Cet article explore une nouvelle et unique source d'évaluation sociale: un marché pour des corps. Sur internet, on trouve un grand nombre de mondes synthétiques que les utilisateurs visitent en se servant d'un corps virtuel, le soi-disant avatar. Les avatars ont une valeur réelle puisque les...

From EverQuest to World of Warcraft , online games have evolved from the exclusive domain of computer geeks into an extraordinarily lucrative staple of the entertainment industry. People of all ages and from all walks of life now spend thousands of hours—and dollars—partaking in this popular...

Currently, economists' models of the evolutionary selection of utility function parameters are generally based on two assumptions. First, it is assumed that utility parameters must serve Darwinian fitness, in the sense that individuals who maximize utility are also maximizing their biological...