← Search The Review of Economics and Statistics Vol. 55 No. 4 1973 A New Index Number Formula Henri Theil DOI10.2307/1925674 Volume55 Issue4 Pages498 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 ✓