Banerjee, A. N. (2007) 'A method of estimating the average derivative.', Journal of econometrics., 136 (1). pp. 65-88.
We derive a simple semi-parametric estimator of the “direct” Average Derivative, δ=E(D[m(x)]), where m(x) is the regression function and S, the support of the density of x is compact. We partition S into disjoint bins and the local slope D[m(x)] within these bins is estimated by using ordinary least squares. Our average derivative estimate , is then obtained by taking the weighted average of these least squares slopes. We show that this estimator is asymptotically normally distributed. We also propose a consistent estimator of the variance of . Using Monte-Carlo simulation experiments based on a censored regression model (with Tobit Model as a special case) we produce small sample results comparing our estimator with the Härdle–Stoker [1989. Investigating smooth multiple regression by the method of average derivatives. Journal of American Statistical Association 84, 408, 986–995] method. We conclude that performs better that the Härdle–Stoker estimator for bounded and discontinuous covariates.
|Keywords:||Semi-parametric estimation, Average derivative estimator, Linear regression.|
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|Publisher Web site:||http://dx.doi.org/10.1016/j.jeconom.2005.07.010|
|Record Created:||16 Mar 2007|
|Last Modified:||08 Apr 2009 16:28|
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