Econometrica

Journal Of The Econometric Society

An International Society for the Advancement of Economic
Theory in its Relation to Statistics and Mathematics

Edited by: Guido W. Imbens • Print ISSN: 0012-9682 • Online ISSN: 1468-0262

Econometrica: Jan, 1996, Volume 64, Issue 1

Semiparametric Estimation of a Regression Model with an Unknown Transformation of the Dependent Variable

https://doi.org/0012-9682(199601)64:1<103:SEOARM>2.0.CO;2-V
p. 103-137

Joel L. Horowitz

This paper presents a method for estimating the model $\Lambda(Y) = \beta'X + U$, where $Y$ is a scalar, $\Lambda$ is an unknown increasing function, $X$ is a vector of explanatory variables, $\beta$ is a vector of unknown parameters, and $U$ has unknown cumulative distribution function $F$. It is not assumed that $\Lambda$ and $F$ belong to known parametric families; they are estimated nonparametrically. This model generalizes a large number of widely used models that make stronger a priori assumptions about $\Lambda$ and/or $F$. The paper develops $n^{1/2}$-consistent, asymptotically normal estimators of $\Lambda, F$, and quantiles of the conditional distribution of $Y$. Estimators of $\beta$ that are $n^{1/2}$-consistent and asymptotically normal already exist. The results of Monte Carlo experiments indicate that the new estimators work reasonably well in samples of size 100.


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