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Journal of Finance Vol. 75 No. 4 2020

Presidential Address: Social Transmission Bias in Economics and Finance

David Hirshleifer

American Association of Neurological Surgeons

open access

Abstract

I discuss a new intellectual paradigm, social economics and finance —the study of the social processes that shape economic thinking and behavior. This emerging field recognizes that people observe and talk to each other. A key, underexploited building block of social economics and finance is social transmission bias : systematic directional shift in signals or ideas induced by social transactions. I use five “fables” (models) to illustrate the novelty and scope of the transmission bias approach, and offer several emergent themes. For example, social transmission bias compounds recursively, which can help explain booms, bubbles, return anomalies, and swings in economic sentiment.

DOI
10.1111/jofi.12906
Volume
75
Issue
4
Pages
1779-1831
Language
en
Sources
bibtex:phds-export.bib crossref openalex

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