Lionel Robbins (1932, 1935, 2nd ed.). An Essay on the Nature and Significance of Economic Science, London: Macmillan. Links for 1932 HTML and 1935 facsimile.
Discussed further in Lionel Robbins, 1938, "Interpersonal Comparisons of Utility: A Comment," Economic Journal, 48(192), pp. 635-641.
• Roger E. Backhouse and Steven G. Medema (2009). "Defining Economics: The Long Road to Acceptance of the Robbins Definition," Economica, 76(302), Conclusions. [805–820. • George J. Stigler, 1984. "Economics—The Imperial Science?" Scandinavian Journal of Economics, 86(3), pp. 301-313.
scribd.com
Lionel Robbins (1932, 1935, 2nd ed.). An Essay on the Nature and Significance of Economic Science, London: Macmillan. Links for 1932 HTML and 1935 facsimile.
Roger E. Backhouse and Steven G. Medema (2009). "Defining Economics: The Long Road to Acceptance of the Robbins Definition," Economica, 76(302), pp. 805-806. [805–820.
• Roger E. Backhouse and Steven G. Medema (2009). "Defining Economics: The Long Road to Acceptance of the Robbins Definition," Economica, 76(302), Conclusions. [805–820. • George J. Stigler, 1984. "Economics—The Imperial Science?" Scandinavian Journal of Economics, 86(3), pp. 301-313.