Countercyclical Bank Capital Requirement and Optimized Monetary Policy Rules
نویسندگان
چکیده
Bank of Canada working papers are theoretical or empirical works-in-progress on subjects in economics and finance. The views expressed in this paper are those of the authors. No responsibility for them should be attributed to the Bank of Canada. ii Acknowledgements We are grateful to participants of the workshop at the Bank of Canada for helpful comments. We thank Benjamin Evens for excellent research assistance; all remaining errors are our own. Abstract Using BoC-GEM-Fin, a large-scale DSGE model with real, nominal and financial frictions featuring a banking sector, we explore the macroeconomic implications of various types of countercyclical bank capital regulations. Results suggest that countercyclical capital requirements have a significant stabilizing effect on key macroeconomic variables, but mostly after financial shocks. Moreover, the bank capital regulatory policy and monetary policy interact, and this interaction is contingent on the type of shocks that drive the economic cycle. Finally, we analyze loss functions based on macroeconomic and financial variables to arrive at an optimal countercyclical regulatory policy in a class of simple implementable Taylor-type rules. Compared to bank capital regulatory policy, monetary policy is able to stabilize the economy more efficiently after real shocks. On the other hand, financial shocks require the regulator to be more aggressive in loosening/tightening capital requirements for banks, even as monetary policy works to counter the deviations of inflation from the target. Résumé Les auteurs explorent les implications macroéconomiques de différents niveaux de contracyclicité des exigences de fonds propres bancaires en se servant du modèle BOC-GEM-FIN, un modèle d'équilibre général dynamique et stochastique de grande taille qui comporte des frictions réelles, nominales et financières ainsi qu'un secteur bancaire. Les résultats obtenus indiquent que l'instauration d'exigences de fonds propres contracycliques a un effet stabilisateur sur les principales variables macroéconomiques, mais cet effet est surtout notable après un choc financier. En outre, il existe une interaction entre la politique de réglementation des fonds propres bancaires et la politique monétaire, et cette interaction est tributaire du type de chocs qui sont à l'origine des fluctuations économiques. Enfin, les auteurs analysent des fonctions de perte reposant sur des variables macroéconomiques et financières afin de déterminer le degré de contracyclicité optimal des exigences réglementaires pour un groupe de règles à la Taylor simples et applicables. La politique monétaire est plus efficace que la politique de réglementation des fonds propres bancaires pour stabiliser l'économie après des chocs réels. Les chocs financiers, par contre, …
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تاریخ انتشار 2013