Using Rating in Regulation Practice

This master thesis deals with the issue of using rating in the context of determining capital requirements. The focus is on using the Standardised Approach and the Internal Rating-Based Approach to calculate credit risk capital requirements. Different approaches to managing the risk and evaluating the capital adequacy. Criticism of rating agencies as well as the complexity of Internal Rating-Based Approach is taken into account. Furthermore, the thesis discusses the issue of responsibility of external rating agencies for their evaluations, and together with the issue of lacking competition. Various alternatives to external rating are discussed. The internal rating process is discussed in more detail along with the factors which affect rating evaluations of exposures to various entities. Subsequently, the thesis focuses on determining the rate of provision for impairment expected losses on receivables, and a possible impact of accepting IFRS 9 on capital adequacy.