id	keyword
dem-5673	threshold
dem-5673	emissions
dem-5673	run
dem-5673	energy
dem-5673	gas
dem-5673	greenhouse
dem-5673	ekc
dem-5673	model
dem-5673	cointegration
dem-5673	adjustment
dem-5673	capita
dem-5673	consumption
dem-5673	results
dem-5673	tar