an experiment to test the hypothesis that this asymmetric flow of information leads agents to search too little. I find …

, we show that bidders who have regret concerns when they lose an auction may alter their bids. Whether or not information … about the winning bid is disclosed, all losing bidders regret not bidding 0. However, when feedback on the winning bid is … provided, those bidders who lost at an affordable price may regret not bidding more. We show that the former effect causes …

toward equal, sharing. Here, we tested the hypothesis that it is regret—both material and strategic—which determines, how … players adapt their behavior. We conducted a repeated ultimatum game experiment with, randomly changing strangers. One … the median outcomes in the population. We find that regret is a good predictor of the dynamics of play, in particular of …