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- Control functions (also known as two-stage residual inclusion) are statistical methods to correct for endogeneity problems by modelling the endogeneity in the error term. The approach thereby differs in important ways from other models that try to account for the same econometric problem. Instrumental variables, for example, attempt to model the endogenous variable X as an often invertible model with respect to a relevant and exogenous instrument Z. Panel analysis uses special data properties to difference out unobserved heterogeneity that is assumed to be fixed over time. Control functions were introduced by Heckman and Robb although the principle can be traced back to earlier papers. A particular reason why they are popular is because they work for non-invertible models (such as discrete choice models) and allow for heterogeneous effects, where effects at the individual level can differ from effects at the aggregate. A well-known example of the control function approach is the Heckman correction. (en)
- En économétrie et en statistique, une fonction de contrôle est une méthode permettant de corriger l'endogénéité. Par exemple, la méthode développée par James Heckman pour corriger le biais de sélection est apparentée à une méthode à fonction de contrôle. (fr)
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- 9265 (xsd:nonNegativeInteger)
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- En économétrie et en statistique, une fonction de contrôle est une méthode permettant de corriger l'endogénéité. Par exemple, la méthode développée par James Heckman pour corriger le biais de sélection est apparentée à une méthode à fonction de contrôle. (fr)
- Control functions (also known as two-stage residual inclusion) are statistical methods to correct for endogeneity problems by modelling the endogeneity in the error term. The approach thereby differs in important ways from other models that try to account for the same econometric problem. Instrumental variables, for example, attempt to model the endogenous variable X as an often invertible model with respect to a relevant and exogenous instrument Z. Panel analysis uses special data properties to difference out unobserved heterogeneity that is assumed to be fixed over time. (en)
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- Control function (econometrics) (en)
- Fonction de contrôle (fr)
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