We study individual decision making in a lottery-choice task performed by three different populations: gamblers under psychological treatment ("addicts"), gamblers' spouses ("victims"), and people who are neither gamblers or gamblers' spouses ("normals"). We find that addicts are willing to take...

In a four-treatment experiment, we test some of the hypotheses inGarcia-Gallego et al.(2004) concerning competition among a number offirms of which some (or all) are indexed by a price-comparison enginefacilitating buyers' search process. In this paper, we isolateindividual behavior from noise...

We study individual decision making in a lottery-choice task performed by three subject populations: gamblers under psychological treatment (“addicts”), gamblers’ relatives (“victims”), and normal (as far as gambling is considered) individuals. We find that addicts are willing to take...

We experimentally test overconfidence in investment decisions by offering participants the possibility to substitute their own for alternative investment choices. Overall, 149 subjects participated in two experiments, one with just one risky asset, the other with two risky assets. Overconfidence...

We experimentally test overconfidence in investment decisions by offering participants the possibility to substitute their own for alternative investment choices. Overall, 149 subjects participated in two experiments, one with just one risky asset, the other with two risky assets. Overconfidence...