We test if issuers of asset- and mortgage-backed securities receive rating favors from agencies with which they maintain strong business relationships. Controlling for issuer fixed effects and a large set of credit risk determinants, we show that agencies publish better ratings for those issuers...

This paper develops a signalling game in which the decision to raise public equity is a real option of the firm. Firms may use multiple signals to reveal their type: the timing of the IPO, the fraction of shares issued and the underpricing of shares. The model provides a tractable approach for...