victims' market in a collective reputation framework. By analyzing three types of individuals who signal their victim status …

to defraud his customers when the expert can build up reputation. We show that the level of fraud is significantly higher … customers. As experts provide both diagnosis and treatment, this leaves scope for fraud. We experimentally investigate how … competition. More customer information does not necessarily decrease the level of fraud. …

to defraud his customers when the expert can build up reputation. We show that the level of fraud is significantly higher … customers. As experts provide both diagnosis and treatment, this leaves scope for fraud. We experimentally investigate how … competition. More customer information does not necessarily decrease the level of fraud. …