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Journal Article The Theory of Customs Unions: A General Survey Get access R. G. Lipsey R. G. Lipsey London School of Economics. Search for other works by this author on: Oxford Academic Google Scholar The Economic Journal, Volume 70, Issue 279, 1 September 1960, Pages 496–513, https://doi.org/10.2307/2228805 Published: 01 September 1960
Richard G. Lipsey (1960) studied this question.