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Schätzung ökonometrischer Modelle auf der Grundlage anonymisierter Daten

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Author Info
Winfried Pohlmeier () (Department of Economics, University of Konstanz)
Sandra Lechner () (Department of Economics, University of Konstanz)

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Abstract

Die Anonymisierung von sensiblen Individualdaten führt zu einem Konflikt zwischen dem Ziel der Minimierung des Reidentifikationsrisikos und der Qualität ökonometrischer Schätzungen. Der durch Anonymisierung bedingte Verlust an Effizienz und/oder der Konsistenz eines Schätzers wirft die grundsätzliche Frage auf, inwieweit anonymisierte Individualdaten überhaupt für die wissenschaftliche Nutzung geeignet sind. Deshalb gehen wir in dieser Arbeit der Frage nach, welchen Einfluss Anonymisierungsverfahren auf die Eigenschaften von ökonometrischen Schätzern haben. Zunächst untersuchen wir die Auswirkungen gängiger Anonymisierungsverfahren auf lineare ökonometrische Schätzer in endlichen Stichproben. Im zweiten Schritt untersuchen wir, inwieweit sich die Selektions-effekte durch Anonymisierung aufgrund von Data Blanking mit Hilfe von semiparametrischen Verfahren korrigieren lassen. Die quantitative Evidenz beruht auf Monte-Carlo Simulationen und einer illustrativen Anwendung für einen Querschnitt der Kostenstrukturerhebung.

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Publisher Info
Paper provided by Center of Finance and Econometrics, University of Konstanz in its series CoFE Discussion Paper with number 03-04.

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Length: 28 pages
Date of creation: Apr 2003
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Handle: RePEc:knz:cofedp:0304

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Postal: Fach D 147, D-78457 Konstanz
Phone: +49-7531-88-2204
Fax: +49-7531-88-4450
Web page: http://cofe.uni-konstanz.de
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Related research
Keywords: Mikroaggregation; stochastische Überlagerung; Data Blanking; IV-Schätzung; semiparametrisches Selektionsmodell;

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Find related papers by JEL classification:
C81 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Microeconomic Data
C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
C24 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Truncated and Censored Models
C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

  1. Gauthier Lanot & Ian Walker, 1996. "The Union/Non-Union Wage Differential: An Application of Semi-Parametric Methods," Keele Department of Economics Discussion Papers (1995-2001) 96/9, Department of Economics, Keele University.
    Other versions:
  2. Hong, Han & Tamer, Elie, 2003. "A simple estimator for nonlinear error in variable models," Journal of Econometrics, Elsevier, vol. 117(1), pages 1-19, November. [Downloadable!] (restricted)
  3. Andrews, Donald W K & Schafgans, Marcia M A, 1998. "Semiparametric Estimation of the Intercept of a Sample Selection Model," Review of Economic Studies, Blackwell Publishing, vol. 65(3), pages 497-517, July. [Downloadable!] (restricted)
  4. Gabler, Siegfried & Laisney, Francois & Lechner, Michael, 1993. "Seminonparametric Estimation of Binary-Choice Models with an Application to Labor-Force Participation," Journal of Business & Economic Statistics, American Statistical Association, vol. 11(1), pages 61-80, January.
  5. Whitney Newey, 1999. "Two Step Series Estimation of Sample Selection Models," Working papers 99-04, Massachusetts Institute of Technology (MIT), Department of Economics.
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Elena Biewen, 2008. "Within-Schätzung bei anonymisierten Paneldaten," AStA Wirtschafts- und Sozialstatistisches Archiv, Springer, vol. 2(3), pages 277-297, October. [Downloadable!] (restricted)
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