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Wyszukujesz frazę "cointegration" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Bayesian Analysis of Weak Form Reduced Rank Structure in VEC Models
Autorzy:
Wróblewska, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/483347.pdf
Data publikacji:
2011
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cointegration
Bayesian analysis
common cyclical features
Opis:
The concept of cointegration that enables the proper statistical analysis of long-run comovements between unit root processes has been of great interest to numerous economic investigators since it was introduced. However, investigation of short-run comovement between economic time series seems equally important, especially for economic decision-makers. The concept of common features and based on it the idea of two additional reduced rank structure forms in a VEC model (the strong and the weak one) may be of some help. The strong form reduced rank structure (SF) takes place when at least one linear combination of the first differences of the variables exists, which is white noise. However, when this assumption seems too strong, the weaker case can be considered. The weak form appears when the linear combination of first differences adjusted for long-run efects exists, which is white noise. The main focus of this paper is a Bayesian analysis of the VEC models involving the weak form of reduced rank restrictions. After the introduction and discussion of the said Bayesian model, the presented methods will be illustrated by an empirical investigation of the price - wage spiral in the Polish economy.
Źródło:
Central European Journal of Economic Modelling and Econometrics; 2011, 3, 3; 169-186
2080-0886
2080-119X
Pojawia się w:
Central European Journal of Economic Modelling and Econometrics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bayesian Model Selection in the Analysis of Cointegration
Autorzy:
Wróblewska, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/483357.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cointegration
Bayesian analysis
Grassmann manifold
Stiefel manifold
posterior probability
Opis:
In this paper we present the Bayesian model selection procedure within the class of cointegrated processes. In order to make inference about the cointegration space we use the class of Matrix Angular Central Gaussian distributions. To carry out posterior simulations we use an alorithm based on the collapsed Gibbs sampler. The presented methods are applied to the analysis of the price - wage mechanism in the Polish economy.
Źródło:
Central European Journal of Economic Modelling and Econometrics; 2009, 1, 1; 57-69
2080-0886
2080-119X
Pojawia się w:
Central European Journal of Economic Modelling and Econometrics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bayesian Analysis of Weak Form Polynomial Reduced Rank Structures in VEC Models
Autorzy:
Wróblewska, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/483287.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cointegration
Bayesian analysis
polynomial common cyclical features
permanent-transitory decompostion
Opis:
The main goal of the paper is the Bayesian analysis of weak form polynomial serial correlation common features together with cointegration. In the VEC model the serial correlation common feature leads to an additional reduced rank restriction imposed on the model parameters. After the introduction and discussion of the model, the methods will be illustrated with an empirical investigation of the price-wage nexus in the Polish economy. Additionally, consequences of imposing such additional short-run restrictions for permanent-transitory decomposition will be discussed.
Źródło:
Central European Journal of Economic Modelling and Econometrics; 2012, 4, 4; 253-267
2080-0886
2080-119X
Pojawia się w:
Central European Journal of Economic Modelling and Econometrics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Common Trends and Common Cycles - Bayesian Approach
Autorzy:
Wróblewska, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/2076539.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
cointegration
Bayesian analysis
common cyclical features
matrix Bingham-von Mises-Fisher distribution
matrix Langevin-Bingham distribution
Opis:
In 1993 Engle and Kozicki proposed the notion of common features of which one example is a serial correlation common feature. We say that stationary, noninnovation processes exhibit common serial correlation when there exists at least one linear combination of them which is an innovation. Later on in 1993 Vahid and Engle combined the notions of cointegration among I(1) processes with common serial correlation within their first differences. It is commonly known that cointegrated time series have vector error correction (VEC) representation. The existence of common serial correlation leads to an additional reduced rank restriction imposed on the VEC model’s parameters. This type of restriction was later termed a strong form (SF) reduced rank structure, as opposed to a weak one introduced in 2006 by Hecq, Palm and Urbain. The main aim of the present paper is to construct the Bayesian vector error correction model with these additional strong form restrictions. The empirical validity of investigating both the short- and long-run comovements between macroeconomic time series will be illustrated by the analysis of the price-wage nexus in the Polish economy.
Źródło:
Central European Journal of Economic Modelling and Econometrics; 2015, 2; 91-110
2080-0886
2080-119X
Pojawia się w:
Central European Journal of Economic Modelling and Econometrics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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