Thursday, December 12, 2019
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IMF Growth Projections and Overfitting in Judgment-based Economic Forecasts

In a recent IMF working paper "Overfitting in Judgment-based Economic Forecasts: The Case of IMF Growth Projections", economist Klaus-Peter Hellwig examined IMF's World Economic Forecasts (WEO) and check if the forecast model suffer from the problem of overfitting.