This paper's objective is to design a laboratory experiment to explore the effect of ambiguity on a subject's search … faced with ambiguity over wage distributions. …

ambiguity induces a significant increase in the performance of men who choose to compete, while we observe no change for women …. Men also increase their willingness to enter competition in the presence of ambiguity. Overall, both effects contribute to … men winning the tournament significantly more often than women under uncertainty and ambiguity. These findings suggest …

We study risk attitudes, ambiguity attitudes, and time preferences of 661 children and adolescents, aged ten to …) and are less likely to save money. Experimental measures for risk and ambiguity attitudes are only weak predictors of …

individuals use this ambiguity strategically as a moral wiggle room to act less generously without feeling guilty. Such excuse … importance of excuse-driven behavior is comparable under ambiguity and under risk. Individuals exploit any type of uncertainty as …

, ambiguity, and competitiveness. Our subjects include migrants and non-migrants. We find that, migrants exhibit no differences … from non-migrants in risk and ambiguity preferences elicited using pairs of lotteries; however, migrants are significantly …