id	keyword
economy-570	capital
economy-570	growth
economy-570	economic
economy-570	countries
economy-570	gdp
economy-570	human
economy-570	panel
economy-570	education
economy-570	effects
economy-570	region
economy-570	health
economy-570	development
economy-570	data
economy-570	model
economy-570	results
economy-570	investment
economy-570	research
economy-570	formation
economy-570	school
economy-570	infrastructure
economy-570	index
economy-570	journal