In general equilibrium models of financial markets, the capital asset pricing formula does not hold when agents have von Neumann–Morgenstern utility with constant relative risk aversion. In this paper we examine under which conditions on endowments and dividends the pricing formula provides a good benchmark for equilibrium returns. While it is easy to construct examples where equilibrium returns are arbitrarily far from those predicted by CAPM, we show that there is a large class of economies where CAPM provides a very good approximation. Although the pricing formula does not hold exactly for the chosen specification, it turns out that pricing-errors are extremely small. Copyright Springer Science+Business Media, LLC 2007
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Volume (Year): 29 (2007) Issue (Month): 1 (February) Pages: 13-31 Download reference. The following formats are available: HTML
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Herings,P. Jean-Jacques & Kubler,Felix, 2002.
"Computing Equilibria in Finance Economies,"
Research Memoranda
010, Maastricht : METEOR, Maastricht Research School of Economics of Technology and Organization.
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Andrew Ang & Joseph Chen & Yuhang Xing, 2005.
"Downside Risk,"
NBER Working Papers
11824, National Bureau of Economic Research, Inc.
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Magill, Michael & Shafer, Wayne, 1991.
"Incomplete markets,"
Handbook of Mathematical Economics,
in: W. Hildenbrand & H. Sonnenschein (ed.), Handbook of Mathematical Economics, edition 1, volume 4, chapter 30, pages 1523-1614
Elsevier.
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