We explore the pricing of variance risk by decomposing stocks' total variance into systematicand idiosyncratic return variances. While systematic variance risk exhibits a negative priceof risk, common shocks to the variances of idiosyncratic returns carry a large positive riskpremium. This...

This paper examines the role of bond ratings and the effects of rating-based regulations in thecorporate bond market. Exploiting an unanticipated mechanical change in how the benchmarkLehman bond indices are constructed in 2005, we show that rating-induced market segmentationof the bond market...

We explore the pricing of variance risk by decomposing stocks' total variance into systematicand idiosyncratic return variances. While systematic variance risk exhibits a negative priceof risk, common shocks to the variances of idiosyncratic returns carry a large positive riskpremium. This...

This paper documents a new channel for rating-based bond market segmentation which, in contrast to prior research, is based on non-regulatory asset management practices. A 2005 Lehman Brothers index redefinition provides a quasi-natural experiment in which a number of previously high-yield...

We model the financing, cash holdings, and hedging policies of a firm facing financing frictions and subject to permanent and transitory cash flow shocks. We show that permanent and transitory shocks generate distinct, sometimes opposite, effects on corporate policies and use the model to...