In this paper we argue that book-to-market and size attributes represent sensitivities of firm returns to several risk factors, and in so doing they subsume the information in other attributes. Although this gives them high cross-sectional explanatory power, they are not very indicative if we...

This paper analyses the effects of different model specifications.

The aim of the paper is to analyse the effects of different model specifications, within a general nested framework, on the valuation of defaultable bonds, and some credit derivatives. Assuming that the primitive variables such as the risk-free short rate, and the credit spread are affine...