ESTIMATION OF THE VECTOR MOVING AVERAGE MODEL BY VECTOR AUTOREGRESSION

John Galbraith, Aman Ullah and Victoria Zinde-Walsh

Econometric Reviews, 2002, vol. 21, issue 2, 205-219

Abstract: We examine a simple estimator for the multivariate moving average model based on vector autoregressive approximation. In finite samples the estimator has a bias which is low where roots of the characteristic equation are well away from the unit circle, and more substantial where one or more roots have modulus near unity. We show that the representation estimated by this multivariate technique is consistent and asymptotically invertible. This estimator has significant computational advantages over Maximum Likelihood, and more importantly may be more robust than ML to mis-specification of the vector moving average model. The estimation method is applied to a VMA model of wholesale and retail inventories, using Canadian data on inventory investment, and allows us to examine the propagation of shocks between the two classes of inventory.

Keywords: Vector autoregression; Vector moving average; JEL Classification:; C12; C22 (search for similar items in EconPapers)
Date: 2002
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Citations: View citations in EconPapers (14)

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DOI: 10.1081/ETC-120014349

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