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| نموذج التأثيرات العشوائية للبيانات المقطعية× | تحليل بيانات السلاسل الزمنية المقطعية× | |
|---|---|---|
| المجال | الاقتصاد القياسي | الاقتصاد القياسي |
| العائلة | Regression model | Regression model |
| سنة النشأة≠ | 1966 | 1966–1978 |
| صاحب الطريقة≠ | Balestra & Nerlove | Balestra & Nerlove (1966); Mundlak (1978); Hausman (1978) |
| النوع≠ | Panel data estimator | Panel regression framework |
| المصدر التأسيسي≠ | Balestra, P., & Nerlove, M. (1966). Pooling cross section and time series data in the estimation of a dynamic model: The demand for natural gas. Econometrica, 34(3), 585–612. DOI ↗ | Baltagi, B. H. (2021). Econometric Analysis of Panel Data (6th ed.). Springer. ISBN: 978-3030539528 |
| الأسماء البديلة | random effects estimator, RE model, GLS random effects, error components model | longitudinal data analysis, pooled cross-sectional time-series analysis, panel regression, data panel analysis |
| ذات صلة | 5 | 5 |
| الملخص≠ | The panel random effects (RE) model treats individual-specific effects as random draws from a population distribution rather than fixed constants, enabling efficient estimation by generalised least squares and allowing inference about time-invariant regressors that are swept away in fixed effects estimation. | 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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