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| Phân tích độ nhạy không gian cho tính nhân quả× | Mô hình trễ không gian (SAR / Spatial Autoregressive)× | |
|---|---|---|
| Lĩnh vực≠ | Suy luận nhân quả | Phân tích không gian |
| Họ | Regression model | Regression model |
| Năm ra đời≠ | 1988–2021 (developed progressively) | 1988 |
| Người khởi xướng≠ | Anselin (1988) for spatial diagnostics; Reich et al. (2021) for spatial causal frameworks | Anselin (textbook formalisation); LeSage & Pace |
| Loại≠ | Sensitivity / robustness analysis | Spatial autoregressive regression |
| Công trình gốc≠ | Anselin, L. (1988). Spatial Econometrics: Methods and Models. Kluwer Academic Publishers, Dordrecht. ISBN: 978-9024737322 | Anselin, L. (1988). Spatial Econometrics: Methods and Models. Kluwer Academic. DOI ↗ |
| Tên gọi khác | spatial causal sensitivity, spatial robustness checks, SSAC, spatial confounding sensitivity | SAR model, spatial autoregressive model, spatial lag, Uzamsal Gecikme Modeli (SAR / Spatial Lag) |
| Liên quan≠ | 6 | 5 |
| Tóm tắt≠ | Spatial sensitivity analysis for causality systematically tests whether a causal estimate derived from georeferenced data holds up as spatial structure, spillovers, and the choice of spatial weights matrix are varied. Because nearby units often share unmeasured confounders — soil quality, local infrastructure, neighbourhood norms — a naive regression may yield biased causal estimates. This method reveals how fragile or robust a claimed causal effect is to alternative spatial specifications. | The Spatial Lag Model is an autoregressive regression that assumes spatial dependence in the dependent variable itself: the outcome values of neighbouring units enter the model as an explanatory term (ρWy). It was formalised in Anselin's Spatial Econometrics (1988) and developed further by LeSage and Pace (2009), and it decomposes spillover effects into direct, indirect, and total impacts. |
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