1. See John Kenneth Galbraith, “Power and the Useful Economist,” American Economic Review, Vol. 63, March, 1973, pp. 1–11.
2. Also of interest is John Kenneth Galbraith, The Anatomy of Power (Boston: Houghton Mifflin, 1983).
3. Further discussion, in the appropriate historical context, is in Douglas F. Dowd, The Twisted Dream, 2nd ed. (Cambridge: Winthrop, 1977).
4. See John S. Gambs, Beyond Supply and Demand (1946; Westport, CT: Greenwood Press, 1976).
5. Further discussion is in William M. Dugger, “The Shortcomings of Concentration Ratios in the Conglomerate Age,” Journal of Economic Issues, Vol. 19, June, 1985, pp. 343–53.