Chernov, Mikhail; Graveline, Jeremy; Zviadadze, Irina - C.E.P.R. Discussion Papers - 2012
includes (i) Gaussian shocks with stochastic variance, (ii) jumps up and down in the exchange rate, and (iii) jumps in the … probability of jumps in variance is increasing in the variance but not related to interest rates. Many of the jumps in exchange … rates are associated with macroeconomic and political news, but jumps in variance are not. Overall, jumps account for 25% of …