Taking the 2008 financial crisis as his jumping off point, Alex Pollock deftly illustrates how private firms and governments alike have failed to understand the shifting risks that financial systems create. With candor, clarity, and wit, he uncovers the persistent uncertainties inherent in...

This paper investigates the incentive of credit rating agencies (CRAs) to bias ratings using a semiparametric, ordered-response model. The proposed model explicitly takes conflicts of interest into account and allows the ratings to depend flexibly on risk attributes through a semiparametric...

"Since June 2007, the creditworthiness of structured finance products has deteriorated rapidly. The number of downgrades in November 2007 alone exceeded 2,000 and many downgrades were severe, with 500 tranches downgraded more than 10 notches. Massive downgrades continued in 2008. More than...