Are bank capital requirements optimally set? Evidence from researchers’ views

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Title: Are bank capital requirements optimally set? Evidence from researchers’ views
ISBN: 978-952-323-330-0
Author: Ambrocio, Gene ; Hasan, Iftekhar ; Jokivuolle, Esa ; Ristolainen, Kim
Organization: Bank of Finland
Series: Bank of Finland Research Discussion Papers
ISSN: 1456-6184
Series year: 2020
Series number: 10/2020
Year of publication: 2020
Publication date: 2.6.2020
Pages: 42
Subject (yso): pankit; pääoma; sääntely; survey-tutkimus
Keywords: pääomavaatimus; Basel III
JEL: G01; G28
Other keywords: bank regulation; capital requirements; expert survey
Abstract: We survey 149 leading academic researchers on bank capital regulation. The median (average) respondent prefers a 10% (15%) minimum non-risk-weighted equity-to-assets ratio, which is considerably higher than the current requirement. North Americans prefer a significantly higher equity-to-assets ratio than Europeans. We find substantial support for the new forms of regulation introduced in Basel III, such as liquidity requirements. Views are most dispersed regarding the use of hybrid assets and bail-inable debt in capital regulation. 70% of experts would support an additional market-based capital requirement. When investigating factors driving capital requirement preferences, we find that the typical expert believes a five percentage points increase in capital requirements would “probably decrease” both the likelihood and social cost of a crisis with “minimal to no change” to loan volumes and economic activity. The best predictor of capital requirement preference is how strongly an expert believes that higher capital requirements would increase the cost of bank lending.

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