Kostrzewski, Maciej - In: Central European Journal of Economic Modelling and … 7 (2015) 1, pp. 43-70
News might trigger jump arrivals in financial time series. The "bad" news and "good" news seem to have distinct impact. In the research, a double exponential jump distribution is applied to model downward and upward jumps. Bayesian double exponential jump-diffusion model is proposed. Theorems...