← Search Econometrica Vol. 19 No. 1 1951 Consumer Substitutions between Butter and Margarine James N. Morgan DOI10.2307/1907906 Volume19 Issue1 Pages18 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 ✓