The reaction of EU bond and equity market volatilities to sovereign rating announcements (Standard & Poor’s, Moody’s, and Fitch) is investigated using a panel of daily stock market and sovereign bond returns. The parametric volatilities are defined using EGARCH specifications. The estimation...

Seeing the firm as a nexus of activities and projects, we propose a characterization of the firm where variations in the market price of risk should induce adjustments in the firm's portfolio of projects. In a setting where managers disagree with respect to what investment maximizes value,...