1. These data are from Joseph Pechman and Benjamin Okner, “Individual Income Tex Erosion by Income Classes,” a paper prepared for the United States, joint Economic Committee, Compendium of papers on the Economics of Federal Subsidy Programs, January 14, 1972
2. Source: “Tax Roform_— Statement on Introduced Bill and Joint Resolutions,”Congressional Record, Proceedings of the 92nd Congress, Second Session, Vol. 118, No. 43, March 25, 1972.
3. Burton A. Weishred,External Benefits of Public Education (Princeton: Princeton University, Industrial Relations Section, 1964), pp. 96, 98 and A. Campbell, W. Miller, P. Converse, and D. Stokes,The American Veter (New York: John Wiley, 1960), pp. 478, 495.
4. S. Bowles and H. M. Levin, “The Determinants of Scholastic Achievement An Appraisal of Some Recont Evidence,”The Journal of Human Resources, Vol. II, No. 1, Winter 1968, pp. 3–24.
5. John Stubbs, M.D., “Testimony Before the Senate Subcommittee on the Health Care Crisis in America, April 6, 1971,” inHealth Care Crisis in America, 1971, Part 4, March 4, 15, 16, 1971 (U.S. Government Printing Office, 1971