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Stories, Statistics, and Memory

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  • Graeber, Thomas
  • Roth, Christopher
  • Zimmermann, Florian

Abstract

For most decisions, we rely on information encountered over the course of days, months or years. We consume this information in various forms, including abstract summaries of multiple data points -- statistics -- and contextualized anecdotes about individual instances -- stories. This paper proposes that we do not always have access to the full wealth of our accumulated information, and that the information type -- story versus statistic -- is a central determinant of selective memory. In controlled experiments we show that the effect of information on beliefs decays rapidly and exhibits a pronounced story-statistic gap: the average impact of stories on beliefs fades by 33% over the course of a day, but by 73% for statistics. Consistent with a model of similarity and interference in memory, prompting contextual associations with statistics improves recall. A series of mechanism experiments highlights that the lower similarity of stories to interfering information is the key driving force behind the story-statistic gap.

Suggested Citation

  • Graeber, Thomas & Roth, Christopher & Zimmermann, Florian, 2022. "Stories, Statistics, and Memory," CEPR Discussion Papers 17683, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:17683
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    1. Peter Andrebriq & Carlo Pizzinelli & Christopher Roth & Johannes Wohlfart, 2022. "Subjective Models of the Macroeconomy: Evidence From Experts and Representative Samples," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 89(6), pages 2958-2991.
    2. Benjamin Enke & Frederik Schwerter & Florian Zimmermann, 2019. "Associative Memory and Belief Formation," CESifo Working Paper Series 7916, CESifo.
    3. Thiemo Fetzer & Lukas Hensel & Johannes Hermle & Christopher Roth, 2021. "Coronavirus Perceptions and Economic Anxiety," The Review of Economics and Statistics, MIT Press, vol. 103(5), pages 968–978-9, December.
    4. Roland Bénabou & Jean Tirole, 2005. "Self-Confidence and Personal Motivation," International Economic Association Series, in: Bina Agarwal & Alessandro Vercelli (ed.), Psychology, Rationality and Economic Behaviour, chapter 2, pages 19-57, Palgrave Macmillan.
    5. Kfir Eliaz & Ran Spiegler, 2020. "A Model of Competing Narratives," American Economic Review, American Economic Association, vol. 110(12), pages 3786-3816, December.
    6. Peter Andre & Ingar Haaland & Christopher Roth & Mirko Wiederholt & Johannes Wohlfart, 2021. "Narratives about the Macroeconomy," ECONtribute Discussion Papers Series 127, University of Bonn and University of Cologne, Germany.
    7. Benjamin Enke, 2020. "What You See Is All There Is," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 135(3), pages 1363-1398.
    8. Nicholas Epley & Thomas Gilovich, 2016. "The Mechanics of Motivated Reasoning," Journal of Economic Perspectives, American Economic Association, vol. 30(3), pages 133-140, Summer.
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    Cited by:

    1. Andrea Amelio & Florian Zimmermann, 2023. "Motivated Memory in Economics—A Review," Games, MDPI, vol. 14(1), pages 1-15, January.
    2. Christopher Roth & Peter Schwardmann & Egon Tripodi, 2024. "Misperceived Effectiveness and the Demand for Psychotherapy," Rationality and Competition Discussion Paper Series 500, CRC TRR 190 Rationality and Competition.
    3. Bocar A. Ba & Abdoulaye Ndiaye & Roman G. Rivera & Alexander Whitefield, 2024. "Mispricing Narratives after Social Unrest," CESifo Working Paper Series 11264, CESifo.
    4. George Loewenstein & Zachary Wojtowicz, 2023. "The Economics of Attention," CESifo Working Paper Series 10712, CESifo.
    5. Angelico, Cristina, 2024. "The green transition and firms' expectations on future prices: Survey evidence," Journal of Economic Behavior & Organization, Elsevier, vol. 221(C), pages 519-543.
    6. Bocar A. Ba & Abdoulaye Ndiaye & Roman G. Rivera & Alexander Whitefield, 2024. "Mispricing Narratives after Social Unrest," Opportunity and Inclusive Growth Institute Working Papers 096, Federal Reserve Bank of Minneapolis.

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