← Search Econometrica Vol. 23 No. 1 1955 A Modification of the Variate-Difference Method Debasis Sarkar; R. G. Laha DOI10.2307/1905581 Volume23 Issue1 Pages67 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 ✓