A "three-sentence" proof of Hansson's theorem

Research output: Contribution to journalArticlepeer-review


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.
Original languageEnglish
Pages (from-to)111-114
Number of pages4
JournalEconomic Theory Bulletin
Issue number1
Early online date5 Sep 2017
Publication statusE-pub ahead of print - 5 Sep 2017


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