Nonparametric Retrospection and Monitoring of Predictability of Financial Returns
金融收益可预测性的非参数回溯检验与监测AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要明确以金融收益的方向和均值可预测性为检验对象,并涉及超额盈利检验与股市应用,因此归入收益预测。
金融收益可预测性的非参数回溯检验与监测AI 解读 ↓
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We develop and evaluate sequential testing tools for a class of nonparametric tests for predictability of financial returns that include, in particular, the directional accuracy and excess profitability tests. Our sequential methods consider in a unified framework both retrospection of a historical sample and monitoring newly arriving data. To this end, we focus on linear monitoring boundaries that are continuations of horizontal lines corresponding to retrospective critical values, elaborating on both two-sided and one-sided testing. We run a simulation study and illustrate the methodology by testing for directional and mean predictability of returns in young stock markets in Eastern Europe.