id	keyword
afs-72267	research
afs-72267	research capital
afs-72267	research input
afs-72267	research stock
afs-72267	research variable
afs-72267	production
afs-72267	research expenditures
afs-72267	agricultural
afs-72267	production function
afs-72267	research flow
afs-72267	public
afs-72267	research results
afs-72267	value
afs-72267	total
afs-72267	rate
afs-72267	return
afs-72267	research costs
afs-72267	research elasticity
afs-72267	research production
afs-72267	estimate
afs-72267	extension
afs-72267	research coefficient
afs-72267	inputs
afs-72267	level
afs-72267	variables
afs-72267	lag
afs-72267	study
afs-72267	research benefits
afs-72267	change
afs-72267	productivity
afs-72267	labour
afs-72267	table
afs-72267	fim
afs-72267	aggregate
afs-72267	regression
afs-72267	research research
afs-72267	respect
afs-72267	lags