id	keyword
bae-9928	r&d
bae-9928	productivity
bae-9928	research
bae-9928	data
bae-9928	economics
bae-9928	et al
bae-9928	tfp
bae-9928	european
bae-9928	public
bae-9928	countries
bae-9928	investments
bae-9928	impact
bae-9928	expenditure
bae-9928	agriculture
bae-9928	ror
bae-9928	results