Department of Economics, University of Melbourne; CIFAR
October 25, 2011
An experiment tested whether and in what circumstances people are more likely to believe an event simply because it makes them better off. Subjects observed a financial asset's historical price chart, and received both an accuracy bonus for predicting the price at some future point, and an unconditional award that was either increasing or decreasing in this price. Despite incentives for hedging, subjects gaining from high prices made significantly higher predictions than those gaining from low prices. The magnitude of the bias was smaller in charts with less subjective uncertainty, but was independent of the amount paid for accurate predictions.
Number of Pages in PDF File: 35
Keywords: wishful thinking, optimal expectations, priors and desires, payoff-dependent beliefs, asset prices
JEL Classification: D01, D03, D81, D84, G11
Date posted: November 11, 2011 ; Last revised: December 23, 2011
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