← Search Econometrica Vol. 30 No. 2 1962 Preference Scales and Expenditure Systems S. N. Afriat DOI10.2307/1910219 Volume30 Issue2 Pages305 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 ✓