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.

A growing number of investors no longer seeks mainly to earn money by running businesses, but by making transactions on property rights of companies. The purchase and resale of industrial and commercial establishments are moments where large sums of money are exchanged quickly and in which fortunes are made ​​and unmade. What are the consequences of these changes in ownership on the constant long-term development of the institutions concerned and prosperity (or decline) of their stakeholders (employees, customers, suppliers, small investors and local) ? We propose here to examine these issues from the case study of European investment in the Brazilian bioethanol.