Often in cooperative situations, many aspects of the decision-making environment are uncertain. We investigate how cooperation is shaped by the way information about risk is presented (from description or from experience) and by differences in risky environments. Drawing on research from risky...

We test for skewness preferences in a large set of observational panel data on online poker games (n=4,450,585). Each observation refers to a choice between a safe option and a binary risk of winning or losing the game. Our setting offers a real-world choice situation with substantial incentives...

Social lotteries are lotteries that are played along with someone else. The experimental literature indicates that risk attitudes depend on how one’s situation in the safe alternative compares to that of a peer. Evaluation of the risky alternative also depends on whether the lottery gives...