¹ Keirstead, B. S., “Economic Man in Relation to His Natural Environment” (Canadian Journal of Economics and Political Science, vol. XV, no. 2, 05, 1949).Google Scholar

² Ibid., p. 232.

³ Ibid.

⁴ Ibid., p. 233.

⁵ Ibid.

⁶ Ibid., p. 235.

⁷ Ibid., p. 233.

⁸ Ibid.

⁹ Ibid.

¹⁰ Economic Man (New York, 1948), p. 1004.Google Scholar

¹¹ Scientific Autobiography (New York, 1949), p. 178.Google Scholar

¹² In fact, one cannot draw a line with respect to any mental process. As Max Planck puts it, “Along the entire ladder of evolution, from the lowest order of life up to Man, there is no point at which one can establish a discontinuity in the nature of mental processes” (ibid., p. 64).

¹³ In Economic Man, p. 658, I say that the operation of “future wants” is essentially “what is called rational”; that is, “dictated by ‘rational’ considerations.”

¹⁴ Macaulay, F. R., Bond Yields, Interest Rates and Stock Prices (New York, 1938).Google Scholar

¹⁵ Scientific Autobiography, p. 13.

¹⁶ Macaulay, makes the same point (Bond Yields, p. 10).Google Scholar

¹⁷ At best that analogy may be far-fetched. For, in spite of the new science of cybernetics, the great British neurophysiologist, Sir Charles Sherrington, thinks that, “between the calculating machine and the human brain there is no basic similarity (see New York Times, Dec. 4, 1949). Of course, ProfessorWiener, Norbert (Cybernetics, New York, 1948)Google ScholarPubMed would dispute that statement.

¹⁸ Principles of Psychology (New York, 1890, 1896), vol. II, pp. 532–4.Google Scholar

¹⁹ Feb., 1949, review of Gandhi’s Autobiography.

²⁰ Principles of Psychology, vol. II, p. 571.Google Scholar

²¹ Ibid., p. 576.

²² Economic Man, App. III F.

²³ Mankind So Far (New York, 1945).Google Scholar

²⁴ Cybernetics, pp. 62-3.

²⁵ In his presidential address on “Economics: Yesterday and Tomorrow?” before Section F of the British Association at the 112th Annual Meeting. See Economic Journal, vol. LIX, 12, 1949, p. 515.Google Scholar