Bias, Information, Noise: The BIN Model of Forecasting

Ville A. Satopää (), Marat Salikhov (), Philip E. Tetlock () and Barbara Mellers ()
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Ville A. Satopää: INSEAD, Fontainebleau 77300, France
Marat Salikhov: Yale School of Management, New Haven, Connecticut 06511
Philip E. Tetlock: The Wharton School, University of Pennsylvania, Philadelphia, Pennsylvania 19104
Barbara Mellers: The Wharton School, University of Pennsylvania, Philadelphia, Pennsylvania 19104

Management Science, 2021, vol. 67, issue 12, 7599-7618

Abstract: A four-year series of subjective probability forecasting tournaments sponsored by the U.S. intelligence community revealed a host of replicable drivers of predictive accuracy, including experimental interventions such as training in probabilistic reasoning, anti‐groupthink teaming, and tracking of talent. Drawing on these data, we propose a Bayesian BIN model (Bias, Information, Noise) for disentangling the underlying processes that enable forecasters and forecasting methods to improve—either by tamping down bias and noise in judgment or by ramping up the efficient extraction of valid information from the environment. The BIN model reveals that noise reduction plays a surprisingly consistent role across all three methods of enhancing performance. We see the BIN method as useful in focusing managerial interventions on what works when and why in a wide range of domains. An R-package called BINtools implements our method and is available on the first author’s personal website.

Keywords: Bayesian statistics; judgmental forecasting; partial information; Shapley value; wisdom of crowds (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (3)

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