1. Harry G Frankfurt, “Coercion and Moral Responsibility,” in Ted Honderich, ed., Essays on Freedom of Action (London: Routledge, 1972), p. 75.
2. Willard Gaylin, “On the Borders of Persuasion: A Psychoanalytic Look at Coercion,” Psychiatry 37, 1974, pp. 1–8.
3. See Robert Stevens, “Coercive Offers,” Australiasian Journal of Philosophy 66:1, 1988
4. Robert Nozick, “Coercion,” in Sidney Morgenbesser, Patrick Suppes and Morton White, eds., Philosophy, Science, and Method: Essays in Honor of Ernest Nagel (New York: St. Martin’s Press, 1969). See also David Zimmerman, “Coercive Wage Offers,” Philosophy and Public Affairs 10:1, 1981; Lawrence Alexander, “Zimmerman on Coercive Wage Offers,” Philosophy and Public Affairs 12:1, 1983; Kristjan Kristjansson, “Freedom, Offers, and Obstacles,” American Philosophical Quarterly 29:1, 1992; and Stevens, op. cit., p. 86.
5. Frankfurt, op. cit., pp. 68–69.