On the interpretation of the WTP/WTA gap as imprecise utility: an axiomatic analysis
Raphaël Giraud ()
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The willingness-to-pay (WTP) and willingness-to-accept (WTA) disparity reported in a rich empirical literature suggests that people have only an imprecise idea of how valuable a good is to them. In this note, we provide axioms that formally relate this imprecision in the evaluation of a good to the imprecision in the utility function, in the sense that x is strictly preferred to y iff the WTP for x is larger than the WTA for y. The preference relation is therefore an interval order (Fishburn (1970)) with ''interval utility' equal to the WTP/WTA interval itself. Applications to preference for liquidity and the strength of the status quo bias are given.
Keywords: WTA-WTP Gap; Reference-dependent preferences; interval orders; imprecise utility (search for similar items in EconPapers)
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Published in Economics Bulletin, Economics Bulletin, 2010, 30 (1), pp.692-701
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:halshs-00490846
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