Economies of scale and scope in French banking and savings institutions

Ugur Muldur and Mohamed Sassenou

Journal of Productivity Analysis, 1993, vol. 4, issue 1, 72 pages

Abstract: In this study, we analyze the costs incurred by French commercial banks and savings institutions. One of the main distinctions between these two types of financial entities concerns management costs, which are higher for commercial bank demand deposits than for the savings institutions' tax-free “livret A” passbook accounts. Taking this differential into consideration by constructing separate models based on different principles, we find that the average overall and operating costs of the savings institutions are half those of commercial banks. As regards operating costs, small savings institutions enjoy a significant cost advantage over small commercial banks, but this cost advantage is smaller when one compares the performance of large savings institutions to the large banks. The results of our econometric estimates suggest a possible explanation, as we find increasing returns to scale for the banks and diminishing returns for the savings institutions. The value of the returns-to-scope parameter at the mean point appears to indicate a complementarity between certain pairs of outputs. Therefore, ouptut diversification appears to have a positive impact on cost levels for both savings institutions and commercial banks; while institution size, measured by the total assets, has a different impact in these two industries. Copyright Kluwer Academic Publishers 1993

Date: 1993
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DOI: 10.1007/BF01073465

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