← Search The Review of Economics and Statistics Vol. 46 No. 2 1964 Theoretical Notes on Trade Problems Paul A. Samuelson DOI10.2307/1928178 Volume46 Issue2 Pages145 Sources crossref semanticscholar openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓