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Has The Accuracy of Macroeconomic Forecasts for Germany Improved?

机译:德国宏观经济预测的准确性是否有所提高?

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This study asks whether the accuracy of macroeconomic forecasts for Germany has improved over time. We examine one-year-ahead forecasts of rates of real GDP growth and inflation for the years 1967-2010, by three major German forecasters and the OECD. We find that overall error levels are high but not much different from those of the U.S. and U.K. In the 1980s and 1990s accuracy improved somewhat, but has now returned to its 1970s level, indicating that it reflects the variance of growth and inflation. Benchmark comparisons with these predictions with ex post forecasts of a macroeconometric model indicate that accuracy can be improved, but it will be difficult to achieve.
机译:这项研究询问德国宏观经济预测的准确性是否随着时间的推移有所提高。我们研究了德国三大主要预测机构和经合组织对1967-2010年实际GDP增长率和通胀率的提前一年预测。我们发现总体误差水平很高,但与美国和英国的误差水平相差无几。在1980年代和1990年代,准确度有所提高,但现在又回到了1970年代的水平,这表明它反映了增长和通货膨胀的差异。将这些预测与宏观计量经济学模型的事后预测进行基准比较,可以提高准确性,但很难实现。

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