We study the correlation of choice under risk in Holt-Laury lotteries for gains and losses with gender, the use of … the digit ratio (2D:4D) in more than 200 subjects. In males, salivary testosterone is negatively correlated with risk … aversion for gains only. In females, salivary cortisol is positively correlated with risk aversion for gains only. No other …

The paper clarifies the link between changes in risk aversion and the effect on the consumption discount rate. In a … rate to a change in risk aversion depends on some fundamental properties of the considered uncertainties. The application … of this general result to specific forms of uncertainty extends existing results to more general forms of risk and yields …

risk aversion and that decisions are insensitive (robust) to the precise assignment of prior probabilities. This holds …

performing agent must beat the second best to receive the winner prize. We analyze a tournament with two risk averse agents …