← Search Econometrica Vol. 55 No. 3 1987 Revealed Preferences and Differentiable Demand Pierre-André Chiappori; Jean-Charles Rochet DOI10.2307/1913607 Volume55 Issue3 Pages687 Sources bibtex:phds-export.bib semanticscholar crossref openalex 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 ✓