Key Points and Developing Trend Research of Foreign Bond Credit Rating

Public credit rating analysis is a hot topic of current research,but the theory research and practice of the bond credit rating is still in its infancy in our country.First of all,we studied the use of credit ratings and its importance,describes the types of credit ratings and the step of credit rating in foreign country.Through the analysis of credit rating we studied the main points of credit rating.On the basis of this,we analyzed the status quo of two means: statistical methods and artificial intelligence methods,which is applied in the research of credit ratings.Recent studies suggest that artificial intelligence methods outperform the traditional statistical methods in credit rating.Through the analysis of credit rating method,we have come to the shortcomings and developing trend in credit rating research in foreign country.