The Size Distribution of US Banks and Credit Unions
Donal Mckillop and
International Journal of the Economics of Business, 2014, vol. 21, issue 1, 139-156
This study examines the firm size distribution of US banks and credit unions. A truncated lognormal distribution describes the size distribution, measured using assets data, of a large population of small, community-based commercial banks. The size distribution of a smaller but increasingly dominant cohort of large banks, which operate a high-volume low-cost retail banking model, exhibits power-law behaviour. There is a progressive increase in skewness over time, and Zipf's Law is rejected as a descriptor of the size distribution in the upper tail. By contrast, the asset size distribution of the population of credit unions conforms closely to the lognormal distribution .
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Persistent link: https://EconPapers.repec.org/RePEc:taf:ijecbs:v:21:y:2014:i:1:p:139-156
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