1. Bergstrom, T., and Goodman, R. (1973). Private demand for public goods. American Economic Review, June: 286?296.
2. Borcherding, T., and Deacon, R. (1972). The demand for services of non-federal governments. American Economic Review, December: 891?901.
3. Epple, D., and Zelenitz, A. (1981). The implications of competition among jurisdictions: Does Tiebout need politics? Journal of Political Economy, December: 1197?1217.
4. Tiebout, C. (1956). A pure theory of local expenditures. Journal of Political Economy, December: 416?424.
5. Tullock, G. (1967). Toward a mathematics of politics. Ann Arbor: University of Michigan Press.