Do Financial Professionals Process Information Better as a Group Than Non-Professionals?

Orie E. Barron, Charles R. Enis and Hong Qu
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Orie E. Barron: Department of Accounting, Smeal College of Business, The Pennsylvania State University, State College, PA 16801, USA
Charles R. Enis: Department of Accounting, Smeal College of Business, The Pennsylvania State University, State College, PA 16801, USA
Hong Qu: School of Accountancy, Coles College of Business, Kennesaw State University, Kennesaw, GA 30144, USA

JRFM, 2021, vol. 14, issue 5, 1-18

Abstract: In this study, we study information processing by financial professionals benchmarked with non-professionals and how correlation among individual forecasts explains the group level forecast performance. In an experiment in which participants make price forecasts based on common financial information, we find that individual professionals are no better than individual non-professionals in forecasting, but professionals’ mean forecasts are superior. Our analysis suggests that financial professionals’ individual errors are less correlated as they process information from more diverse perspectives. This leads to superior mean forecasts because the uncorrelated individual errors cancel each other out in the aggregate. In contrast, non-professionals are similar in using salient information such as earnings or cash flow. As a result, their individual errors are highly correlated. Instead of cancelling each other out, the individual errors are enlarged in the aggregated mean forecasts. We are the first to show the difference in the comparisons of professionals and non-professionals at the group level versus at the individual level. Our paper contributes to the literature by documenting the evidence of diversity in information processing by financial professionals.

Keywords: information aggregation; diversification; correlation; earnings; cash flow (search for similar items in EconPapers)
JEL-codes: C E F2 F3 G (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (1)

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