1. Bertola, Giuseppe (1998): Macroeconomics of Distribution and Growth. EUI Working Paper ECO No. 98/39. Florenz.
2. Dullien, Sebastian/Herr, Hansjörg/Kellermann, Christian (2009): Der gute Kapitalismus. Bielefeld.
3. Dullien, Sebastian/Herr, Hansjörg/Kellermann, Christian (2011): Decent Capitalism. London.
4. Friedman, Milton (1966): Th e Methodology of Positive Economics. In: Friedman, Milton: Essays in Positive Economics. Chicago, S. 3–16.
5. Keynes, John Neville (1891): Th e Scope and Method of Political Economy. London.