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Weighted and two-stage least squares estimation of semiparametric truncated regression models

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Date
2007-04-01
Authors
Khan, S
Lewbel, A
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Abstract
This paper provides a root-n consistent, asymptotically normal weighted least squares estimator of the coefficients in a truncated regression model. The distribution of the errors is unknown and permits general forms of unknown heteroskedasticity. Also provided is an instrumental variables based two-stage least squares estimator for this model, which can be used when some regressors are endogenous, mismeasured, or otherwise correlated with the errors. A simulation study indicates that the new estimators perform well in finite samples. Our limiting distribution theory includes a new asymptotic trimming result addressing the boundary bias in first-stage density estimation without knowledge of the support boundary. © 2007 Cambridge University Press.
Type
Journal article
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https://hdl.handle.net/10161/2573
Published Version (Please cite this version)
10.1017/S0266466607070132
Publication Info
Khan, S; & Lewbel, A (2007). Weighted and two-stage least squares estimation of semiparametric truncated regression models. Econometric Theory, 23(2). pp. 309-347. 10.1017/S0266466607070132. Retrieved from https://hdl.handle.net/10161/2573.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Shakeeb Khan

Professor of Economics
Professor Khan is on leave at Boston College for the 2016-17 academic year.Professor Khan specializes in the fields of mathematical economics, statistics, and applied econometrics. His studies have explored a variety of subjects from covariate dependent censoring and non-stationary panel data, to causal effects of education on wage inequality and the variables affecting infant mortality rates in Brazil. He was awarded funding by National Science Foundation grants for his projects ent
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