Journal Article Welfare Aspects of International Trade in Goods and Securities: An Addendum Get access Elhanan Helpman, Elhanan Helpman Tel-Aviv University Search for other works by this author on: Oxford Academic Google Scholar Assaf Razin Assaf Razin Tel-Aviv University Search for other works by this author on: Oxford Academic Google Scholar The Quarterly Journal of Economics, Volume 94, Issue 3, May 1980, Pages 615–618, https://doi.org/10.2307/1884588 Published: 01 May 1980