← Search Review of Economic Studies Vol. 18 No. 2 1950 A Three-Dimensional Model of the Shackle \varPhi-Surface Harry G. Johnson DOI10.2307/2295799 Volume18 Issue2 Pages115 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 ✓