Lone wolf or herd animal? Information choice and learning from others

John Duffy, Ed Hopkins, Tatiana Kornienko*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

We report on an experiment that distinguishes between rational social learning and behavioral information source bias. Subjects are asked to correctly guess the current binary state of the world. Differently from other social learning studies, subjects must choose between receiving a private, noisy signal about the current state or observing the past guesses of other subjects in the prior period. Our design varies the persistence of the state across time, which affects whether private or social information is optimal. Thus our design enables us to separate subjects who choose information optimally from those who excessively use either social information (“herd animals”) or private information (“lone wolves”). We find sizable proportions of both behavioral types.

Original languageEnglish
Article number103690
JournalEuropean Economic Review
Early online date9 Mar 2021
Publication statusPublished - May 2021

Keywords / Materials (for Non-textual outputs)

  • conformity
  • experiments
  • information
  • information design
  • social influence
  • social learning


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