumbhakar's (1996a) single product shadow profit function to a multiproduct one, which in contrast to Berger, Hancock, and Humphrey (1993) is consistent with a firm's profit maximising behaviour. By estimating a parametric translog profit function, which does not require special assumptions about the error distribution, and using panel data from Taiwan's banking industry, the following conclusions can be drawn: (i) Parameter estimates from the translog functional form are more robust than those from the Fuss (non‐logarithmic) form. (ii) More than half of all potential variable profits are found to be lost due to inefficiencies. (iii) Greater reduction in profit results from deficient output revenues than from a suboptimal input mix. (iv) The model finds technical progress during the sample period. (v) A type of ‘weakly’ optimal scope economies is detected, which suggests that the joint production of the two products can increase profits for some banks while not hurting the profits of others.

Suggested Citation

  • Tai‐Hsin Huang, 1999. "A Parametric Estimation of Bank Efficiencies Using a Flexible Profit Function with Panel Data," Australian Economic Papers, Wiley Blackwell, vol. 38(4), pages 422-445, December.
    • Handle: RePEc:bla:ausecp:v:38:y:1999:i:4:p:422-445
    DOI: 10.1111/1467-8454.00066
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    Cited by:

    1. Zeguang Li & Keqiang Hou & Simon Cottrell, 2018. "Do Listed Banks have Higher Operating Efficiency and Output Efficiency?," Australian Economic Papers, Wiley Blackwell, vol. 57(3), pages 309-326, September.
    2. Tai-hsin Huang & Mei-hui Wang, 2004. "Comparisons of Economic Inefficiency Between Output and Input Measures of Technical Inefficiency Using the Fourier Flexible Cost Function," Journal of Productivity Analysis, Springer, vol. 22(1), pages 123-142, July.
    3. Tai‐Hsin Huang & Mei‐Hui Wang, 2003. "Estimation of Technical and Allocative Inefficiency Using Fourier Flexible Cost Frontiers for Taiwan's Banking Industry," Manchester School, University of Manchester, vol. 71(3), pages 341-362, June.

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