Brain drain or human capital flight is a large emigration of individuals with technical skills or knowledge, normally due to conflict, lack of opportunity, political instability, or health risks. A brain drain is usually regarded as an economic cost, since emigrants usually take with them the fraction of value of their training sponsored by the government. It is a parallel of capital flight whi...

Britain is undoubtedly home to some of the world's leading researchers but there are widespread rumblings of dissatisfaction about the conditions many people face and a continuing trickle of top-level scientists leave for posts overseas as a result. While talk of a 'brain-gain' is never officially acknowledged, the problem has been serious enough to merit action by the funding bodies to try to ...

The existing brain drain literature has found various mechanisms through which the high-skilled South-to-North migration affects developing economies. However, some of the newfound effects remain disputable due to limited evidence. This paper aims to provide suggestive guidelines for future research by identifying the mechanisms that can generate larger economic impacts at the aggregate. The an...