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Multivariate autoregressive conditional heteroskedasticity with smooth transitions in conditional correlations
Silvennoinen, Annastiina (contributor);  … - 2005 - [Elektronische Ressource], Rev. October 2005
; Dynamic conditional correlation ; Return comovement ; Volatility model evaluation …In this paper we propose a new multivariate GARCH model with time-varying conditional correlation structure. The … well as several subsystems and the results discussed in detail. -- Multivariate GARCH ; Constant conditional correlation …
Persistent link: https://www.econbiz.de/10002570445
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Specification and estimation of random effects models with serial correlation of general form
Skoglund, Jimmy (contributor); Karlsson, Sune (contributor) - 2001 - [Elektronische Ressource]
This paper is concerned with maximum likelihood based inference in random effects models with serial correlation …. Allowing for individual effects we introduce serial correlation of general form in the time effects as well as the … for determining the orders of serial correlation as well as the importance of time and individual effects. The methods are …
Persistent link: https://www.econbiz.de/10001600058
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A simple efficient GMM estimator of GARCH models
Skoglund, Jimmy (contributor) - 2001 - [Elektronische Ressource]
This paper is concerned with efficient GMM estimation and inference in GARCH models. Sufficient conditions for the estimator to be consistent and asymptotically normal are established for the GARCH(1,1) conditional variance process. In addition efficiency results are obtained in the general...
Persistent link: https://www.econbiz.de/10001600059
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Stylized facts of financial time series and three popular models of volatility
Malmsten, Hans (contributor); Teräsvirta, Timo (contributor) - 2004 - [Elektronische Ressource], Rev. September 3, 2004
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
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Does active portfolio management create value? : an evaluation of fund managers' decisions
Engström, Stefan (contributor) - 2004 - [Elektronische Ressource]
In this paper, I obtain new measures of the value of active portfolio management by forming replicating portfolios. These measures allow for a separate evaluation of fund managers' strategic and tactical decisions. I also obtain new evidence on the value of trading by decomposing it into...
Persistent link: https://www.econbiz.de/10001946175
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An application of the analogy between vector ARCH and vector random coefficient autoregressive models
He, Changli (contributor); Teräsvirta, Timo (contributor) - 2002 - [Elektronische Ressource]
; multivariate volatility model ; random coefficient model ; volatility forecasting …
Persistent link: https://www.econbiz.de/10001714621
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A new non-linear GARCH model
Hagerud, Gustaf E. - 1997
Persistent link: https://www.econbiz.de/10000958392
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Asymptotic properties of the maximum likelihood estimator of random effects models with serial correlation
Skoglund, Jimmy (contributor); Karlsson, Sune (contributor) - 2001 - [Elektronische Ressource]
correlation in the form of AR(1) for the idiosyncratic or time-specific error component. Consistent estimation and asymptotic … normality is established for the consistent subsets. -- Panel data ; serial correlation ; random effects …
Persistent link: https://www.econbiz.de/10001600056
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Information costs and mutual fund flows
Engström, Stefan (contributor);  … - 2004 - [Elektronische Ressource]
This paper examines how investor and capital flows into mutual funds in the Swedish pension system are related to fund characteristics. Similarly to U.S. studies, we show that individuals chase past returns and have a strong preference for lower-fee funds. However, our results suggest that past...
Persistent link: https://www.econbiz.de/10001979838
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Is momentum due to data-snooping?
Ericsson, Johan (contributor);  … - 2003 - [Elektronische Ressource]
This paper explores the profitability of portfolio-based momentum strategies. The data consists of all NYSE, AMEX, and NASDAQ stocks on the CRSP database. The analysis considers the period July 1963 to December 2002 and the tests are performed on portfolios formed on industry, size and...
Persistent link: https://www.econbiz.de/10001883186