পদ্ধতির তুলনা করুন
নির্বাচিত পদ্ধতিগুলো পাশাপাশি পর্যালোচনা করুন; যে সারিগুলোয় পার্থক্য আছে সেগুলো চিহ্নিত করা হয়।
| নেটওয়ার্ক অর্থনীতি (Peer Effects)× | Spatial Lag Model (SAR / Spatial Autoregressive)× | |
|---|---|---|
| ক্ষেত্র≠ | অর্থমিতি | স্থানিক বিশ্লেষণ |
| পরিবার | Regression model | Regression model |
| উদ্ভবের বছর≠ | 2009 | 1988 |
| প্রবর্তক≠ | Yann Bramoullé, Habiba Djebbari & Bernard Fortin | Anselin (textbook formalisation); LeSage & Pace |
| ধরন≠ | Linear-in-means peer effects regression | Spatial autoregressive regression |
| মৌলিক উৎস≠ | Bramoullé, Y., Djebbari, H., & Fortin, B. (2009). Identification of peer effects through social networks. Journal of Econometrics, 150(1), 41–55. DOI ↗ | Anselin, L. (1988). Spatial Econometrics: Methods and Models. Kluwer Academic. DOI ↗ |
| অপর নাম | Social Interactions Model, Peer Effects Model, Social Network Regression, Ağ Ekonometrisi | SAR model, spatial autoregressive model, spatial lag, Uzamsal Gecikme Modeli (SAR / Spatial Lag) |
| সম্পর্কিত≠ | 3 | 5 |
| সারসংক্ষেপ≠ | Network econometrics estimates how individuals' outcomes are causally shaped by the behaviour and characteristics of their social-network neighbours. Formalised by Bramoullé, Djebbari, and Fortin (2009), the framework embeds a row-normalised adjacency matrix into a linear regression, separating endogenous peer effects (imitation of outcomes), exogenous contextual effects (influence of neighbours' attributes), and correlated effects (shared environment), while using network topology to construct valid instruments. | 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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