Boix , C. (1998) Political Parties, Growth and Equality: Conservative and Social Democratic Strategies in theWorld Economy. New York: Cambridge University Press.
2.
Grubb, N. AND Lazerson, M. (2004) The Education Gospel.The Economic Power of Schooling . Cambridge: Harvard University Press.
3.
Iversen , T. AND Soskice, D. (2001) `An Asset Theory of Social Policy Preferences' , American Political Science Review95: 875-93.