Multi-Horizon Forecast Comparison
多期限预测比较AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要的核心是多期限预测能力检验和模型置信集,并以宏观经济变量为应用,直接对应宏观预测方法。
多期限预测比较AI 解读 ↓
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We introduce tests for multi-horizon superior predictive ability (SPA). Rather than comparing forecasts of different models at multiple horizons individually, we propose to jointly consider all horizons of a forecast path. We define the concepts of uniform and average SPA. The former entails superior performance at each individual horizon, while the latter allows inferior performance at some horizons to be compensated by others. The article illustrates how the tests lead to more coherent conclusions, and how they are better able to differentiate between models than the single-horizon tests. We provide an extension of the previously introduced model confidence set to allow for multi-horizon comparison of more than two models. Simulations demonstrate appropriate size and high power. An illustration of the tests on a large set of macroeconomic variables demonstrates the empirical benefits of multi-horizon comparison.