Factors Affecting the Valuation of Corporate Bonds

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Abstract
The valuation of corporate debt is an important issue in asset pricing. While there has been an enormous amount of theoretical modeling of corporate bond prices, there has been relatively little empirical testing of these models. Recently there has been extensive development of rating based models as a type of reduced form model. These models take as a premise that groups of bonds can be identified which are homogeneous with respect to risk. For each risk group the models require estimates of several characteristics such as the spot yield curve, the default probabilities and the recovery rate. These estimates are then used to compute the theoretical price for each bond in the group. The purpose of this article is to clarify some of the differences among these models, to examine how well they explain prices, and to examine how to group bonds to most effectively estimate prices.