Strong rules for detecting the number of breaks in a time series
检测时间序列结构突变数量的强一致规则AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要以时间序列均值结构突变的数量检测为核心,并讨论序列依赖和长期方差,因此对应结构变化与时间序列。
检测时间序列结构突变数量的强一致规则AI 解读 ↓
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This paper proposes a new approach for detecting the number of structural breaks in a time series when estimation of the breaks is performed one at the time. We consider the case of shifts in the mean of a possibly nonlinear process, allowing for dependent and heterogeneous observations. This is accomplished through a simple, sequential, almost sure rule ensuring that, in large samples, both the probabilities of overestimating and underestimating the number of breaks are zero. A new estimator for the long run variance which is consistent also in the presence of neglected breaks is proposed. The finite sample behavior is investigated via a simulation exercise. The sequential procedure, applied to the weekly Eurodollar interest rate, detects multiple breaks over the period 1973-1995.