The price-concentration relationship in banking

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Abstract
The commonly observed positive correlation between market concentration and profitability may be explained by noncompetitive pricing behavior, as argued by the structure-performance hypothesis, or by the greater efficiency of firms with dominant market shares, as argued by the efficient-structure hypothesis. By examining the price-concentration relationship instead of the profit-concentration relationship, this paper tests the structure-performance hypothesis in a manner that excludes the efficient-structure hypothesis as an alternative explanation of the results. The results strongly support the structure-performance hypothesis and are robust with respect to model specification, measurement of concentration, and econometric technique. Copyright 1989 by MIT Press. (This abstract was borrowed from another version of this item.)
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