1. Breton, Albert, “The Provision of Public Goods and the Stability of Federalism,” an unpublished manuscript.
2. Bunchanan, James,Public Finance in Democratic Process. Chapel Hill: University of North Carolina Press, 1967.
3. ——, and Tullock, Gordon,The Calculus of Consent. Ann Arbor: University of Michigan Press, 1962.
4. Davies, David G., “An Empirical Test of Sales Tax Regressivity,”Jour. Pol. Econ. 67 (Feb.1959): 72–78.
5. Downs, Anthony,An Economic Theory of Democracy. New York: Harper & Row, 1957.