Hwang, Sung-Ha; Bowles, Samuel - In: Journal of Economic Behavior & Organization 83 (2012) 3, pp. 330-341
cooperation may be less than additive. Using a utility function embodying both reciprocity and altruism we show that unconditional … altruism attenuates the punishment motive and thus may reduce the level of punishment inflicted on defectors, resulting in … lower levels of contribution. Increases in altruism may also reduce the level of benefits from the public project net of …