Christiano, T.2003. Is democracy merely a means to social justice? In Real libertarianism assessed: Political theory after Van Parijs, ed. A. Reeve and A. Williams, 172-200. Houndmills: Palgrave Macmillan.
2.
Hacker, J. S.2002. The divided welfare state. The battle over public and private social benefits in the United States. Cambridge, UK: Cambridge University Press.
3.
Howard, C.1997. The hidden welfare state. Tax expenditures and social policy in the United States. Princeton: Princeton University Press.
