Calendrier du 29 juin 2017
TOM (Théorie, Organisation et Marchés) Lunch Seminar
Du 29/06/2017 de 13:00 à 14:00
salle R2-01, campus Jourdan, 48 boulevard Jourdan, 75014 Paris
BOUACIDA Elias (PSE)
Indifference or Indecision, an Experimental Investigation using Choice Correspondences
Abstract. The completeness axiom is a staple in economics, despite its lack of both:
1. Normative appeal, as pointed by Aumann (1962);
2. Descriptive investigation, apart from two experiments using lotteries by Danan and Ziegelmeyer (2006) and Cettolin and Riedl (2016).
In this paper, I am tackling the second question. I show how to elicit a choice correspondence -- in contrast to a choice function, as usually done in experiments -- in an incentive compatible way, while keeping the revealed preferences methodology. This allows the elicitation of -- some -- indifference and -- some -- indecision (aka incompleteness) in experiments using Eliaz and Ok (2006)'s characterization, which provides a lower bound on indecision. This procedure is applied to the choice between four incentivized tasks to be performed in the laboratory. I observe some indifference for a majority of subjects and some indecision for around a quarter of them.
Behavior seminar
Du 29/06/2017 de 12:00 à 13:00
campus Jourdan, 48 boulevard Jourdan, 75014 Paris
FIORINI Luciana (The University of Western Australia )
The Opportunity Criterion: An Axiomatic Approach