手法を比較

	フーリエパネルデータ分析	構造的変動パネルデータ分析
分野	計量経済学	計量経済学
系統	Regression model	Regression model
提唱年	2006 (Fourier framework); panel extensions 2010s	1998-2010
提唱者	Becker, Enders, and Lee (Fourier unit root framework); extended to panel data by subsequent applied econometricians	Bai & Perron (1998); extended to panels by Bai (2010) and Joseph et al.
種類	Panel regression with Fourier terms	Panel time-series model with regime shifts
原典	Becker, R., Enders, W., & Lee, J. (2006). A stationary test in the presence of an unknown number of smooth breaks. Journal of Time Series Analysis, 27(3), 381-409.	Bai, J., & Perron, P. (1998). Estimating and testing linear models with multiple structural changes. Econometrica, 66(1), 47-78.
別名	Fourier panel regression, smooth structural break panel model, trigonometric panel data model, Fourier-flexible panel estimator	panel structural break test, break-point panel model, panel change-point analysis, regime-shift panel analysis
関連	6	4
概要	Fourier panel data analysis embeds trigonometric sine and cosine terms into a standard panel regression to approximate smooth, gradual structural shifts in the data-generating process. Rather than assuming a sharp break at a known date, the Fourier approach lets the data reveal the timing and shape of any structural change through a flexible trigonometric approximation, while retaining the cross-sectional and time-series structure of panel data.	Structural break panel data analysis detects and estimates points in time — break dates — where the underlying regression coefficients shift permanently across a panel of cross-sectional units observed over multiple periods. By jointly exploiting cross-sectional and time-series variation, it offers sharper identification of regime shifts than single-series break tests, and it delivers separate coefficient estimates for each regime before and after each break.