https://api.elsevier.com/content/article/pii/S2214635020303312doi:10.1016/j.jbef.2020.1004041-s2.0-S221463502030331210.1016/j.jbef.2020.100404S2214-6350(20)30331-2A time–frequency analysis of the impact of the Covid-19 induced panic on the volatility of currency and cryptocurrency markets Journal of Behavioral and Experimental FinanceJournal221463502020-12-31December 20200falsefalse