Obvious belief elicitation

Elias Tsakas

Games and Economic Behavior, 2019, vol. 118, issue C, 374-381

Abstract: An investigator is interested in arbitrarily approximating a subject's latent beliefs in obviously dominant strategies (Li, 2017). We prove that Karni's ascending mechanism (Karni, 2009) does not have an obviously dominant strategy. Thus, we introduce the novel descending Karni mechanism which always has obviously dominant strategies. Furthermore, under the assumption that the subject chooses an obviously dominant strategy, the true beliefs can be approximated with arbitrary precision with our mechanism. All our results hold for a very broad class of likelihood relations, going well beyond those that are represented by probabilistic beliefs.

Keywords: Belief elicitation; Karni mechanism; Obvious dominance (search for similar items in EconPapers)
JEL-codes: C90 C91 D81 D82 D83 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:gamebe:v:118:y:2019:i:c:p:374-381

DOI: 10.1016/j.geb.2019.07.002

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