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Journal Article INTERNATIONAL TRADE AND TECHNICAL CHANGE Get access M. V. POSNER M. V. POSNER Pembroke CollegeCambridge Search for other works by this author on: Oxford Academic Google Scholar Oxford Economic Papers, Volume 13, Issue 3, October 1961, Pages 323–341, https://doi.org/10.1093/oxfordjournals.oep.a040877 Published: 01 October 1961
M. V. Posner (Sun,) studied this question.