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| نموذج التأثيرات الثابتة غير الخطية× | تحليل بيانات السلاسل الزمنية المقطعية× | |
|---|---|---|
| المجال | الاقتصاد القياسي | الاقتصاد القياسي |
| العائلة | Regression model | Regression model |
| سنة النشأة≠ | 1984 | 1966–1978 |
| صاحب الطريقة≠ | Gary Chamberlain | Balestra & Nerlove (1966); Mundlak (1978); Hausman (1978) |
| النوع≠ | Panel data estimator | Panel regression framework |
| المصدر التأسيسي≠ | Chamberlain, G. (1984). Panel data. In Z. Griliches & M. D. Intriligator (Eds.), Handbook of Econometrics (Vol. 2, pp. 1247–1318). Elsevier. link ↗ | Baltagi, B. H. (2021). Econometric Analysis of Panel Data (6th ed.). Springer. ISBN: 978-3030539528 |
| الأسماء البديلة | nonlinear FE model, NLFE, conditional fixed effects model, incidental parameters model | longitudinal data analysis, pooled cross-sectional time-series analysis, panel regression, data panel analysis |
| ذات صلة | 5 | 5 |
| الملخص≠ | The nonlinear fixed effects model extends fixed effects panel estimation to outcomes governed by nonlinear response functions — such as binary, count, or censored outcomes — while absorbing unobserved individual heterogeneity through unit-specific intercepts. Key special cases include conditional logit for binary outcomes and Poisson fixed effects for count data. | Panel data analysis models data that track multiple units — countries, firms, individuals — over time, enabling researchers to control for unobserved unit-level heterogeneity that would otherwise bias cross-sectional or time-series estimates. The two core specifications are fixed effects and random effects, selected via the Hausman test. |
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