A Comment on Arrow’s Impossibility Theorem

Sandroni Alec () and Sandroni Alvaro ()
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Sandroni Alec: Germantown Friends School, 31 W Coulter st, Philadelphia, PA 19144, USA
Sandroni Alvaro: Department of Managerial Economics and Decision Sciences, Kellogg School of Management, Northwestern University, Evanston, IL 60208, USA

The B.E. Journal of Theoretical Economics, 2021, vol. 21, issue 1, 347-354

Abstract: Arrow (1950) famously showed the impossibility of aggregating individual preference orders into a social preference order (together with basic desiderata). This paper shows that it is possible to aggregate individual choice functions, that satisfy almost any condition weaker than WARP, into a social choice function that satisfy the same condition (and also Arrow’s desiderata).

Keywords: Arrow; aggregators; WARP (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1515/bejte-2019-0175

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