3Richard A. Musgrave. 1994. Progressive Taxation, Equity and Tax Design, in Chapter 10 of Tax Progressivity and Income In- equality (Joel Slemrod eds) Ann Arbor.University of Michigan, 341 -356.
5Martin Weitzman. 1984. The Share Economy. Cambridge/Massachusetts. Harvard University Press .
6Luis 0 Kelso. 1956. The Distributive Dynamics of Capitalism. Self- published, 2nd edition, 2 -6.
7Arthur Cecil Pigou. 1920. The Economics of Welfare. London. Macmillan and Co, 35 -51.
8Keynes, John Maynard. 1936. The General Theory of Employment, Interest and Money, London.Macmillan, 303.
9James M. Buchanan,Richard A. Musgrave. 1999. Public Finance and Public Choice. Two Contrasting Visions of the State. Cambridge. The MIT Press, 103 - 129.