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Adaptive estimation for a time inhomogeneous stochastic-volatility model
Härdle, Wolfgang; Spokojnyj, Vladimir G.; Teyssière, … - 2000
problem of online estimation of current values of w = w(T) and a = a(T) from the observations SI , ... ,ST. We propose an … adaptive method of estimation which does not use any information about time homogeneity of the obscured process. We apply this …
Persistent link: https://www.econbiz.de/10009582392
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Multivariate volatility models
Fengler, Matthias R.; Herwartz, Helmut - 2001
Multivariate Volatility Models belong to the class of nonlinear models for financial data. Here we want to focus on multivariate GARCH models. These models assume that the variance of the innovation distribution follows a time dependent process conditional on information which is generated by...
Persistent link: https://www.econbiz.de/10009615423
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Confidence intervals for state price densities
Hlávka, Zdeněk (contributor) - 2003 - [Elektronische Ressource]
Persistent link: https://www.econbiz.de/10001916784
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Bayesian estimation of NIG-parameters by Markov Chain Monte Carlo Methods
Lillestøl, Jostein - 2000 - Rev.
alternative for modelling financial data exhibiting skewness and fat tails. In this paper we explore the Bayesian estimation of …
Persistent link: https://www.econbiz.de/10009612011
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Empirical modeling of the DEM/USD and DEM/JPY foreign exchange rate: Structural shifts in GARCH-models and their implications
Herwartz, Helmut; Reimers, Hans-Eggert - 2001
We analyze daily changes of two log foreign exchange (FX) rates involving the Deutsche Mark (DEM) for the period 1975 - 1998, namely FX-rates measured against the US dollar (USD) and the Japanese yen (JPY). Ta account for volatility e1ustering we fit a GARCH(l,l)-model with leptokurtic...
Persistent link: https://www.econbiz.de/10009616784
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The Beveridge-Nelson decomposition : a different perspective with new results
Gómez, Víctor; Breitung, Jörg - 1998
We show in the paper that the decomposition proposed by Beveridge and Nelson (1981) for models that are integrated of order one can be generalized to seasonal Arima models by means of a partial fraction decomposition. Two equivalent algorithms are proposed to optimally (in the mean squared...
Persistent link: https://www.econbiz.de/10009577456
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Volatility estimates of the short term interest rate with an application to German data
Dankenbring, Henning - 1998
theory but rather base the decision of the lag structure on a robust Lagrange Multiplier test. In contrast to U.S. data we …
Persistent link: https://www.econbiz.de/10009578570
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Estimation and testing for varying coefficients in additive models with marginal integration
Yang, Lijian; Härdle, Wolfgang; Park, Byeong U. - 2002
regression model. Asymptotic distribution theory is developed for the estimation method which enjoys the same rate of convergence … as univariate function estimation. For the test statistic, asymptotic normal theory is established. These theoretical …We propose marginal integration estimation and testing methods for the coefficients of varying coefficient multivariate …
Persistent link: https://www.econbiz.de/10009627286
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Comparison of bootstrap confidence intervals for impulse responses of German monetary systems
Benkwitz, Alexander; Lütkepohl, Helmut; Wolters, Jürgen - 1999
It is argued that standard impulse response analysis based on vector autoregressive models has a number of shortcomings. Although the impulse responses are estimated quantities, measures for sampling variability such as confidence intervals are often not provided. If confidence intervals are...
Persistent link: https://www.econbiz.de/10009580485
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Common cycles : a frequency domain approach
Breitung, Jörg; Candelon, Bertrand - 2000
series with a zero spectral density at some frequency. Estimation and inference can be performed using an Instrumental … an analysis of the comovement between Germany, Austria and the United Kingdom is presented. -- common feature analysis …
Persistent link: https://www.econbiz.de/10009612024