. Subjects have lower WTPs for longshots than for safer lotteries. Under ambiguity, this gap decreases with temporal distance …. Subjects are ambiguity averse, which becomes less pronounced when low-probability lotteries are processed in the future. In a …

. However, it has been speculated that RIS may not be incentive compatible when participants are concerned about ambiguity, i … ambiguity, we conducted three experiments online and in a laboratory. The results of the experiments suggest that RIS is … also argue that using RIS, together with an experimental guideline called Prince, may reduce the observed ambiguity …