Article ID: | iaor20107423 |
Volume: | 56 |
Issue: | 10 |
Start Page Number: | 1653 |
End Page Number: | 1667 |
Publication Date: | Oct 2010 |
Journal: | Management Science |
Authors: | Denrell Jerker, Fang Christina |
Successfully predicting that something will become a big hit seems impressive. Managers and entrepreneurs who have made successful predictions and have invested money on this basis are promoted, become rich, and may end up on the cover of business magazines. In this paper, we show that an accurate prediction about such an extreme event, e.g., a big hit, may in fact be an indication of poor rather than good forecasting ability. We first demonstrate how this conclusion can be derived from a formal model of forecasting. We then illustrate that the basic result is consistent with data from two lab experiments as well as field data on professional forecasts from the