1. Efficiency and equity in the optimal supply of a public good;Aaron;Review of Economics and Statistics,1969
2. An economic theory of clubs;Buchanan;Economica,1965
3. External diseconomies in competitive supply;Buchanan;American Economic Review,1971
4. Private good, externality, public good;Evans;Scottish Journal of Political Economy,1970
5. Public goods, private goods, and ambiguous goods;Head;Economic Journal,1969