Revisiting Equity Premium Puzzles in a Data-Rich Environment

Mohamed Douch and Mohammed Bouaddi

Applied Economics Quarterly (formerly: Konjunkturpolitik), 2019, vol. 65, issue 4, 257-275

Abstract: This paper modifies the conventional representative-agent consumption-based equilibrium models by making the habit-formation part depend on additional factors related to economic conditions. This paper assumes that innovations in the consumption surplus ratio are determined not only by consumption growth but also by other macroeconomic and financial factors. The resulting model allowed for a separation between the intertemporal elasticity of substitution and risk aversion. The model also generates highly volatile Intertemporal marginal rate of substitution which translates into fluctuating volatility capturing time varying economic uncertainty. The long-standing equity premium puzzle seems to have been resolved. The resulting pricing model accounts for a number of interesting properties, such as time-varying risk aversion, small relative risk aversion and an equity premium that is compatible with the observed equity premium. These results are obtained with admissible range of local relative risk aversion. In addition, the model generated small risk-free rate resolving the interest rate puzzle.

Keywords: Common factors; factor analysis; principal components; asset pricing; equity premium puzzle; risk-free rate puzzle (search for similar items in EconPapers)
JEL-codes: C33 G10 G12 (search for similar items in EconPapers)
Date: 2019
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