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The paper derives a test for equal predictability of multi-step-ahead system forecasts that is invariant to linear transformations. The test is a multivariate version of the Diebold-Mariano test. An invariant metric for multi-step-ahead system forecasts is necessary as the conclusions otherwise...
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Our paper examines the accuracy of growth and inflation forecasts for 19 countries, published by the International Monetary Fund, the Organisation for Economic Cooperation and Development, Germany's Joint Diagnosis, or FERI, a private German forecaster, during 2001–2015. Despite dismal...
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