This paper uses entrepreneurs’survival expectations around the time of market entry and subsequent venture exits to study entrepreneurial optimism. Using data on a large number of nascent entrepreneurs in the US and start-ups in Finland, we find that new entrepreneurs survival beliefs are on...

This paper investigates the relationship between market overconfidence and occurrence of stock-price bubbles. Sixty participants traded stocks in ten experimental asset markets. Markets were constructed on the basis of subjects’ overconfidence: The most overconfident subjects form high...

How does overconfidence arise and persist in the face of experience and feedback? We examine experimentally how individuals' beliefs about their absolute, as opposed to relative, performance on a quiz react to noisy, but unbiased, feedback. Participants believe themselves to have received...

How does overconfidence arise and how does it persist in the face of experience and feedback? In an experimental setting, we examine how individuals’ beliefs about their own performance on a quiz react to noisy, but unbiased feedback. In a control treatment, each participant expresses her...