Hwang, Sung-Ha; Bowles, Samuel - Research Institute for Market Economy, Sogang University - 2011
feel hostility towards free riders and enjoy in?icting harm on them, the incentives provided by the anticipated punishment … altruism attenuates the punishment motive and thus may reduce the level of punishment in?icted on defectors, resulting in lower … contribution costs and punishment costs. The range over which altruism inhibits cooperation and reduces material payo¢´s is greater …