Todorov, Viktor; Tauchen, George - Duke University, Department of Economics - 2010
component. The jumps in stock volatility are found to be so active that this discredits many recently proposed stochastic … volatility models, including the classic affine model with compound Poisson jumps that is widely used in financial modeling and … practice. Additional empirical work presents strong evidence for many common jumps, or co-jumps, in both the stock price and …