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Autore:
Faliva, Mario
Titolo:
Matrix polynomials and their inversion: the algebric framework of unit-root econometrics representation theorems [Articolo]
Pubblicazione:
Dep. of Statistical Sciences "Paolo Fortunati", Università di Bologna, 2007-10-22
Abstract:

In this paper the issue of the inversion of a matrix polynomial about a unit root is tackled by resorting to Laurent expansion: The principal-part matrix coefficients associated with a simple and a second order pole are properly characterized and closed-form expressions are derived by virtue of a recent result on partitioned inversion (Faliva and Zoia, 2002). This eventually sheds more light on the analytical foundations of unit-root econometrics which in turn paves the way to an elegant unified representation theorem for (co)integrated processes up to the second order.

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Note:
Diritti: Copyright (c) 2002 Statistica

In relazione con: https://rivista-statistica.unibo.it/article/view/1264/677

Sorgente: Statistica; Vol. 62 No. 2 (2002); 187-202

Sorgente: Statistica; V. 62 N. 2 (2002); 187-202

Sorgente: 1973-2201

Sorgente: 0390-590X

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ISSN:
1973-2201
Altri identificativi:
oai:journals.unibo.it:article/1264. | 10.6092/issn.1973-2201/1264
Altri autori:
Zoia, Maria Grazia


Articoli digitali. | Lingua: Inglese. | Paese: | BID: EJ21014695
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