← Search Journal of Finance Vol. 43 No. 2 1988 Time-Invariant Portfolio Insurance Strategies Michael J. Brennan; Eduardo S. Schwartz DOI10.2307/2328460 Volume43 Issue2 Pages283 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 ✓