1. E. J. Mishan, “The Postwar Literature on Externalities: An Interpretative Essay,” Journal of Economic Literature, Vol. 9 (March 1971), 1–28.
2. A. V. Kneese, Economics and the Quality of the Environment – Some Empirical Experiences, Reprint Number 71 (Washington, DC: Resources for the Future, 1968), p. 172.
3. B. A. Weisbrod, “Collective-Consumption Services of Individual-Consumption Goods,” Quarterly Journal of Economics, Vol. 78 (Aug. 1964), 471–77.
4. C. J. Cicchetti and A. M. Freeman III, “Option Demand and Consumer Surplus: Further Comment,” Quarterly Journal of Economics, Vol. 85 (Aug. 1971), 528–39.
5. K. J. Arrow and R. C. Lind, “Uncertainty and the Evaluation of Public Investment Decisions,” American Economic Review, Vol. 60 (June 1970), 364–78.