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Forecasting cointegrated VARMA processes

Lütkepohl, Helmut - 1999

Persistent link: https://www.econbiz.de/10009581104

Stability results for nonlinear vector autoregressions with an application to a nonlinear error correction model

Saikkonen, Pentti - 2001

This paper improves previous sufficient conditions for stationarity obtained in the context of a general nonlinear vector autoregressive model with nonlinear autoregressive conditional heteroskedasticity. The results are proved by using the stability theory developed for Markov chains....

Persistent link: https://www.econbiz.de/10009616775

Estimating the Kronecker indices of cointegrated echelon form VARMA models

Bartel, Holger; Lütkepohl, Helmut - 1997

Cointegrated VARMA models can be parameterized by using the echelon form, which is characterized by the Kronecker indices. Three different methods for estimating the Kronecker indices of cointegrated echelon form VARMA models are discussed and compared. They have the common feature of estimating...

Persistent link: https://www.econbiz.de/10009630541

A generalized fractional time series model

Gil-Alaña, Luis A. - 2000

We propose in this article a general time series model, whose components are modelled in terms of fractionally integrated processes. This specification allows us to consider the trend, the seasonal and the cyclical components as stochastic processes, including the unit root models as particular...

Persistent link: https://www.econbiz.de/10009612016

Fractional integration and business cycle features

Candelon, Bertrand; Gil-Alaña, Luis A. - 2001

We show in this article that fractionally integrated univariate models for GDP may lead to a better replication of business cycle characteristics. We firstly show that the business cycle features are clearly affected by the degree of integration as well as by the other short run components of...

Persistent link: https://www.econbiz.de/10009614295

Rank tests for nonlinear cointegration

Breitung, Jörg - 1998

A test procedure based on ranks is suggested to test for nonlinear cointegration. For two (or more) time series it is … is no cointegration between the time series, the sequences of ranks tend to diverge, whereas under cointegration the … perform better than their parametric competitors. To test for nonlinear cointegration a variable addition test based on ranks …

Persistent link: https://www.econbiz.de/10009578004

Testing for the cointegrating rank of a VAR process with an intercept

Saikkonen, Pentti; Lütkepohl, Helmut - 1998

Testing the cointegrating rank of a vector autoregressive process with an intercept is considered. In addition to the likelihood ratio (LR) tests developed by Johansen and Juselius and others we also consider an alternative class of tests which is based on estimating the trend parameters of the...

Persistent link: https://www.econbiz.de/10009578014

Testing for the cointegrating rank of a VAR process with structural shifts

Saikkonen, Pentti; Lütkepohl, Helmut - 2001

cointegration tests are applied to the adjusted series. The resulting tests are shown to have known limiting null distributions …

Persistent link: https://www.econbiz.de/10009578552

Modelling seasonality with fractionally integrated processes

Gil-Alaña, Luis A. - 2000

We propose in this article the use of a particular version of the tests of Robinson (1994) for testing seasonally fractionally integrated processes. The tests have standard null and local limit distributions and allow us to test unit and fractional seasonal roots even with different amplitudes...

Persistent link: https://www.econbiz.de/10009582382

Fractional cointegration and tests of present value models

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

the null hypothesis of no cointegration against alternatives which are fractionally cointegrated. Monte Carlo simulations … (EMH) ; Present Value (PV) models ; fractional cointegration …

Persistent link: https://www.econbiz.de/10009582383

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