CULLIS, J.; JONES, P. The Welfare Economics of Public Sector Targets: Towards an ’Expenditure Constitution’. Economic Issues, [S. l.], v. 12, n. 1, p. 1–14, 2007. Disponível em: http://economicissues.org.uk/index.php/EI_OJS/article/view/133. Acesso em: 23 oct. 2026.