Brain Drain

**Definition:** A phenomenon of concern for migrant-sending countries, particularly for small countries where high-skilled emigration rates are highest. include those with sought after technical, professional and other skills. Economic theory suggests a number of possible benefits, in addition to costs, from skilled emigration. (From https://openknowledge.worldbank.org/handle/10986/3878?show=full).

**Tree numbers:** - I01.240.600.525.500.500 - N01.224.625.525.500.500 - N06.850.505.400.700.525.500.500