We disentangle U.S. credit spreads' evolution into two distinct parts resulting from market risk and default risk influences. We consider credit spreads (versus Treasury yields) as a credit risk proxy and S&P500 stock index as a market/systematic risk proxy. Such data allow for achieving a...

Credit ratings are commonly used by lenders to assess the default risk, because every credit is connected with a possible loss. If the probability of a default is above a certain threshold, a credit will not be provided. The purpose of this paper is to test whether credit ratings contribute...