Estimating Orthogonal Impulse Responses via Vector Autoregressive Models

Helmut Lütkepohl and Donald Poskitt

Econometric Theory, 1991, vol. 7, issue 4, 487-496

Abstract: Impulse response functions from time series models are standard tools for analyzing the relationship between economic variables. The asymptotic distribution of orthogonalized impulse responses is derived under the assumption that finite order vector autoregressive (VAR) models are fitted to time series generated by possibly infinite order processes. The resulting asymptotic distributions of forecast error variance decompositions are also given.

Date: 1991
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