In Hong Kong, the "Admission of Talents Scheme" (1999) and "The Admission of Mainland Professionals Scheme" (May 2001) allow mainlanders to enter it for 12 month periods, if they:
"Possess outstanding qualifications, expertise or skills which are needed but not readily available in Hong Kong. They must have good academic qualifications, normally a doctorate degree in the relevant field."
According the January 2002 issue of "Migration News", even now, with unemployment running at almost 6%, the US H1-B visa program allows 195,000 foreigners with academic degrees to enter the US for up to 6 years and "upgrade" to immigrant status while in residence. Many H1-B visas were cancelled due to the latest economic slowdown - but the US provides other kinds of visas (E type) to people who invest in its territory by, for instance, opening a consultancy.
Germany has absorbed 10,000 computer programmers (mainly from India and Eastern Europe) since July 2000. Ireland was planning to import twenty times as many over 7 years - before the dotcoms bombed. According to "The Economist", more than 10,000 teachers have left Ecuador since 1998. More than half of all Ghanaian medical doctors have emigrated (120 in 1998 alone). More than 60% of all Ethiopian students abroad never return. There are 64,000 university educated Nigerians in the USA alone. More than 43% of all Africans living in North America have acquired at least a bachelor's degree.
Barry Chiswick and Timothy Hatton demonstrated ("International Migration and the Integration of Labour Markets", published by the NBER in its "Globalisation in Historical Perspective") that, as the economies of poor countries improve, emigration increases because people become sufficiently wealthy to finance the trip.
Poorer countries invest an average of $50,000 of their painfully scarce resources in every university graduate - only to witness most of them emigrate to richer places. The haves-not thus end up subsidizing the haves by exporting their human capital, the prospective members of their dwindling elites, and the taxes they would have paid had they stayed put. The formation of a middle class is often irreversibly hindered by an all-pervasive brain drain.
Politicians in some countries decry this trend and deride those emigrating. In a famous interview on state TV, the late prime minister of Israel, Yitzhak Rabin, described them as "a fallout of the jaded". But in many impoverished countries, local kleptocracies welcome the brain drain as it also drains the country of potential political adversaries.
Emigration also tends to decrease competitiveness. It increase salaries at home by reducing supply in the labour market (and reduces salaries at the receiving end, especially for unskilled workers). Illegal migration has an even stronger downward effect on wages in the recipient country - illegal aliens tend to earn less than their legal compatriots. The countries of origin, whose intellectual elites are depleted by the brain drain, are often forced to resort to hiring (expensive) foreigners. African countries spend more than $4 billion annually on foreign experts, managers, scientists, programmers, and teachers.
Still, remittances by immigrants to their relatives back home constitute up to 10% of the GDP of certain countries - and up to 40% of national foreign exchange revenues. The World Bank estimates that Latin American and Caribbean nationals received $15 billion in remittances in 2000 - ten times the 1980 figure. This may well be a gross underestimate. Mexicans alone remitted $6.7 billion in the first 9 months of 2001 (though job losses and reduced hours may have since adversely affected remittances). The IADB thinks that remittances will total $300 billion in the next decade (Latin American immigrants send home c. 15% of their wages).
Official remittances (many go through unmonitored money transfer channels, such as the Asian Hawala network) are larger than all foreign aid combined. "The Economist" calculates that workers' remittances in Latin America and the Caribbean are three times as large as aggregate foreign aid and larger than export proceeds. Yet, this pecuniary flood is mostly used to finance the consumption of basics: staple foods, shelter, maintenance, clothing. It is non-productive capital.
Only a tiny part of the money ends up as investment. Countries - from Mexico to Israel, and from Macedonia to Guatemala - are trying to tap into the considerable wealth of their diasporas by issuing remittance-bonds, by offering tax holidays, one-stop-shop facilities, business incubators, and direct access to decision makers - as well as matching investment funds.
Migrant associations are sprouting all over the Western world, often at the behest of municipal authorities back home. The UNDP, the International Organization of Migration (IOM), as well as many governments (e.g., Israel, China, Venezuela, Uruguay, Ethiopia), encourage expatriates to share their skills with their counterparts in their country of origin. The thriving hi-tech industries in Israel, India, Ireland, Taiwan, and South Korea were founded by returning migrants who brought with them not only capital to invest and contacts - but also entrepreneurial skills and cutting edge technologies.
Thailand established in 1997, within the National Science and Technology Development Agency, a 2.2 billion baht project called "Reverse the Brain Drain". Its aim is to "use the 'brain' and 'connections' of Thai professionals living overseas to help in the Development of Thailand, particularly in science and technology."
The OECD ("International Mobility of the Highly Skilled") believes that:
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