The example of a mixed economy company has a land development fraud neglected by the literature: there is widespread fraud, little by little, the top-down by imitation and addiction, in collusion implied. Literature was more interested, in fact, illegal maneuvers in the eyes of the officer or prohibited by law. But she had not modeled the process by which fraud is formed, grows and finds an end. Based on the case of the SEM, we propose a model for the dissemination of fraud and we discuss its possible generalization, while analyzing the appropriateness of traditional measures of fight against fraud.

This article intends to celebrate thirty years of Myriam, this amazing ad campaign that moved the France of 1981 alone, revealing the underside of the eponymous model, according to promise more and more daring: "On September 2, take off the top" "on September 4, I remove the bottom" ... in replaying with care and passion striptease Myriam, the article will show that, thirty years later, this gesture is eternal because with Myriam, there are always below to below. This amazing yarrow advertising allows us to approach (but not to know) the hidden springs of teasing seductions of advertising and commercial curiosity.