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This paper outlines a two-stage technique for estimation and inference in probit models with structural group effects. The structural group specification belongs to a broader class of random components models. In particular, individuals in a given group share a common component in the...
Persistent link: https://www.econbiz.de/10012474429
over time, own (adult) health and inputs into the production of own health, fertility, and child quality or well …-being reflected by their health and cognitive development. I pay a good deal of attention to the effects of education on health … because they are the two most important sources of human capital: knowledge capital and health capital. There is a large …
Persistent link: https://www.econbiz.de/10012467095
reflects the impact of the industrialization process. This interpretation, however, relies on sources subject to selection bias … correcting for) selection bias. The diagnostic applied to four samples that underlay the industrialization puzzle shows …
Persistent link: https://www.econbiz.de/10012457418
') bias in the estimates and, after due account is taken of this bias, we find that differences due to estimation method are …
Persistent link: https://www.econbiz.de/10012471319
In this paper, I present a simple characterization of the sample selection bias problem that is also applicable to the … problem of sample selection bias is fit within the conventional specification error framework of Griliches and Theil. A simple … estimator is discussed that enables analysts to utilize ordinary regression methods to estimate models free of selection bias …
Persistent link: https://www.econbiz.de/10012478957
Non-random assignment of students to teachers can bias value added estimates of teachers' causal effects. Rothstein … to important bias but other feasible specifications are nearly free of bias. I also consider the case where assignments … the bias depending on the amount of information available for use in classroom assignments …
Persistent link: https://www.econbiz.de/10012463981
censored population. We then correct the derivative for the effects of the selection bias. We propose nonparametric and …
Persistent link: https://www.econbiz.de/10012464486
CPS makes no effort to follow movers, these panels exhibit significant attrition, which may lead to bias in longitudinal … construct 'data-based' rather than 'model-based' corrections for bias from selective attrition. The approach is applied to a … statistically insignificant evidence of attrition bias. In contrast, the longitudinal analysis of the marriage premium for males …
Persistent link: https://www.econbiz.de/10012470052
relatives. We show that the cross sectional variance of asset returns affects the magnitude of bias in the average return … estimate for that period, while reducing the bias for the surrounding periods. It is not easy to use an approximation method to … correct the bias problem. We suggest a maximum-likelihood alternative to the RSR that directly estimates index returns that …
Persistent link: https://www.econbiz.de/10012470527
The aim of this note is to interpret estimation of the conventional treatment-effect selection-bias model in …
Persistent link: https://www.econbiz.de/10012473295