bibtex13jz_beta
@UNPUBLISHED{JZ2015betacomove,
title={Asymmetric Beta Comovement and Systematic Downside Risk},
author={Jondeau, Eric and Zhang, Qunzi},
note={Swiss Finance Institute Research Paper No. 14-59. Available at SSRN: http://ssrn.com/abstract=2511327},
year={2015}
}