competence hypothesis (Heath & Tversky, 1991), this pattern derives from favorable perceptions of one's competence. In most past … tests of the competence hypothesis, ambiguity is confounded with personal controllability and the source of the ambiguity (e … effects of both ambiguity aversion and competence. In Experiment 1, participants preferred an unambiguous chance-based option …

in the domain of risky choice, and many theories of ambiguity aversion deal with ambiguity only in this context. However … choice. Subjects imagine they are expecting a package and must choose between two delivery options. Some delivery times are … service preferred when it was the unambiguous option. Ambiguity aversion is not specific to risk, but can also occur in other …

-sided ambiguity and pure risk. Our results show a significant relationship between individual overconfidence and competence measures …) competence, the perception of feeling knowledgeable or competent in an area and 2) overconfidence, the well documented result … and elicited values of lotteries in a financial decision context. Further, the interaction of overconfidence, competence …

strong overconfidence and illusion of control, particularly for people who assume they have high skill, and that these biases …In many countries, betting in sports is highly regulated. In Germany, however, there are current debates whether … hypothesis in three incentivized online studies on soccer betting (N=214) and provide evidence against two crucial parts of this …