Have the effects of shocks to oil price expectations changed? Evidence from heteroskedastic proxy vector autoregressions

Bruns, Martin and Lütkepohl, Helmut (2023) Have the effects of shocks to oil price expectations changed? Evidence from heteroskedastic proxy vector autoregressions. Economics Letters, 233. ISSN 0165-1765

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Abstract

Studies of the crude oil market based on structural vector autoregressive (VAR) models typically assume a time-invariant model and transmission of shocks and possibly allow for heteroskedasticity by using robust inference procedures. We assume a heteroskedastic reduced-form VAR model with time-invariant slope coefficients and explicitly consider the possibility of time-varying shock transmission due to heteroskedasticity. We study a model for the global crude oil market that includes key world and U.S. macroeconomic variables and find evidence for changes in the transmission of shocks to oil price expectations during the last decades which can be attributed to heteroskedasticity.

Item Type:	Article
Faculty \ School:	Faculty of Social Sciences > School of Economics
UEA Research Groups:	Faculty of Social Sciences > Research Groups > Applied Econometrics And Finance
Depositing User:	LivePure Connector
Date Deposited:	08 Nov 2023 03:35
Last Modified:	10 Nov 2023 03:23
URI:	https://ueaeprints.uea.ac.uk/id/eprint/93597
DOI:	10.1016/j.econlet.2023.111416

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