European „Ghost Airports": EU Law Failure or Policy Failure? The Need for Economic Analysis in State Aid Law. Polish Yearbook of International Law, [S. l.], v. 37, p. 163–184, 2017. DOI: 10.7420/pyil2017g. Disponível em: https://czasopisma.inp.pan.pl/index.php/pyil/article/view/2427. Acesso em: 28 oct. 2025.