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This paper studies a class of Markov models which consist of two components. Typically, one of the components is observable and the other is unobservable or 'hidden'. Conditions under which (a form of) geometric ergodicity of the unobservable component is inherited by the joint process formed of...
Persistent link: https://www.econbiz.de/10002465203
the theory by analyzing a number of concrete examples. -- HJM models ; stochastic volatility ; factor models ; forward … volatility/diffusion term is stochastic in the sense of being driven by a separate hidden Markov process. Within this framework … we use the previously developed Hilbert space realization theory in order provide general necessary and sufficent …
Persistent link: https://www.econbiz.de/10001664233
; multivariate volatility model ; random coefficient model ; volatility forecasting …
Persistent link: https://www.econbiz.de/10001714621
Persistent link: https://www.econbiz.de/10000958083
Persistent link: https://www.econbiz.de/10000984774
In this paper developments in the analysis of univariate nonlinear time series are considered. First a number of commonly used nonlinear models are presented. The next section is devoted to methods of testing linearity, which is an important part of nonlinear model building. Techniques of...
Persistent link: https://www.econbiz.de/10002679532
use the Lie algebra methodology of Björk et al. to investigate under what conditions on the volatility structure of the …
Persistent link: https://www.econbiz.de/10002450616
Properties of three well-known and frequently applied first-order models for modelling and forecasting volatility in … Conditional Heteroskedasticity (GARCH), the Exponential GARCH and the Autoregressive Stochastic Volatility model. The focus is on … heteroskedasticity ; evaluation of volatility models ; exponential GARCH ; GARCH ; modelling return series ; stochastic volatility …
Persistent link: https://www.econbiz.de/10002199620
; Dynamic conditional correlation ; Return comovement ; Volatility model evaluation …
Persistent link: https://www.econbiz.de/10002570445
This paper studies the effects of financial liberalization and banking crises on growth. It shows that financial liberalization spurs on average economic growth. Banking crises are harmful for growth, but to a lesser extent in countries with open financial systems and good institutions. The...
Persistent link: https://www.econbiz.de/10002380051