← Search Econometrica Vol. 24 No. 3 1956 Simplification of the Derivation of Wald's Formula for the Cost of Living Index K. S. Banerjee DOI10.2307/1911635 Volume24 Issue3 Pages296 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 ✓