Journal Article International Trade Theory in Vintage Models Get access M. A. M. Smith M. A. M. Smith London School of Economics Search for other works by this author on: Oxford Academic Google Scholar The Review of Economic Studies, Volume 43, Issue 1, February 1976, Pages 99–113, https://doi.org/10.2307/2296604 Published: 01 February 1976 Article history Received: 01 June 1974 Accepted: 01 April 1975 Published: 01 February 1976