Tuesday, November 5, 2019

Unraveling and (lack of) self confidence by Dargnies, Hakimov and Kübler

Online, in Management Science, a behavioral look at unraveling via early exploding offers:

Self-Confidence and Unraveling in Matching Markets
Marie-Pierre Dargnies , Rustamdjan Hakimov, Dorothea Kübler
Published Online:22 Oct 2019https://doi.org/10.1287/mnsc.2018.3201


Abstract
We document experimentally how biased self-assessments affect the outcome of labor markets. In the experiments, we exogenously manipulate the self-confidence of participants in the role of workers regarding their relative performance by employing hard and easy real-effort tasks. Participants in the role of firms can make offers before information about the workers’ performance has been revealed. Such early offers by firms are more often accepted by workers when the real-effort task is hard than when it is easy. We show that the treatment effect works through a shift in beliefs; that is, under-confident agents are more likely to accept early offers than overconfident agents. The experiment identifies a behavioral determinant of unraveling, namely biased self-assessments. The treatment with the hard task entails more unraveling and thereby leads to lower efficiency and less stability, and it shifts payoffs from high- to low-quality firms.

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