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The Equity Premium in 150 Textbooks

Pablo Fernandez

University of Navarra - IESE Business School

November 18, 2015

I review 150 textbooks on corporate finance and valuation published between 1979 and 2009 by authors such as Brealey, Myers, Copeland, Damodaran, Merton, Ross, Bruner, Bodie, Penman, Arzac… and find that their recommendations regarding the equity premium range from 3% to 10%, and that 51 books use different equity premia in various pages. The 5-year moving average has declined from 8.4% in 1990 to 5.7% in 2008 and 2009.

Some confusion arises from not distinguishing among the four concepts that the phrase equity premium designates: the Historical, the Expected, the Implied and the Required equity premium (incremental return of a diversified portfolio over the risk-free rate required by an investor). 129 of the books identify Expected and Required equity premium and 82 identify Expected and Historical equity premium.

Finance textbooks should clarify the equity premium by incorporating distinguishing definitions of the four different concepts and conveying a clearer message about their sensible magnitudes.

Number of Pages in PDF File: 25

Keywords: equity premium, equity premium puzzle, expected equity premium

JEL Classification: G12, G31, M21

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Date posted: September 14, 2009 ; Last revised: November 20, 2015

Suggested Citation

Fernandez, Pablo, The Equity Premium in 150 Textbooks (November 18, 2015). Available at SSRN: https://ssrn.com/abstract=1473225 or http://dx.doi.org/10.2139/ssrn.1473225

Contact Information

Pablo Fernandez (Contact Author)
University of Navarra - IESE Business School ( email )
Camino del Cerro del Aguila 3
28023 Madrid
+34 91 357 0809 (Phone)
+34 91 357 2913 (Fax)
HOME PAGE: http://web.iese.edu/PabloFernandez/
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