Introduction
Over the past few years in the news and regular editions appear headlines with the words "rating agencies" and "credit ratings". These publications have reported increased or decreased credit ratings, as entire countries and individual companies. Last hype about the actions of rating agencies took place in the midst of the 2008 crisis. By themselves, the rating agencies are commercial organizations that are engaged in the study of the quality of asset management, assessment of the issuer's solvency, risk analysis for potential investors, and many others. At the moment, there are more than 100 credit rating agencies, the most Continue reading...