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Multivariate fractionally integrated APARCH modeling of stock market volatility : a multi-country study

Conrad, Christian; Karanasos, Menelaos; Zeng, Ning - 2008

applicability of a multivariate constant conditional correlation version of the model to national stock market returns for eight … multivariate FIAPARCH framework is provided in terms of forecast error statistics and tests for equal forecast accuracy of the …

Persistent link: https://www.econbiz.de/10003747371

Nonparametric regression on latent covariates with an application to semiparametric GARCH-in-Mean models

Conrad, Christian; Mammen, Enno - 2008

We consider time series models in which the conditional mean of the response variable given the past depends on latent covariates. We assume that the covariates can be estimated consistently and use an iterative nonparametric kernel smoothing procedure for estimating the conditional mean...

Persistent link: https://www.econbiz.de/10003747376

What they did not tell you about algebraic (non-)existence, mathematical (ir-)regularity and (non-)asymptotic properties of the full BEKK dynamic conditional covariance model

McAleer, Michael - In: Journal of risk and financial management : JRFM 12 (2019) 2/66, pp. 1-7

Persistently high negative covariances between risky assets and hedging instruments are intended to mitigate against risk and subsequent financial losses. In the event of having more than one hedging instrument, multivariate covariances need to be calculated. Optimal hedge ratios are unlikely to...

Persistent link: https://www.econbiz.de/10012022157

What they did not tell you about algebraic (non-)existence, mathematical (ir-)regularity and (non-)asymptotic properties of the Dynamic Conditional Correlation (DCC) model

McAleer, Michael - In: Journal of risk and financial management : JRFM 12 (2019) 2/61, pp. 1-9

correlation model to have been developed to date, namely the widely used Dynamic Conditional Correlation (DCC) model. Dynamic …

Persistent link: https://www.econbiz.de/10012022209

The Curious Case of Portfolio Selection : Analysis of Correlations and Diversification over Time

Oskay, Bora - 2018

Persistent link: https://www.econbiz.de/10012913510

Should Stock Market Indexes Time Varying Correlations Be Taken Into Account? A Conditional Variance Multivariate Approach

Lemand, Ryan - 2022

The episodes of stock market crises in Europe and the U.S.A. since the year 2000, and the fragility of the international stock markets, have sparked the interest of researchers in understanding and in modeling the markets’ rising volatilities in order to prevent against crises. Portfolio...

Persistent link: https://www.econbiz.de/10014236561

Testing multiplicative error models using conditional moment tests

Hautsch, Nikolaus - 2008

We suggest a robust form of conditional moment test as a constructive test for functional misspecification in multiplicative error models. The proposed test has power solely against violations of the conditional mean restriction but is not affected by any other type of model misspecification....

Persistent link: https://www.econbiz.de/10003796125

Unit root tests : the role of the univariate models implied by multivariate time series

Cappuccio, Nunzio; Lubian, Diego - In: Econometrics : open access journal 4 (2016) 2, pp. 1-11

In cointegration analysis, it is customary to test the hypothesis of unit roots separately for each single time series …

Persistent link: https://www.econbiz.de/10011505987

Unemployment and input prices : a fractional cointegration approach

Caporale, Guglielmo Maria; Gil-Alaña, Luis A. - 2000

following the classical approach based on I(0) stationarity or I(1) cointegrating relationships, we use fractional integration/cointegration … three variables are I(1). But we only find cointegration in the presence of autocorrelated disturbances, which means that … opposed to classical cointegration, which implies long memory and slow reversion to equilibrium. This suggests that an …

Persistent link: https://www.econbiz.de/10009614880

Fractional integration and the dynamics of UK unemployment

Gil-Alaña, Luis A.; Henry, S. G. B. - 2000

This article is concerned with the dynamic behaviour of UK unemployment. However, instead of using traditional approaches based on I(0) stationary or I(1) (integrated and/or cointegrated) models, we use the fractional integration framework. In doing so, we allow for a more careful study of the...

Persistent link: https://www.econbiz.de/10009582384

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