On a class of smooth preferences

  • Andrea Attar
  • Thomas Mariotti
  • François Salanié
Research Article


We construct a complete space of smooth strictly convex preferences defined over commodities and monetary transfers. Our model extends the classical one in that preferences are strictly monotone in monetary transfers, but need not be monotone in all commodities. We thereby provide a natural framework for performing genericity analyses in situations involving inventory costs or decisions under risk. The constructed space of preferences is contractible, which allows for a natural aggregation procedure in collective decision situations.


Smooth preferences Nonmonotonicity Collective choice 

JEL Classification

C60 D11 


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Copyright information

© Society for the Advancement of Economic Theory 2018

Authors and Affiliations

  1. 1.Toulouse School of EconomicsCNRS, University of Toulouse CapitoleToulouseFrance
  2. 2.Università degli Studi di Roma “Tor Vergata”RomeItaly
  3. 3.Toulouse School of EconomicsINRA, University of Toulouse CapitoleToulouseFrance

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