This paper builds a unifying framework based on the theory of intertemporal consumption choices that brings together the limited participation-based explanation of the C-CAPM poor empirical performance and the transaction costs-based explanation of incomplete portfolios. Using the implications...

Malkiel and Xu (1997) state that idiosyncratic volatility is highly correlated with size and that it plays a powerful role in explaining expected returns. In this paper we ask (a) whether idiosyncratic volatility is useful in explaining the variation in expected returns; and, (b) whether our...

In this paper we compare the performance of the traditional CAPM with the multifactor model of Fama and French (1996) for equities listed in the Shanghai Stock Exchange. We also investigate the explanatory power of idiosyncratic volatility and respond to the claim that multifactor model findings...

This paper analyzes the Risk Appetite Index (RAI), a measure of investors� risk aversion proposed by Kumar and Persaud (2001, 2002). We show that the RAI distinguishes between risk and risk aversion only under theoretically restrictive assumptions on the distribution of returns and the...