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Truth in Consequentiality: Theory and Field Evidence on Discrete Choice Experiments
Author(s) -
Christian A. Vossler,
Maurice Doyon,
Daniel Rondeau
Publication year - 2012
Publication title -
american economic journal microeconomics
Language(s) - French
Resource type - Journals
SCImago Journal Rank - 5.339
H-Index - 40
eISSN - 1945-7685
pISSN - 1945-7669
DOI - 10.1257/mic.4.4.145
Subject(s) - public good , incentive , complement (music) , economics , microeconomics , discrete choice , preference , field (mathematics) , experimental economics , econometrics , mathematical economics , mathematics , biochemistry , chemistry , phenotype , complementation , pure mathematics , gene
This paper explores methodological issues surrounding the use of discrete choice experiments to elicit values for public goods. We develop an explicit game-theoretic model of individual decisions to a series of choice sets, providing general conditions under which surveys with repeated binary choices are incentive compatible. We complement the theory with a framed field experiment, with treatments that span the spectrum from incentive compatible, financially binding decisions to decisions with no direct financial consequences. The results suggest truthful preference revelation is possible in surveys, provided that respondents view their decisions as having more than a weak chance of influencing policy. Cette etude s'interesse a des aspects methodologiques associes a l'utilisation d'experiences avec choix discrets pour evaluer des biens publics. Nous avons developpe un modele explicite de jeux theoriques pour des decisions individuelles a des series de choix, avec conditions generales sous lesquelles un questionnaire avec des choix binaires repetes incite la revelation des valeurs. Ce developpement theorique est suivi d'experiences terrains avec traitements qui couvrent le spectre des incitatifs de la revelation des valeurs, passant de la decision avec mise en place reelle du projet et paiements reels de la part des participants, a celle sans aucune consequence financiere directe et avec projets hypothetiques. Les resultats indiquent qu'il est possible d'obtenir une revelation des valeurs reelles en situation hypothetique, si les participants pensent que leurs decisions ont un potentiel d'impact significatif sur une eventuelle politique.

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