We use a laboratory experiment to identify the impact of risk in the private and public dimensions of social investments. In variants of a public good game, we separate the return a subject's investment generates for herself vs. the return to others. We find a detrimental effect of risk on...

This paper examines the effects of uncertainty on an individual's own contribution to the provision of the collective good using an impure public good model. Two types of uncertainty analyzing free-riding behavior are evaluated: (i) uncertainty surrounding the contributions of others to the...