विधियों की तुलना करें
चुनी हुई विधियों की आमने-सामने समीक्षा करें; भिन्नता वाली पंक्तियाँ रेखांकित हैं।
| पैनल फिक्स्ड इफेक्ट्स मॉडल× | पैनल ओएलएस (पूल्ड ऑर्डिनरी लीस्ट स्क्वेयर्स)× | |
|---|---|---|
| क्षेत्र | अर्थमिति | अर्थमिति |
| परिवार | Regression model | Regression model |
| उद्भव वर्ष≠ | 1978 | 1986-2003 |
| प्रवर्तक≠ | Mundlak (1978); classical treatment in Wooldridge (2010) and Baltagi (2021) | Classical least squares applied to pooled panels; foundational treatment in Hsiao (2003) and Wooldridge (2010) |
| प्रकार≠ | Panel regression estimator | Linear panel regression |
| मौलिक स्रोत | Wooldridge, J. M. (2010). Econometric Analysis of Cross Section and Panel Data (2nd ed.). MIT Press. ISBN: 978-0262232586 | Wooldridge, J. M. (2010). Econometric Analysis of Cross Section and Panel Data (2nd ed.). MIT Press. ISBN: 978-0262232586 |
| उपनाम | within estimator, FE model, within-group estimator, LSDV model | pooled OLS, pooled ordinary least squares, panel least squares, POLS |
| संबंधित≠ | 5 | 4 |
| सारांश≠ | The panel fixed effects (FE) model controls for all time-invariant, unit-specific unobserved heterogeneity by absorbing it into individual intercepts. By sweeping out unit means through the within transformation, FE yields unbiased estimates of the effect of time-varying regressors even when omitted unit-level confounders are correlated with those regressors. | Panel OLS — also called Pooled OLS — applies the classical ordinary least squares estimator to panel data by stacking all cross-sectional units and time periods into a single sample. It estimates one common set of slope coefficients under the assumption that the intercept and slopes are homogeneous across units and time. |
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