id	keyword
hassl-3701	capital
hassl-3701	plant
hassl-3701	human
hassl-3701	workers
hassl-3701	study
hassl-3701	spillovers
hassl-3701	productivity
hassl-3701	capital spillovers
hassl-3701	region
hassl-3701	effect
hassl-3701	production
hassl-3701	tech
hassl-3701	nonproduction
hassl-3701	level
hassl-3701	plant productivity
hassl-3701	industries
hassl-3701	nonproduction workers
hassl-3701	number