- G. D. A. MacDougall, "British and American Exports: A Study Suggested by the Theory of Comparative Costs," Economic Journal, December 1951 (Part I: pp. 697–724) and September 1952 (Part II: pp. 487–521). Reprinted in R. E. Caves and H. G. Johnson, Readings in International Economics (Homewood, Ill.: Irwin, 1968), pp. 553–578.
- R. M. Stern, "British and American Productivity and Comparative Costs in International Trade," Oxford Economic Papers, October 1962, pp. 275–296.
- B. Balassa, "An Empirical Demonstration of Classical Comparative Cost Theory," Review of Economics and Statistics, August 1963, pp. 231– 238.
- S. S. Golub and C. T. Hsieh, "The Classical Ricardian Theory of Comparative Advantage Revisited," Review of International Economics, May 2000.
Source: Salvatore, International Economics