Security Analyst Superiority Relative to Univariate Time-Series Models in Forecasting Quarterly Earnings
Lawrence D. Brown
SUNY at Buffalo - School of Management
Paul A. Griffin
University of California, Davis - Graduate School of Management
University of Chicago - Accounting
Journal of Accounting & Economics (JAE), Vol. 9, No. 1, 1987
Evidence is provided of security analyst (SA) superiority relative to univariate time-series (TS) models in predicting firms' quarterly earnings numbers. It is demonstrated that SA forecast superiority in the sample is attributable to: 1. better use of information that exists on the date that TS model forecasts can be initiated, a contemporaneous advantage, and 2. use of information acquired between the date of initiation of TS model forecasts and the date when SA forecasts are published, a timing advantage.
Number of Pages in PDF File: 27Accepted Paper Series
Date posted: April 18, 2008
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