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Has Macroprudential Regulation Affected Marginal Borrowers? Evidence From South Africa

Merrino, Serena; Lesame, Keagile; Chondrogiannis, Ilias; (2025) Has Macroprudential Regulation Affected Marginal Borrowers? Evidence From South Africa. South African Journal of Economics 10.1111/saje.12399. (In press). Green open access

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Abstract

Bank regulation aimed at strengthening the resilience of the financial system can also prompt adjustments in lending and borrowing decisions. This paper examines how South Africa's credit market has responded to macroprudential policy measures to evaluate whether financial stability objectives are achieved at the expense of an equitable credit allocation. Using firm‐level tax data, banking sector time series and a comprehensive regulatory index, we find that Basel III reforms reduced lending to households, especially if poor, to the benefit of firms, especially if large. We also document that regulation triggers lenders' adverse selection by penalising more creditworthy enterprises.

Type: Article
Title: Has Macroprudential Regulation Affected Marginal Borrowers? Evidence From South Africa
Open access status: An open access version is available from UCL Discovery
DOI: 10.1111/saje.12399
Publisher version: https://doi.org/10.1111/saje.12399
Language: English
Additional information: © 2025 The Author(s). The South African Journal of Economics published by John Wiley & Sons Ltd on behalf of Economic Society of South Africa. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License (http://creativecommons.org/licenses/by-nc-nd/4.0/).
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL SLASH
UCL > Provost and Vice Provost Offices > UCL SLASH > Faculty of Arts and Humanities
URI: https://discovery.ucl.ac.uk/id/eprint/10204734
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