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Please use this identifier to cite or link to this item: http://arks.princeton.edu/ark:/88435/dsp01vd66w235q
Title: Forecasting the Forecasters: A Closer Look at Analyst Optimism Bias in Earnings Forecasts
Authors: Bogle, John
Advisors: Hong, Harrison
Department: Economics
Class Year: 2016
Abstract: The capital asset pricing model necessitates a security market line of positive slope, though this slope is often negative in practice – low beta stocks historically outperform high beta stocks. I posit that analysts exhibit greater optimism bias on the earnings forecasts of higher beta stocks. These stocks thus frequently experience negative earnings surprises, which contributes to lower returns. I find that the effect of beta on optimism bias can be explained away for low to normal beta stocks, but remains significant and robust for high beta stocks. I also demonstrate a simple trading strategy, informed by my findings, that predicts when earnings targets are too optimistic and shorts those stocks before they announce.
Extent: 88 pages
URI: http://arks.princeton.edu/ark:/88435/dsp01vd66w235q
Type of Material: Princeton University Senior Theses
Language: en_US
Appears in Collections:Economics, 1927-2016

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