Baele, Lieven; Londono, Juan M. - In: Journal of Empirical Finance 22 (2013) C, pp. 30-51
This paper models and explains the dynamics of market betas for 30 US industry portfolios between 1970 and 2009. We use DCC–MIDAS and kernel regression techniques as alternatives to the standard ex-post measures. We find betas to exhibit substantial persistence, time variation, ranking...