An original data set on international migration by educational attainment for 1990 and 2000 is used to analyze the determinants of brain drain from developing countries. The analysis starts with a simple decomposition of the brain drain in two multiplicative components, the degree of openness of sending countries (measured by the average emigration rate) and the schooling gap (measured by the education level of emigrants compared with natives). Regression models are used to identify the determinants of these components and explain crosscountry differences in the migration of skilled workers. Unsurprisingly, the brain drain is strong in small countries that are close to major Organisation for Economic Cooperation and Development (OECD) regions, that share colonial links with OECD countries, and that send most of their migrants to countries with quality-selective immigration programs. Interestingly, the brain drain increases with political instability and the degree of fractionalization at origin and decreases with natives' human capital. JEL classification codes: F22, O15, J24 The international migration of skilled workers (the so-called brain drain) has attracted considerable attention. Industrial countries such as Canada, Germany, and the United Kingdom worry about the emigration of their talented workers, but it is the detrimental consequences of the brain drain for developing countries that are usually stressed in the literature. By depriving developing countries of human capital, one of their scarcest resources, brain drain is usually seen as a drag on economic development. Yet recent theoretical studies emphasize several compensatory effects, showing that a limited but positive skilled emigration rate can be beneficial for sending countries (
L’objectif de cette étude est de mettre en évidence l’influence des motivations de contrainte et volontaires sur le choix sectoriel de l’individu. Pour ce faire, nous utilisons un échantillon de 538 créateurs d’entreprises. À l’issue de notre étude, deux constats émergent. Premièrement, nos résultats indiquent qu’il existe bien entre les différents secteurs d’activité des sensibilités significativement différentes par rapport aux motivations de contrainte ou volontaires. Deuxièmement, notre recherche montre clairement que les motivations de contrainte et volontaires ont un impact significatif sur le choix sectoriel réalisé par l’individu. Les secteurs du commerce, de l’Horeca1 et des services, par exemple, correspondent davantage à un entrepreneuriat contraint et les secteurs de la finance, de l’industrie ou de la santé, à un entrepreneuriat volontaire.
Entrepreneurs have often been considered as either belonging to the necessity or to the opportunity category based on their motivations when they started their organization. However, the necessity/opportunity entrepreneurship dichotomy is too limiting and the boundary between opportunity and necessity is certainly not as clear-cut as it is assumed. Moreover, the interpretation of the entrepreneurial motivation must be considered as a product of the interaction between a specific situation and a specific individual. Depending on the individual’s characteristics, the same motivation could be interpreted either as a necessity motivation or as an opportunity motivation. In this paper, based on an original dataset of 538 Belgian nascent entrepreneurs, we thus explore the impact of entrepreneurs’ background and socio-economic characteristics on the way they position themselves on the necessity–opportunity axis. We point out that individuals who become involved in an entrepreneurial process have encountered a situation of necessity and/or opportunity and that the latter can take various forms. We show the impact of the socio-economic characteristics of entrepreneurs on the alignment of their project with a necessity or opportunity entrepreneurial dynamic. The existence of sub-profiles of entrepreneurs within the necessity–opportunity typology is also highlighted. We stress, for instance, that not all jobseekers are necessity entrepreneurs and that new venture creation based on family influence may convey both a necessity and an opportunity dimension. Finally, our study reveals a new kind of entrepreneurship, i.e., hobby entrepreneurship.
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