id	keyword
ejpam-2949	forecast
ejpam-2949	forecasting
ejpam-2949	granger
ejpam-2949	error
ejpam-2949	economic
ejpam-2949	loss
ejpam-2949	combination
ejpam-2949	journal
ejpam-2949	clements
ejpam-2949	model
ejpam-2949	time
ejpam-2949	linear