In this article a banking sector Computable general equilibrium (CGE) model for South Africa is developed. The model is used to estimate the potential effect of regulatory policy on the economy and as a risk assessment tool to assess how changes in regulation affect the economy. The model provides a methodology for regulators of the banking sector and policy makers in South Africa to deal with risk assessment and future regulatory planning. The CGE model allows interactions amongst various entities of the economy so that policy makers could detect the risks in the banking sector. The CGE model used in this paper performed well as a risk assessment tool for the South African banking sector. The results of the various shocks from the model are consistent with the results obtained from similar shocks done in the UK. We establish that default penalty has a higher effect on the banks' profits and the interest rates than capital requirement infringement penalty. Our results also suggest that interest rate targeting has more controlled effects than monetary base targeting since pecuniary externalities are reduced.
Border Tax Adjustments (BTAs) resurfaced recently in national policy debates as a possible measure to counter the anti-competitiveness effect of unilateral environmental taxes. There seems to be no consensus in the literature on the effectiveness of BTAs under environmental taxes. This paper aims to provide a theoretical Heckscher-Ohlin analysis that not only challenges the effectiveness of BTAs, but also proposes an alternative approach to counter the anticompetitiveness effect of unilateral environmental taxes. Using conventional Heckscher-Ohlin methodology, in a small country, we show that policy makers should, instead of implementing BTAs, consider the opposite of BTAs to mitigate the anti-competitiveness effects of environmental taxes. We show that gains from trade, due to a reduction in import tariffs, could, under certain assumptions, offset the initial tax induced welfare loss.
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.
Input-output analysis is a well known method of analysing specific economic activity and the influence of different sectors on the economy and on one another. This study investigates the ability of input-output analysis to consider the importance of commercial real estate on the economy. It analyses the economic activity, contribution to GDP, employment created and taxes generated with reference to direct, indirect and induced impacts. The research shows the contribution of the specific sector on the economy and highlights the ability of input-output analysis to determine the impact of different types of property and locational analysis. The interaction of property with the economy is discussed, which also enables the use of the analysis reported here for short term future forecasting, whereby expected real estate activity is used to forecast the direct, indirect and induced effects on the economy.
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