Forecasting with Bayesian Global Vector Autoregressive Models: A Comparison of Priors
Jesus Crespo Cuaresma (),
Martin Feldkircher and
Working Papers from Oesterreichische Nationalbank (Austrian Central Bank)
This paper puts forward a Bayesian version of the global vector autoregressive model (B-GVAR) that accommodates international linkages across countries in a system of vector autoregressions. We compare the predictive performance of B-GVAR models for the one- and four-quarter ahead forecast horizon for standard macroeconomic variables (real GDP, inflation, the real exchange rate and interest rates). Our results show that taking international linkages into account improves forecasts of inflation, real GDP and the real exchange rate, while for interest rates forecasts of univariate benchmark models remain difficult to beat. Our Bayesian version of the GVAR model outperforms forecasts of the standard cointegrated VAR for practically all variables and at both forecast horizons. The comparison of prior elicitation strategies indicates that the use of the stochastic search variable selection (SSVS) prior tends to improve out-of-sample predictions systematically. This finding is confirmed by density forecast measures, for which the predictive ability of the SSVS prior is the best among all priors entertained for all variables at all forecasting horizons.
Keywords: Forecasting; with; Bayesian; Global; Vector; Autoregressive; Models:; A; Comparison; of; Priors (search for similar items in EconPapers)
JEL-codes: C32 E32 F44 O54 (search for similar items in EconPapers)
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