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Bankers and bank investors: reconsidering the economies of scale in banking

Anderson, Ronald W. and Jõeveer, Karin (2012) Bankers and bank investors: reconsidering the economies of scale in banking. Financial Markets Group Discussion Papers (712). Financial Markets Group, The London School of Economics and Political Science, London, UK.

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Abstract

We study economies of scale in banking by viewing banks as combinations of financial and human capital that create rents which accrue to investors and bankers. Applying this approach to annual data of US bank holding companies since 1990, we find much stronger evidence of economies of scale in returns to bankers as compared to returns to investors. The scale economies appear to be particularly strong in the top size decile of banks measured by total assets. We find that rents accruing to bankers are particularly strong in banks with a relatively large share of non-interest income and that for the largest banks a reduction of net interest margin is associated with an increase in bankers' rents. We find incorporating observable proxies for funding efficiency and presence in wholesale banking activities greatly reduces the pure size effect.

Item Type: Monograph (Discussion Paper)
Official URL: https://www.fmg.ac.uk/
Additional Information: © 2012 The Authors
Divisions: Systemic Risk Centre
Financial Markets Group
Subjects: H Social Sciences > HC Economic History and Conditions
H Social Sciences > HG Finance
JEL classification: G - Financial Economics > G2 - Financial Institutions and Services > G20 - General
G - Financial Economics > G2 - Financial Institutions and Services > G21 - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
Date Deposited: 28 Jun 2023 23:04
Last Modified: 14 Sep 2024 04:30
URI: http://eprints.lse.ac.uk/id/eprint/119041

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