contributions. This paper presents experimental results illustrating that the effects of risk and uncertainty depend on the employed … efficiency gains, the presence of risk and uncertainty about the public good's value is not detrimental to cooperation. This … ?nding casts doubt on the hypothesis that risk and uncertainty, per se, weaken people's willingness to contribute. …

contributions. This paper presents experimental results illustrating that the effects of risk and uncertainty depend on the employed … efficiency gains, the presence of risk and uncertainty about the public good's value is not detrimental to cooperation. This … ?nding casts doubt on the hypothesis that risk and uncertainty, per se, weaken people's willingness to contribute. …

Often in cooperative situations, many aspects of the decision-making environment are uncertain. We investigate how … stochastic social dilemmas than in the lotteries. The findings highlight how an uncertain environment shapes cooperation and call …

laboratory environment. Absentmindedness is manipulated in two ways. In one treatment, it is induced by cognitively overloading …