No abstract

The development strategies of large companies are marked, after the beginning of the '90s, by two major evolutions as compared to the industrial and financial consolidation processes: on the one hand, the activities refocusing on basic materials, and on the other hand, the acceleration of the internationalization of activities connected to the market globalization. These evolutions are mostly the consequences of a logical upheaval of portfolio selection. Such an approach has led to privileges within priorities of choosing investment sectors before the geographical choice(