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Accuracy and Properties of German Business Cycle Forecasts
Applied Economics Quarterly, Vol. 54 (2008), Iss. 1 : pp. 27–57
7 Citations (CrossRef)
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1Centre for European Economic Research (ZEW), P.O. Box 103443, D-68034 Mannheim, Germany; Phone: +49 / 621 / 1235 – 165, Fax: +49 / 621 / 1235 – 223.
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Abstract
In this paper the accuracy of a wide range of German business cycle forecasters is assessed for the period from 1995 to 2005. For this purpose, a data set is used comprising forecasts published on a monthly basis by Consensus Economics. The application of several descriptive as well as statistical measures reveals that the accuracy of the 2-years forecasts is low relative to a simple naïve forecast. This observation can mainly be explained by a systematic overestimation of the growth rates by the forecasters. Moreover, the lack of accuracy can also be explained partly by insufficient information efficiency as well as imitation behaviour. Finally, it is shown that notwithstanding the common errors which affected the accuracy of all forecasters mainly because of their systematic overestimation, they differ significantly in their forecast accuracy.