Priors, posteriors and Bayes factors for a Bayesian analysis of cointegration. (English) Zbl 1030.62018
Summary: Cointegration occurs when the long-run multiplier matrix of a vector autoregressive model exhibits rank reduction. Using a singular value decomposition of the unrestricted long-run multiplier matrix, we construct a parameter that reflects the presence of rank reduction. Priors and posteriors of the parameters of the cointegration model follow from conditional priors and posteriors of the unrestricted long-run multiplier matrix given that the parameter that reflects rank reduction is equal to zero.
This idea leads to a complete Bayesian framework for cointegration analysis. It includes prior specification, simulation schemes for obtaining posterior distributions and determination of the cointegration rank via Bayes factors. We apply the proposed Bayesian cointegration analysis to the Danish data of S. Johansen and K. Juselius [Oxford Bull. Econ. Stat. 52, 169-210 (1990)].
This idea leads to a complete Bayesian framework for cointegration analysis. It includes prior specification, simulation schemes for obtaining posterior distributions and determination of the cointegration rank via Bayes factors. We apply the proposed Bayesian cointegration analysis to the Danish data of S. Johansen and K. Juselius [Oxford Bull. Econ. Stat. 52, 169-210 (1990)].
MSC:
| 62F15 | Bayesian inference |
| 62M10 | Time series, auto-correlation, regression, etc. in statistics (GARCH) |
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