Based on a formal model of how investments in corporate social responsibility act upon .rm value through goodwill, we derive the hypothesis that under uncertainty, bad news are detrimental to good-will, and subsequently have a negative impact on value. We examine by event study methodology...

This paper examines the performance of US stock portfolios constructed and rebalanced to have different environmental (EV) risk. EV risk is proxied by EV risk ratings from GES Investment Services. Portfolios with high EV risk generate higher raw returns than low EV risk portfolios, but when risk...