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Instrumental Variable Estimation of Nonparametric Models

Newey, Whitney K., Powell, James L.·2003·Econometrica

Abstract

In econometrics there are many occasions where knowledge of the structural relationship among dependent variables is required to answer questions of interest. This paper gives identification and estimation results for nonparametric conditional moment restrictions. We characterize identification of structural functions as completeness of certain conditional distributions, and give sufficient identification conditions for exponential families and discrete variables. We also give a consistent, nonparametric estimator of the structural function. The estimator is nonparametric two-stage least squares based on series approximation, which overcomes an ill-posed inverse problem by placing bounds on integrals of higher-order derivatives.

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Research works printed but not linked: 19

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Metadata

Authors
Newey, W. K., & Powell, J. L.
Venue
Econometrica
Published
2003-09
Volume
71
Issue
5
Pages
1565-1578
ISSN
  • 0012-9682 (ISSN-L)
  • 1468-0262
OpenAlex
W2045697015
Cited by
881
References
0
FWCI
11.74
Type
journal article
Language
en
Open access
closed
Licence
doi.wiley.com/10.1002/tdm_license_1.1 (tdm, 4383 d)

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CoChat. (2026). Citation check: Instrumental Variable Estimation of Nonparametric Models. https://app.cochat.ai/papers/10.1111/1468-0262.00459
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Newey, W. K., & Powell, J. L. (2003). Instrumental Variable Estimation of Nonparametric Models. Econometrica. https://doi.org/10.1111/1468-0262.00459

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