@article {Machado2016,
	title = {Transfer investment on education on a free cost basis: Some evidence from Portugal, Spain, Greece and Italy},
	journal = {Ensaio},
	volume = {24},
	number = {93},
	year = {2016},
	pages = {777-799},
	author = {L. Cerdeira and B. G. Cabrito and M. L. Machado-Taylor and Tom{\'a}s Patroc{\'\i}nio}
}
