background: high prevalence of risky behaviors in alcohol dependents have been shown in several studies, but correlation between alcohol abuse and risky behaviors and relapse in patients with opiate dependence has been less investigated. this study aimed to determine the effect of alcohol abuse in rate of risk-taking behaviors in opiate dependents patients treated on maintenance program in nort...

I investigate the relation between firm risk and firm transparency over the period 1992-2006 and find that the level of firm transparency and the level of firm risk are negatively related. I also find that higher CEO pay-performance sensitivity (delta) works to mitigate this inverse relationship. This result is consistent with Hermalin and Weisbach (2007) who suggest that managers reduce risk t...

Management incentive contracts are postulated to alleviate the principal-agent conflict in the widely-held firms. This paper studies the effect of changes in CEO pay-performance sensitivity (delta), stock option convexity (vega) and performance-contingent pay on changes in firm excess value for the US public companies that undergo non-cash divestitures (spin-offs) during the 1992-2006 period. F...