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American Economic Review Vol. 114 No. 3 2024

Mental Models and Learning: The Case of Base-Rate Neglect

Ignacio Esponda1; Emanuel Vespa2; Sevgi Yuksel1

1 Department of Economics, UC Santa Barbara (email: ) · 2 Department of Economics, UC San Diego (email: )

open access

Abstract

We experimentally document persistence of suboptimal behavior despite ample opportunities to learn from feedback in a canonical updating problem where people suffer from base-rate neglect. Our results provide insights on the mechanisms hindering learning from feedback. Importantly, our results suggest mistakes are more likely to be persistent when they are driven by incorrect mental models that miss or misrepresent important aspects of the environment. Such models induce confidence in initial answers, limiting engagement with and learning from feedback. We substantiate these insights in an alternative scenario where individuals involved in a voting problem overlook the importance of being pivotal.

DOI
10.1257/aer.20201004
Volume
114
Issue
3
Pages
752-782
Language
en
Sources
openalex bibtex:phds-export.bib crossref

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