[eng] If the protectionism tended to safeguard an economic activity or to shelter provisionally a new-born industry from foreign competition, it is not the only either principal functions of actual protectionnist policies.. From analysis on the conditions of the first renewal of multifibre...

[eng] The internal variables of the firm are insufficient to explain the competitivity on domestic market or on international market. The relations which are tied between the different actors of economic connection are equally very important. The present work shows how the slight competitivity...

[eng] The analysis of input-output flows is part of more general approach to industrial organization. In this respect, the analysis of labour flows, which has hardly been developed until now, is a useful development of previous analyses of flow of goods and services, or more recently of patents...