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...

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 partic- ipants the possibility to substitute their own for alternative investment choices. Overall, 149 subjects participated in two experiments, one with just one risky as- set, the other with two risky assets....

This study is furtherance of a previous study to relate an individual’s degree of Internet addiction with his/her psychological characteristics of escape and excess and the attitude toward behaviour. These characteristics were proposed because escape and excess had been shown statistically in...

Persuasion models that are currently used in prevention campaigns to fight gambling addiction largely ignore two facts. First, prevention campaign objectives compete with those of gambling corporations and, second, commercial advertising budgets are much larger than those of prevention. We...

Social concern is increasing about the perceived negative effects from consuming a number of legal products including gambling, alcohol, and food. This study uses data from a clinic treating gambling and other behavioral disorders to test the theory that different motivations may exist in the...