We report an experiment to consider the emotional correlates of prudent decision making. In the experiment, we present subjects with lotteries and measure their emotional response with facial recognition software. They then make binary choices between risky lotteries that distinguish prudent...

We develop interpretable, quantitative indices of the objective and subjective complexity of lottery choice problems that can be computed for any standard dataset. These indices capture the predicted error rate in identifying the lottery with the highest expected value, where the predictions are...

Auctions often involve goods exhibiting a common knowledge ex-post risk. Precautionary bidding predicts that under expected utility, ex-post risk leads DARA bidders to reduce their bids by more than the appropriate risk premium. Because the degree of riskiness of the good, and bidders risk...