← Search American Economic Review Vol. 69 No. 2 1979 Welfare Comparisons and Equivalence Scales Robert A. Pollak; Terence J. Wales Volume69 Issue2 Pages216-221 Sources bibtex:phds-export.bib 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 ✓