Alexeev, Vitali; Dungey, Mardi H.; Yao, Wenying - In: Econometrics : open access journal 4 (2016) 2, pp. 1-15
Using high-frequency data, we decompose the time-varying beta for stocks into beta for continuous systematic risk and beta for discontinuous systematic risk. Estimated discontinuous betas for S&P500 constituents between 2003 and 2011 generally exceed the corresponding continuous betas. We...