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Modeling and estimating the jump risk of exchange rates: Applications to RMB
2008
Physica A: Statistical Mechanics and its Applications
In this paper we propose a new type of continuous-time stochastic volatility model, SVDJ, for the spot exchange rate of RMB, and other foreign currencies. In the model, we assume that the change of exchange rate can be decomposed into two components. One is the normally small-cope innovation driven by the diffusion motion; the other is a large drop or rise engendered by the Poisson counting process. Furthermore, we develop a MCMC method to estimate our model. Empirical results indicate the
doi:10.1016/j.physa.2008.08.017
fatcat:5jhna6fftnainkbgrtl2wxva7m