Data Masking by Noise Addition and the Estimation of Nonlinear Regression Models

Nolte (Lechner), Sandra and Pohlmeier, Winfried (2005) Data Masking by Noise Addition and the Estimation of Nonlinear Regression Models. Jahrbuecher fuer Nationaloekonomie und Statistik, 225 (5). pp. 517-528. ISSN 0021-4027

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Data collecting institutions use a large range of masking procedures in order to protect data against disclosure. Generally, a masking procedure can be regarded as a kind of data filter that transforms the true data generating process. Such a transformation severely affects the quality of the data and limits its use for empirical research. A popular masking procedure is noise addition, which leads to inconsistent estimates if the additional measurement errors are ignored. This paper investigates to what extent appropriate econometric techniques can obtain consistent estimates of the true data generating process for parametric and nonparametric models when data is masked by noise addition. We show how the reduction of the data quality can be minimized using the local polynomial Simulation-Extrapolation (SIMEX) estimator. Evidence is provided by a Monte-Carlo study and by an application to firm-level data, where we analyze the impact of innovative activity on employment.

Item Type:
Journal Article
Journal or Publication Title:
Jahrbuecher fuer Nationaloekonomie und Statistik
Uncontrolled Keywords:
?? data maskingerrors-in-variablessimexlocal polynomial regressiongeneral business,management and accountingeconomics and econometricssocial sciences (miscellaneous)business, management and accounting(all) ??
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Deposited On:
06 Oct 2017 19:37
Last Modified:
16 Jul 2024 10:32