A computable general equilibrium model as a banking sector regulatory tool in South Africa
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Date
Authors
Beyers, Frederik Johannes Conradie
De Freitas, Allan
Essel-Mensah, Kojo Amonkwandoh
Seymore, Reyno
Tsomocos, Dimitrios P.
Journal Title
Journal ISSN
Volume Title
Publisher
Wiley
Abstract
A computable general equilibrium (CGE) model is used as a regulatory tool for the banking sector in South Africa. The model is used to determine the effects of regulatory penalties, capital adequacy requirements (CAR) and the monetary policy on the economy. Our results indicate that there is a trade-off between the default and the CAR regulation. For example, when reducing the default penalty, the banks' profits increase, whereas reducing the CAR violation penalty, banks' profits decrease. Changes to the default penalty have a stronger impact than changes in the CAR violation penalty (i.e. when both penalties are reduced, the banks' profits increase). Moreover, regulatory policies that are targeted at different banks produce asymmetric results, as well capitalised banks with richer portfolios swiftly readjust their balance sheet and transfer the default externality to the more constrained banks and/or the private sector agents.
Description
Keywords
Banking regulation, Base money, Capital requirement, Computable general equilibrium (CGE), Policy rate, Capital adequacy requirements (CAR)
Sustainable Development Goals
Citation
Beyers, F.J.C., De Freitas, A., Essel-Mensah, K.A., Seymore, R. & Tsomocos, D.P. (2022) A computable general equilibrium model as a banking sector regulatory tool in South Africa. South African Journal of Economics, 90(1), 93–120. Available from:https://doi.org/10.1111/saje.12304.