On the aggregation of probability assessments: Regularized mixtures of predictive densities for Eurozone inflation and real interest rates
概率预测的聚合:欧元区通胀与实际利率预测密度的正则化混合AI 解读 ↓
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概率预测的聚合:欧元区通胀与实际利率预测密度的正则化混合AI 解读 ↓
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We propose methods for constructing regularized mixtures of density forecasts. We explore a variety of objectives and regularization penalties, and we use them in a substantive exploration of Eurozone inflation and real interest rate density forecasts. All individual inflation forecasters (even the ex post best forecaster) are outperformed by our regularized mixtures. From the Great Recession onward, the optimal regularization tends to move density forecasts’ probability mass from the centers to the tails, correcting for overconfidence.
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