[Trends and new factors affecting the brain drain from developing countries].

Current trends in brain-drain migration from developing to developed countries are analyzed. "Describing the growing specialisation of and rapid changes in the demand for qualified migrants in developed countries, this study shows that the brain drain phenomenon is increasingly fed by LDCs nationals migrating primarily for studies abroad. The resulting economic and social effects, both for sending and receiving countries, of the brain drains' modern patterns are analysed, as is the current action undertaken by various parties to eradicate this phenomenon." (SUMMARY IN ENG)