Broad bracketing for low probability events

Shereen J. Chaudhry (), Michael Hand () and Howard Kunreuther ()
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Shereen J. Chaudhry: University of Chicago Booth School of Business
Michael Hand: U.S. General Services Administration Office of Evaluation Sciences
Howard Kunreuther: University of Pennsylvania

Journal of Risk and Uncertainty, 2020, vol. 61, issue 3, No 2, 244 pages

Abstract: Abstract Individuals tend to underprepare for rare, catastrophic events because of biases in risk perception. A simple form of broad bracketing—presenting the cumulative probability of loss over a longer time horizon—has the potential to alleviate these barriers to accurate risk perception and increase protective actions such as purchasing flood insurance. However, it is an open question whether broad bracketing effects last over time: There is evidence that descriptive probability information is ignored when decisions are based on “experience” (repeatedly and in the face of feedback), which characterizes many protective decisions. Across six incentive-compatible experiments with high stakes, we find that the broad bracketing effect does not disappear or change size when decisions are made from experience. We also advance our understanding of the mechanisms underlying broad bracketing, finding that, while cumulative probability size is a strong driver of the effect, this is dampened for larger brackets leading people to be less sensitive to probability size.

Keywords: Broad bracketing; Risk communication; Decisions from experience; Cumulative probabilities; Low-probability high-consequence events; Insurance (search for similar items in EconPapers)
JEL-codes: D01 D81 D91 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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DOI: 10.1007/s11166-020-09343-4

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