id	keyword
ejge-7831	brain
ejge-7831	growth
ejge-7831	brain drain
ejge-7831	u.s
ejge-7831	countries
ejge-7831	country
ejge-7831	economic
ejge-7831	index
ejge-7831	journal
ejge-7831	gdp
ejge-7831	productivity
ejge-7831	european
ejge-7831	government