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The Conditions of Economic Progress Get access The Conditions of Economic Progress. By Colin Clark. 1940. (London : Macmillan. xii + 504 pp. 25s.) Arnold Plant Arnold Plant Search for other works by this author on: Oxford Academic Google Scholar International Affairs Review Supplement, Volume 19, Issue 1, June 1940, Pages 36–37, https://doi.org/10.2307/3026172 Published: 01 June 1940
Plant et al. (Sat,) studied this question.