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arXiv 1402.6550math.STstat.TH
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交互效应面板数据模型的理论与方法

Theory and methods of panel data models with interactive effects

Jushan Bai, Kunpeng Li

摘要:

本文研究了具有交互效应的面板数据模型的极大似然估计。受经济学和其他社会科学应用的启发,该模型的一个显著特点是解释变量与未观察到的效应相关。通常的组内估计是不一致的。现有的一致性估计方法要么是针对短时间段的面板数据设计的,要么效率较低。最大似然估计具有理想的性质,并易于实现,所示的Monte Carlo模拟。本文发展了极大似然估计的推论理论,包括相合性、收敛速率和极限分布。我们进一步扩展模型,包括时不变回归和共同回归(截面不变)。时不变回归量的回归系数是时变的,而普通回归量的系数是横截面变化的。

英文摘要:

This paper considers the maximum likelihood estimation of panel data models with interactive effects. Motivated by applications in economics and other social sciences, a notable feature of the model is that the explanatory variables are correlated with the unobserved effects. The usual within-group estimator is inconsistent. Existing methods for consistent estimation are either designed for panel data with short time periods or are less efficient. The maximum likelihood estimator has desirable properties and is easy to implement, as illustrated by the Monte Carlo simulations. This paper develops the inferential theory for the maximum likelihood estimator, including consistency, rate of convergence and the limiting distributions. We further extend the model to include time-invariant regressors and common regressors (cross-section invariant). The regression coefficients for the time-invariant regressors are time-varying, and the coefficients for the common regressors are cross-sectionally varying.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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