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model and sharp set identification is demonstrated. Point identification is typically not achieved by imposing parametric …
Persistent link: https://www.econbiz.de/10010288441
Since identification, instrumental variables and variables exclusion, core concepts in econometrics, are entwined …, several questions arise: How is identification related to the existence of IVs? How are identification criteria related to …
Persistent link: https://www.econbiz.de/10012058691
This note provides a simple exposition of what IV can and cannot estimate in a model with binary treatment variable and heterogenous treatment effects. It shows how linear IV is essentially a misspecification of functional form and the reason why linear IV estimates will generally depend on the...
Persistent link: https://www.econbiz.de/10014587510
well as an instrument set for the former is considered. Procedures for identification, operating on moments up to a certain … latent regressor. Simple order-conditions are derived, and procedures involving recursive identification of the moments of … Method of Moments (GMM) algorithm involving the instruments and proceeding stepwise from the identification procedures, is …
Persistent link: https://www.econbiz.de/10011694188
the use of instrumental variables and discuss conditions under which partial and point identification are obtained. We … update the identification results of Chernozhukov and Hansen (2005). We illustrate the modelling assumptions through …
Persistent link: https://www.econbiz.de/10009747939
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This paper examines three distinct hypothesis testing problems that arise in the context of identification of some … identification in some nonparametric models with endogeneity involving mean independence restrictions. These conditions are typically … identification directly in some nonparametric models with endogeneity involving quantile independence restrictions. For each of these …
Persistent link: https://www.econbiz.de/10009567825
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