← Search Econometrica Vol. 37 No. 4 1969 The Existence of an Optimal Economic Policy T. Krishna Kumar DOI10.2307/1910437 Volume37 Issue4 Pages600 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 ✓