# Two new proofs of Afriat’s theorem

*Ana Fostel*,
*Herbert Scarf* and
*Michael Todd* ()

*Economic Theory*, 2004, vol. 24, issue 1, 219 pages

**Abstract:**
We provide two new, simple proofs of Afriat’s celebrated theorem stating that a finite set of price-quantity observations is consistent with utility maximization if, and only if, the observations satisfy a variation of the Strong Axiom of Revealed Preference known as the Generalized Axiom of Revealed Preference Copyright Springer-Verlag Berlin/Heidelberg 2004

**Keywords:** Afriat’s theorem; SARP; GARP. (search for similar items in EconPapers)

**Date:** 2004

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**Related works:**

Working Paper: Two New Proofs of Afriat's Theorem (2004)

Working Paper: Two New Proofs of Afriat's Theorem (2004)

Working Paper: Two New Proofs of Afriat's Theorem (2003)

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**Persistent link:** https://EconPapers.repec.org/RePEc:spr:joecth:v:24:y:2004:i:1:p:211-219

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**DOI:** 10.1007/s00199-003-0438-4

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