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Root-N-Consistent Semiparametric Regression

Robinson, P. M.·1988·Econometrica

Abstract

One type of semiparametric regression is b8X A u(Z), where b and u(Z) are an unknown slope coefficient vector and function. Estimates of b based on incorrect parametrization of u are generally inconsist ent, whereas consistent nonparametric estimates converge slowly. An e stimate, bC, is constructed by inserting nonpar-ametric regression es timates in the nonlinear orthogonal projection on Z. Under regularity conditions bC is shown to be N1/2-consistent for b and asymptoticall y normal, and a consistent estimate of its limiting covariance matrix is given. The author discusses the identification problem and bC's e fficiency. Extensions to other econometric models are described. Copyright 1988 by The Econometric Society.

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Metadata

Authors
Robinson, P. M.
Venue
Econometrica
Publisher
JSTOR
Published
1988-07
Volume
56
Issue
4
Pages
931
ISSN
0012-9682 (ISSN-L)
OpenAlex
W2078658856
Cited by
2,475
References
1
FWCI
7.89
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Root-N-Consistent Semiparametric Regression. https://app.cochat.ai/papers/10.2307/1912705
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Robinson, P. M. (1988). Root-N-Consistent Semiparametric Regression. Econometrica. https://doi.org/10.2307/1912705

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