The Economic Consequences of “Brain Drain” of the Best and Brightest : Microeconomic Evidence from Five Countries
Brain drain has long been a common concern for migrant-sending countries, particularly for small countries where high-skilled emigration rates are highest. However, while economic theory suggests a number of possible benefits, in addition to costs,...
Main Authors: | , |
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Format: | Policy Research Working Paper |
Language: | English |
Published: |
2012
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Subjects: | |
Online Access: | http://www-wds.worldbank.org/external/default/main?menuPK=64187510&pagePK=64193027&piPK=64187937&theSitePK=523679&menuPK=64187510&searchMenuPK=64187283&siteName=WDS&entityID=000158349_20100803134804 http://hdl.handle.net/10986/3878 |
Summary: | Brain drain has long been a common
concern for migrant-sending countries, particularly for
small countries where high-skilled emigration rates are
highest. However, while economic theory suggests a number of
possible benefits, in addition to costs, from skilled
emigration, the evidence base on many of these is very
limited. Moreover, the lessons from case studies of benefits
to China and India from skilled emigration may not be
relevant to much smaller countries. This paper presents the
results of innovative surveys which tracked academic
high-achievers from five countries to wherever they moved in
the world in order to directly measure at the micro level
the channels through which high-skilled emigration affects
the sending country. The results show that there are very
high levels of emigration and of return migration among the
very highly skilled; the income gains to the best and
brightest from migrating are very large, and an order of
magnitude or more greater than any other effect; there are
large benefits from migration in terms of postgraduate
education; most high-skilled migrants from poorer countries
send remittances; but that involvement in trade and foreign
direct investment is a rare occurrence. There is
considerable knowledge flow from both current and return
migrants about job and study opportunities abroad, but
little net knowledge sharing from current migrants to home
country governments or businesses. Finally, the fiscal costs
vary considerably across countries, and depend on the extent
to which governments rely on progressive income taxation. |
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