The Seer-Sucker Theory: The Value of Experts in Forecasting
Technology Review, pp. 16-24, June/July 1980
7 Pages Posted: 15 Jan 2005 Last revised: 29 Jul 2008
Abstract
People are willing to pay heavily for expert advice. Economists are consulted to tell us how the economy will change, stock analysts are paid large salaries to forecast the earnings of various companies, and political experts command large fees to tell our leaders what the future holds. The available evidence, however, implies that this money is poorly spent. But because few people pay attention to this evidence, I have come up with what I call the seersucker theory: No matter how much evidence exists that seers do not exist, suckers will pay for the existence of seers.
One would expect experts to have reliable information for predicting change and to be able to utilize the information effectively. However, expertise beyond a minimal level is of little value in fore casting change. This conclusion is both surprising and useful, and its implication is clear: Don't hire the best expert, hire the cheapest expert.
This is not to say that experts have no value they can contribute in many ways. One particularly useful role of the expert seems to be in assessing a current situation. And although estimates of current status play an important role in forecasting, I will deal only with the role of expertise in forecasting change.
Keywords: Forecasting value, forecasting, seer-sucker theory
Suggested Citation: Suggested Citation
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