{"title":"Basel III countercyclical bank capital buffer estimation and its relation to monetary policy","authors":"Juan F. Rendón , Lina M. Cortés , Javier Perote","doi":"10.1016/j.jeconbus.2024.106173","DOIUrl":null,"url":null,"abstract":"<div><p>This paper proposes a new model to estimate the countercyclical bank solvency capital buffer established in Basel III. The model lies in a flexible semi-nonparametric approach to capture the probability distribution of the capital adequacy ratio, but also a stochastic Ornstein–Uhlenbeck process that incorporates components of the cyclical behavior. We measure the risk of breaching the minimum capital threshold that separates the countercyclical capital buffer from other capital components and analyze its relationship with macroeconomic variables such as interest rates, credit levels, and credit-to-GDP gaps. Furthermore, a vector autoregressive model is estimated to test the existence of the bank-capital channel and the risk-taking channel. The application to Germany and the Netherlands shows that countercyclical buffers are more accurate when skewness and kurtosis are considered and the probability of breaching the regulatory threshold is sensitive to macroeconomic signals. Overall, our model seems to be a useful tool for monitoring prudential policy and as a guide to establish countercyclical capital buffers.</p></div>","PeriodicalId":47522,"journal":{"name":"JOURNAL OF ECONOMICS AND BUSINESS","volume":null,"pages":null},"PeriodicalIF":3.3000,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0148619524000158/pdfft?md5=16682eede1a79874eac4b0f972afb9ac&pid=1-s2.0-S0148619524000158-main.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"JOURNAL OF ECONOMICS AND BUSINESS","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0148619524000158","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"BUSINESS, FINANCE","Score":null,"Total":0}
引用次数: 0
Abstract
This paper proposes a new model to estimate the countercyclical bank solvency capital buffer established in Basel III. The model lies in a flexible semi-nonparametric approach to capture the probability distribution of the capital adequacy ratio, but also a stochastic Ornstein–Uhlenbeck process that incorporates components of the cyclical behavior. We measure the risk of breaching the minimum capital threshold that separates the countercyclical capital buffer from other capital components and analyze its relationship with macroeconomic variables such as interest rates, credit levels, and credit-to-GDP gaps. Furthermore, a vector autoregressive model is estimated to test the existence of the bank-capital channel and the risk-taking channel. The application to Germany and the Netherlands shows that countercyclical buffers are more accurate when skewness and kurtosis are considered and the probability of breaching the regulatory threshold is sensitive to macroeconomic signals. Overall, our model seems to be a useful tool for monitoring prudential policy and as a guide to establish countercyclical capital buffers.
期刊介绍:
Journal of Economics and Business: Studies in Corporate and Financial Behavior. The Journal publishes high quality research papers in all fields of finance and in closely related fields of economics. The Journal is interested in both theoretical and applied research with an emphasis on topics in corporate finance, financial markets and institutions, and investments. Research in real estate, insurance, monetary theory and policy, and industrial organization is also welcomed. Papers that deal with the relation between the financial structure of firms and the industrial structure of the product market are especially encouraged.