Lanne, Markku and Luoto, Jani (2007): Robustness of the Risk-Return Relationship in the U.S. Stock Market.
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In this paper, we study the risk-return relationship in monthly U.S. stock returns (1928:1— 2004:12) using GARCH-in-Mean models. In particular, we consider the robustness of the relationship with respect to the omission of the intercept term in the equation for the expected excess return recently recommended by Lanne and Saikkonen (2006). The existence of the relationship is quite robust, but its estimated strength is dependent on the prior belief concerning the intercept. This is the case in particular in the first half of the sample period, where also the coefficient of the relative risk aversion is found to be smaller and the equity premium greater than in the latter half.
|Item Type:||MPRA Paper|
|Original Title:||Robustness of the Risk-Return Relationship in the U.S. Stock Market|
|Keywords:||ICAPM model; relative risk aversion; GARCH-in-Mean model; Bayesian analysis|
|Subjects:||G - Financial Economics > G1 - General Financial Markets > G12 - Asset Pricing; Trading volume; Bond Interest Rates
C - Mathematical and Quantitative Methods > C2 - Single Equation Models; Single Variables > C22 - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models
C - Mathematical and Quantitative Methods > C1 - Econometric and Statistical Methods and Methodology: General > C11 - Bayesian Analysis: General
|Depositing User:||Markku Lanne|
|Date Deposited:||06. Jul 2007|
|Last Modified:||18. Feb 2013 19:11|
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