We study a class of interactive decision making situations in which each agent must choose to participate in one of several lotteries with commonly known prizes. In contrast to the widely studied paradigm of choice between gambles in individual decision making under risk, the probability of...

We study consumer decision making in a market with network externalities, in which the utility of a purchase increases with the number of purchasers. While research in this area typically models the consumer as making a binary choice, we propose a new model with continuous individual demand,...

Previous research suggests that human reaction to risky opportunities reflects two contradicting biases: "loss aversion", and "limited level of reasoning" that leads to overconfidence. Rejection of attractive gambles is explained by loss aversion, while counterproductive risk seeking is...