Recent studies in general are positive regarding the effectiveness of US counterinsurgency programs in Iraq. The right mix of coercion, ethnic strategy, and public goods provision, it is argued, makes Iraqis less likely to rebel against the US army and the Iraqi government, thus reducing...

We study endogenous group formation in tournaments employing experimental three-player contests. We find that players in endogenously formed alliances cope better with the moral hazard problem in groups than players who are forced into an alliance. Also, players who are committed to expending...