个体斜率的线性固定效应模型（linear Fixed-effects model with individual-specific slopes，FEIS）
Ludwig, V., & Brüderl, J. (2018). Is there a male marital wage premium? New evidence from the United States.American Sociological Review,83(4), 744-770.
cd "F:\General Database of Social Science\Courses\Courses Materials\波士顿学院\纵贯调查分析\数据"
use hrs_hours,clear
reshape long r@workhours80 r@poorhealth r@married r@totalpar r@siblog h@childlg r@allparhelptw, i(hhid pn) j(wave)
tab wave
Giesselmann, M., & Schmidt-Catran, A. W. (2019). Getting the within estimator of cross-level interactions in multilevel models with pooled cross-sections: Why country dummies (sometimes) do not do the job. Sociological Methodology, 49(1), 190-219.
Allison, P. D., Williams, R., & Moral-Benito, E. (2017). Maximum likelihood for cross-lagged panel models with fixed effects. Socius, 3, 2378023117710578.
