Notes
- . George Edgin Pugh, The Biological Origin of Human Values (New York: Basic Books, 1977).
- . Edward O. Wilson, Sociobiology: The New Synthesis (Cambridge, Mass.: Harvard University Press, 1975).
- . Richard Dawkins, The Selfish Gene (Oxford: Oxford University Press, 1976).
- . George Edgin Pugh et al., Educational Opportunity: The Concept, Its Measurement and Application (NCES 78–201) (US. National Center for Educational Statistics, Department of Health and Welfare, 1978). My work on the optimal balance of taxation and welfare is in progress.