In intergroup contests a manager advises and motivates her group's members. Her rewards often depend on the subsequent contest expenditure of the members. I test whether such incentives undermine the credibility and effectiveness of a manager's efforts. In the different experimental treatments...

In Geng, Weiss, and Wolff(2011), we pointed to the possibility that a voting mechanism may create or strengthen an entitlement effect in political-power holders relative to a random-appointment mechanism. This comment documents that such an effect, if it exists, is not robust.