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Men are from Mars, and women too: a Bayesian meta-analysis of overconfidence experiments

Oriana Bandiera, Nidhi Parekh, Barbara Petrongolo and Michelle Rao

LSE Research Online Documents on Economics from London School of Economics and Political Science, LSE Library

Abstract: Gender differences in self-confidence could explain women's under representation in high-income occupations and glass-ceiling effects. We draw lessons from the economic literature via a survey of experts and a Bayesian hierarchical model that aggregates experimental findings over the last twenty years. The experts' survey indicates beliefs that men are overconfident and women under-confident. Yet, the literature reveals that both men and women are typically overconfident. Moreover, the model cannot reject the hypothesis that gender differences in self-confidence are equal to zero. In addition, the estimated pooling factor is low, implying that each study contains little information over a common phenomenon. The discordance can be reconciled if the experts overestimate the pooling factor or have priors that are biased and precise.

Keywords: gender gaps; overconfidence; Bayesian hierarchical model (search for similar items in EconPapers)
JEL-codes: C91 J16 (search for similar items in EconPapers)
Pages: 50 pages
Date: 2021-12-17
New Economics Papers: this item is included in nep-exp and nep-neu
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2) Track citations by RSS feed

Downloads: (external link)
http://eprints.lse.ac.uk/113814/ Open access version. (application/pdf)

Related works:
Journal Article: Men are from Mars, and Women Too: A Bayesian Meta‐analysis of Overconfidence Experiments (2022) Downloads
Working Paper: Men Are from Mars, and Women Too: A Bayesian Meta-Analysis of Overconfidence Experiments (2022) Downloads
Working Paper: Men are from Mars and Women Too: A Bayesian Meta-Analysis of Overconfidence Experiments (2022) Downloads
Working Paper: Men are from Mars, and women too: a Bayesian meta-analysis of overconfidence experiments (2021) Downloads
Working Paper: Men Are from Mars, and Women Too: A Bayesian Meta-Analysis of Overconfidence Experiments (2021) Downloads
Working Paper: Men are from Mars, and women too: a Bayesian meta-analysis of overconfidence experiments (2021) Downloads
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