A multilevel factor model: Identification, asymptotic theory and applications
多层因子模型:识别、渐近理论与应用AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要研究全球与国家因子的识别和估计,并以25个OECD国家识别国际商业周期,直接支持宏观因子模型分类。
多层因子模型:识别、渐近理论与应用AI 解读 ↓
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Summary This paper studies a multilevel factor model with global and country factors. The global factors affect all individuals, whereas the country factors affect only those within each specific country. A sequential procedure to identify the global and country factors separately is proposed. In the initial step, the global factors are estimated by canonical correlation analysis. Using this initial estimator, the principal component estimators (PCEs) of the global and country factors are constructed. It is shown that the PCEs estimate the spaces of the global and country factors consistently and are normally distributed in the limit. Several information criteria that can estimate the number of country factors are proposed. The number of global factors is assumed to be known. Extensive simulation results demonstrate that the sequential procedure and information criteria work well in finite samples. The method of this paper is applied to 25 OECD countries to identify an international business cycle. It is reported that the method extracts a global factor reasonably well.