id	keyword
ejge-5478	rate
ejge-5478	tax
ejge-5478	revenue
ejge-5478	vat
ejge-5478	european
ejge-5478	model
ejge-5478	vat rate
ejge-5478	portugal
ejge-5478	government
ejge-5478	tax revenue
ejge-5478	rate model
ejge-5478	economics
ejge-5478	journal
ejge-5478	gdp
ejge-5478	december
ejge-5478	tax rate