@article{onclassifyingtheeffectsofpolicy, title = {On Classifying the Effects of Policy Announcements on Volatility}, author = {Giampiero M. Gallo and Demetrio Lacava and Edoardo Otranto}, year = {2020}, eprint = {2011.14094}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2011.14094v2}, }