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首页> 外文期刊>Journal of Econometrics >A generalized nonlinear IV unit root test for panel data with cross-sectional dependence
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A generalized nonlinear IV unit root test for panel data with cross-sectional dependence

机译:具有截面相关性的面板数据的广义非线性IV单位根检验

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摘要

This paper proposes a unit root test for panel data with cross-sectional dependence. The test generalizes the nonlinear IV unit root test of Chang (2002) to the case where there exist some common factors in panels. The main idea is to eliminate the cross-sectional dependence through the method of principal components as in Bai and Ng (2004) and then apply Chang's test to the treated data. Under certain conditions, the proposed test is consistent and has a standard normal limiting distribution under the null hypothesis. Simulation results show that the proposed test compares favorably to other alternative tests.
机译:本文提出了具有截面相关性的面板数据的单位根检验。该测试将Chang(2002)的非线性IV单位根检验推广到面板中存在某些共同因素的情况。主要思想是通过使用Bai和Ng(2004)中的主成分方法消除截面相关性,然后将Chang的检验应用于处理后的数据。在某些条件下,所提出的检验是一致的,并且在原假设下具有标准正态极限分布。仿真结果表明,所提出的测试优于其他替代测试。

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