High-skilled workers are four times more likely to migrate than low-skilled workers. This skill bias in migration … bias in migration significantly increases welfare in most receiving countries. Moreover, due to a more efficient global … that more - not less - high-skilled migration would increase world welfare. …

. Nonetheless, while BD has been studied extensively, AD drain has not. I examine migration's impact on ability (a), education (h …), which combines PS and VS (e.g., Canada, 2015+). I find that i) Migration reduces (raises) source country residents …