← Search Econometrica Vol. 20 No. 3 1952 Les Elasticities de la Demande Relative aux Biens de Consommation et aux Groupes de Biens René Roy DOI10.2307/1907411 Volume20 Issue3 Pages391 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 ✓