The Size Distribution of US Banks and Credit Unions
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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 .
| Original language | English |
|---|---|
| Pages (from-to) | 139-156 |
| Journal | International Journal of the Economics of Business |
| Volume | 21 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 6 Feb 2014 |
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