The impact of exposure to a major unanticipated natural disaster on the evolution of survivors' attitudes toward risk … to take on risk relative to those not directly exposed to the tsunami. These differences are short-lived: starting a year … later, there is no evidence of differences in willingness to take on risk between the two groups. These conclusions hold for …

We distinguish the measure of risk aversion from the slope coefficient in the linear relationship between the mean … excess return on a stock index and its variance. Even when risk aversion is constant, the latter can vary significantly with …