The Study On Bank Capital Buffer Periodicity

This paper takes the cost difference between state-owned banks,joint-stock banks and city commercial banks as the starting point,and combines the influence of capital supervision environment factors,from the perspective of the capital adequacy ratio of the capital-regulatory capital,denominator-risk-weighted assets.Start building a theoretical model.On the basis of the theoretical model,the “credit/GDP gap” proposed by Basel III is the proxy variable of the economic cycle,using the annual unbalanced panel data of 149 commercial banks in China during the 12-year period from 2005 to 2016.The periodicity of the capital buffer of commercial banks in China is analyzed.In theoretical analysis,this paper innovatively constructs theoretical models from the perspective of numerator and denominator.In empirical analysis,the data samples cover all state-owned and joint-stock banks and urban commercial banks in China.At the same time,this paper uses economic cycle proxy variables to align with international regulatory rules.The empirical results obtained in this paper are based on representativeness and reference.Through theoretical and empirical analysis,the core conclusions of this paper are as follows: First,in the Chinese banking industry,due to the strong policy of state-owned and joint-stock banks,the government requires stable economic cycles in the economic cycle,so state-owned banks and joint-stock systems The bank's capital buffer has a reverse cyclical characteristic,while the city commercial bank has a pro-cyclical characteristic because of its high cost of regulatory capital and its weak policy.Secondly,the banking industry as a whole has already met.In the context of regulatory requirements for quantitative indicators,the tightening of the capital regulatory environment mitigates the procyclicality of its own capital buffers by inhibiting banks from over-expanding risky assets during the upswing;and finally,the difference in the capital adequacy ratio – the regulatory capital adjustment behavior It is the main reason for the cyclical differences in capital buffers between the two types of banks.Based on the above conclusions,this paper believes that when designing and implementing capital supervision policies,we first need to consider the characteristics of the two types of banks and the heterogeneity of their behaviors.On this basis,we adopt differentiated capital supervision requirements and strive to achieve supervision.The accuracy of the policy.Second,in an environment where almost all banks meet the requirements of capital regulation,regulators should make full use of various non-quantitative capital regulatory requirements to improve the strictness of the regulatory environment to ensure the effectiveness of the policy.Finally,this paper believes that the key to solving the problem of “procyclical” capital buffer of urban commercial banks is to help such banks overcome the problem of high regulatory capital costs and ensure the smooth flow and diversity of such banks' capital replenishment channels.