Cattaneo, Matias D.; Crump, Richard K.; Wang, Weining - 2024
investigate the properties of beta-sorted portfolio returns by casting the procedure as a two-step nonparametric estimator with a … the rate of convergence of the estimator changes depending on the value of beta. We demonstrate that valid inference … depends critically on the object of interest and discuss shortcomings of the widely-used Fama-MacBeth variance estimator. To …