-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 …

Overconfidence is one of the most ubiquitous cognitive bias. There is copious evidence of overconfidence being relevant … overconfidence. Cognitive uncertainty represents a decision maker's uncertainty about her action optimality. We present a simple … model of overconfidence based on the concept of cognitive uncertainty. The model relates the concepts theoretically and …

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 …