Kleibergen, Frank - In: Journal of Econometrics 149 (2009) 2, pp. 149-173
We show that statistical inference on the risk premia in linear factor models that is based on the Fama-MacBeth (FM) and generalized least squares (GLS) two-pass risk premia estimators is misleading when the [beta]'s are small and/or the number of assets is large. We propose novel statistics,...