Härdle, Wolfgang; Okhrin, Yarema; Wang, Weining - 2010
Pricing kernels implicit in option prices play a key role in assessing the risk aversion over equity returns. We deal … with nonparametric estimation of the pricing kernel (Empirical Pricing Kernel) given by the ratio of the risk … estimated nonparametrically too. In this framework, we develop the asymptotic distribution theory of the EPK in the L1 sense …