A “three-sentence proof” of Hansson’s theorem

Henrik Petri ()
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Henrik Petri: Stockholm School of Economics

Economic Theory Bulletin, 2018, vol. 6, issue 1, No 9, 114 pages

Abstract: Abstract We provide a new proof of Hansson’s theorem: every preorder has a complete preorder extending it. The proof boils down to showing that the lexicographic order extends the Pareto order.

Keywords: Ordering extension theorem; Lexicographic order; Pareto order; Preferences (search for similar items in EconPapers)
JEL-codes: C65 D01 (search for similar items in EconPapers)
Date: 2018
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DOI: 10.1007/s40505-017-0127-2

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