ambiguity may induce such behaviour.[...] …

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. …

be stable over time. In this paper, we analyze the stability of ambiguity preferences experimentally. We repeatedly … elicit ambiguity attitudes towards multiple 3-color Ellsberg urns over a period of two months. In our data, 57% of the …

(KMM) interpret ambiguity aversion as aversion against second-order risks associated with ambiguous acts. We design an … experiment where the decision maker draws twice with replacement in the typical Ellsberg two-color urns, but with a different … experiments. It appears that the ambiguity premium is partially paid to avoid the ambiguity issue per se, which is distinct from …

A donation may have ambiguous costs or ambiguous benefits. Behavior in a laboratory experiment suggests that … individuals use this ambiguity strategically as a moral wiggle room to act less generously without feeling guilty. Such excuse … excuse-driven behavior is comparable under ambiguity and under risk. Individuals exploit any type of uncertainty as an excuse …

toward multiple‐prior uncertainties in terms of ambiguity and its corresponding compound risk. Our findings point to a shared …

We report a portfolio-choice experiment that enables us to estimate parametric models of ambiguity aversion at the … of ambiguity aversion, one kinked and one smooth, that encompass many of the theoretical models in the literature. Each … specification includes two parameters: one for ambiguity attitudes and another for risk attitudes. We also estimate a three …

experiment and find that subjects act more often in line with consequentialism than with dynamic consistency. …

I experimentally examine whether feedback about others' choices provides an anchor for decision-making under ambiguity … relative ambiguity attitude (compared to the peer's) significantly matters for shifts in individual attitudes, and that … dynamics considerably differ between gain and loss domains. For gains, learning to be comparably ambiguity averse increases the …

This paper provides a systematic analysis of individual attitudes towards ambiguity, based on laboratory experiments …. The design of the analysis allows to capture individual behavior across various levels of ambiguity, ranging from low to … high. Attitudes towards risk and attitudes towards ambiguity are disentangled, providing pure measures of ambiguity …