Studies have frequently found that women are more risk averse than men. In this paper, we depart from usual practice in economics that treats risk attitude as a primitive, and instead adopt a neuroeconomic approach where risk attitude is determined by the reference point which can be easily...

When asset returns are unstable, investment performance directly depends on learning about their patterns optimally. Without optimal learning, strong investment performance is not possible. Yet, optimal learning is often considered too complex for investors to achieve. In order to test this...

It is increasingly recognized that decision making under uncertainty does not depend only on probabilities, but also on psychological factors. People display ambiguity aversion in preferring to bet on events with known probabilities rather than those for which probabilities are not known. People...

We explore how risk-taking in the card game contract bridge, and in a financial gamble, correlate with variation in the dopamine receptor D4 gene (DRD4) among serious tournament bridge players. In bridge risk-taking, we find significant interactions between genetic predisposition and skill....