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Stochastic Volatility (SV) models are widely used in financial applications. To decide whether standard parametric …
Persistent link: https://www.econbiz.de/10009578026
The analysis of diffusion processes in financial models is crucially dependent on the form of the drift and diffusion coefficient functions. A methodology is proposed for estimating and testing coefficient functions for ergodic diffusions that are not directly observable. It is based on...
Persistent link: https://www.econbiz.de/10009613611
which succeeds with high probability. -- Hedging ; superhedging ; Neyman Pearson lemma ; stochastic volatility ; value at …
Persistent link: https://www.econbiz.de/10009574876
We establish a relation between stochastic volatility models and the class of generalized hyperbolic distributions …
Persistent link: https://www.econbiz.de/10009577459
Financial models consider often stochastic processes satisfying certain differential equations. We show that the solution of a particular geometric Brownian motion observed in discrete time is asymptotically equivalent with a Gaussian white noise model.
Persistent link: https://www.econbiz.de/10009580459
models, such as discrete time series models, time-inhomogeneous diffusion models, stochastic volatility models, jump …
Persistent link: https://www.econbiz.de/10009621413
theory but rather base the decision of the lag structure on a robust Lagrange Multiplier test. In contrast to U.S. data we … find that the volatility depends on either the interest rate level or information shocks but not on both. Finally, we … propose to describe the short term interest rate's dynamics by means of an AR(1) model with stochastic volatility. -- Term …
Persistent link: https://www.econbiz.de/10009578570
prices caused by stochastic volatility. -- option pricing ; autoregression ; heteroskedasticity ; GARCH ; leverage effect …
Persistent link: https://www.econbiz.de/10009580460
is the volatility coefficient which in turn obeys an autoregression type equation log v t = w + a S t- l + nt with an …
Persistent link: https://www.econbiz.de/10009582392
This paper describes a financial market modelling framework that exploits the notion of a deflator . The denominations of the deflator measured in units of primary assets form a minimal set of basic financial quantities that completely specify the overall market dynamics, where deflated asset...
Persistent link: https://www.econbiz.de/10009612031