← Search Journal of Finance Vol. 36 No. 3 1981 Portfolio Theory and the Problem of Foreign Exchange Risk: Reply John H. Makin DOI10.2307/2327533 Volume36 Issue3 Pages743 Sources semanticscholar openalex crossref 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 ✓