Determinants of Multi-period Forecast Uncertainty Using a Panel of Density Forecasts

Fushang Liu and Kajal Lahiri

No 329, Econometric Society 2004 Australasian Meetings from Econometric Society

Abstract: This paper examines the determinants of inflation forecast uncertainty using a panel of density forecasts from the Survey of Professional Forecasters (SPF). We show that previous studies based on aggregate data are biased due to heterogeneity of individual forecasts. Instead, we estimate a dynamic heterogeneous panel data model. We find that, although past forecast uncertainty is important, it is not as important as previously thought. In addition, the strong link between past squared forecast errors and the current forecast uncertainty, as often is found in the GARCH literature, is largely lost in the multi-period context with varying forecast horizons. Forecasters are found to pay more attention to recent “news†about inflation than the out-dated past squared forecast errors. We propose a novel way to estimating uncertainty of “news†using Kullback-Leibler Information, and show that it is an important determinant of the current inflation forecast uncertainty. Our results also support Friedman (1977)’s conjecture that higher inflation rate leads to higher inflation uncertainty

Keywords: Forecast uncertainty; Heterogeneity of forecasts; Panel data; Survey of professional forecasters; Dynamic panels (search for similar items in EconPapers)
JEL-codes: C23 E31 E37 (search for similar items in EconPapers)
Date: 2004-08-11
New Economics Papers: this item is included in nep-ecm and nep-ets
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Persistent link: https://EconPapers.repec.org/RePEc:ecm:ausm04:329

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