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Dr. Ralf Wilke [ D ]
Dr. Ralf Wilke

Tel:  +49 (0)621 1235-131
Fax: +49 (0)621 1235-225


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Dr. Ralf Wilke

Dr. Ralf Wilke graduated at Bonn University (Diplom-Volkswirt). After receiving his Diplôme d'Etudes Approfondis (DEA) in Economic Theory and Econometrics from the University of Touluse I, he became PhD scholar of the Deutsche Forschungsgemeinschaft at Dortmund University (Dr. rer. pol.). After obtaining his PhD, he worked at ZEW as Researcher from 2002 until 2006 before moving to the University of Leicester and the University of Nottingham, where he was a Lecturer and later an Associate Professor. Since 2011 he holds a Readership in Microeconometrics at the University of York, UK.

Dr. Ralf Wilke is Research Fellow at ZEW. He works in close cooperation with the research unit "Labour Markets, Human Resources and Social Policy".

Please find here further information on Dr. Ralf Wilke.

Selected Publications

Publications in refereed Journals

Dlugosz, Stephan, Gesine Stephan and Ralf Wilke (2014), Fixing the leak: Unemployment incidence before and after a major reform of unemployment benefits in Germany, German Economic Review 15(3), 329–352.

Arntz, Melanie and Ralf Wilke (2012), Weather-related Employment Subsidies as a Remedy for Seasonal Unemployment? Evidence from Germany, LABOUR 26, 266-286.

Arntz, Melanie and Ralf Wilke (2007), An application of cartographic area interpolation to German administrative data, Allgemeines Statistisches Archiv 91, 159-180.

Wilke, Ralf (2004), Eine empirische Analyse von Sanktionen für Arbeitslose in Westdeutschland während der 1980er und 1990er Jahre, Zeitschrift für Arbeitsmarktforschung Jg. 37, H. 1., S. 45-52. Download

Wilke, Ralf (2003), The Effect of Aggregation on the Magnitude of Behavioral Heterogeneity, Economics Bulletin 25, No.4, 1-8. Download

Monographs, Articles in Anthologies

Wilke, Ralf and Henrik Winterhager (2004), Datenquellen als Voraussetzung für die Evaluationsforschung, in: Tobias Hagen, Alexander Spermann, Hartz Gesetze- Methodische Ansätze zu einer Evaluierung, ZEW Wirtschaftsanalysen, Bd. 74, Baden-Baden (unter Mitarbeit von: Melanie Arntz, Andreas Ammermüller, Miriam Beblo, Martin Biewen, Bernhard Boockmann, Marco Caliendo, Bernd Fitzenberger, Nicole Gürtzgen, Reinhard Hujer, Peter Jacobebbinghaus, Friedhelm Pfeiffer, Andrea Weber, Ralf Wilke, Henrik Winterhager, Elke Wolf, Gaby Wunderlich), S. 33-43.

Wilke, Ralf (2002), Essays on economic and econometric modelling of behavioral heterogeneity in demand theory, Dissertation, Dortmund.

Discussion Papers and Working Papers

Dlugosz, Stephan, Gesine Stephan and Ralf Wilke (2009), Fixing the Leak: Unemployment Incidence Before and After the 2006 Reform of Unemployment Benefits in Germany, ZEW Discussion Paper No. 09-079, Mannheim. Download

Arntz, Melanie and Ralf Wilke (2008), How Weather-Proof is the Construction Sector? Empirical Evidence from Germany, ZEW Discussion Paper No. 08-105, Mannheim. Download

Arntz, Melanie, Simon M. S. Lo and Ralf Wilke (2007), Bounds Analysis of Competing Risks: A Nonparametric Evaluation of the Effect of Unemployment Benefits on Migration in Germany, ZEW Discussion Paper No. 07-049, Mannheim. Download

Kruppe, Thomas, Eva Müller, Laura Wichert and Ralf Wilke (2007), On the Definition of Unemployment and its Implementation in Register Data – The Case of Germany, ZEW Discussion Paper No. 07-041, Mannheim. Download

Fitzenberger, PhD, Bernd and Ralf Wilke (2007), New Insights on Unemployment Duration and Post Unemployment Earnings in Germany: Censored Box-Cox Quantile Regression at Work, ZEW Discussion Paper No. 07-007, Mannheim. Download

Arntz, Melanie and Ralf Wilke (2006), Unemployment Duration in Germany: Individual and Regional Determinants of Local Job Finding, Migration and Subsidized Employment , ZEW Discussion Paper No. 06-092, Mannheim. Download

Arntz, Melanie, Ralf Wilke and Henrik Winterhager (2006), Regionenmatching im Rahmen der Evaluation der Experimentierklausel des § 6c SGB II: Methodische Vorgehensweise und Ergebnisse, ZEW Discussion Paper No. 06-061, Mannheim. Download

Müller, Eva, Ralf Wilke and Philipp Zahn (2006), Beschäftigung und Arbeitslosigkeit älterer Arbeitnehmer: Eine mikroökonometrische Evaluation der Arbeitslosengeldreform von 1997, ZEW Discussion Paper No. 06-021, Mannheim. Download

Wichert, Laura and Ralf Wilke (2005), Application of a Simple Nonparametric Conditional Quantile Function Estimator in Unemployment Duration Analysis, ZEW Discussion Paper No. 05-67, Mannheim. Download

Fitzenberger, PhD, Bernd and Ralf Wilke (2005), Using Quantile Regression for Duration Analysis, ZEW Discussion Paper No. 05-65, Mannheim., erschienen in: Allgemeines Statistisches Archiv 90(1), 103-118 Download

Lee, Sokbae and Ralf Wilke (2005), Reform of Unemployment Compensation in Germany: A Nonparametric Bounds Analysis Using Register Data, ZEW Discussion Paper No. 05-29, Mannheim. Download

Arntz, Melanie and Ralf Wilke (2005), Map Intersection Based Merging Schemes for Administrative Data Sources and an Application to Germany, ZEW Discussion Paper No. 05-20, Mannheim. Download

Wilke, Ralf and Martin Biewen (2005), Unemployment Duration and the Length of Entitlement Periods for Unemployment Benefits: Do the IAB Employment Subsample and the German Socio-Economic Panel Yield the Same Results?, ZEW Discussion Paper No. 05-05, Mannheim., erschienen in: Allgemeines Statistisches Archiv, 89(2), S.209-236 Download

Kyyrä, Tomi and Ralf Wilke (2004), Reduction in the Long-Term Unemployment of the Elderly: A Success Story from Finland, ZEW Discussion Paper No. 04-63, Mannheim., erschienen in: Journal of the European Economic Association (forthcoming) Download

Fitzenberger, PhD, Bernd, Ralf Wilke and Xuan Zhang (2004), A Note on Implementing Box-Cox Quantile Regression, ZEW Discussion Paper No. 04-61, Mannheim. Download

Lüdemann, Elke, Ralf Wilke and Xuan Zhang (2004), Censored Quantile Regressions and the Length of Unemployment Periods in West Germany, ZEW Discussion Paper No. 04-57, Mannheim., erschienen in: Empirical Economics (forthcoming) Download

Wilke, Ralf (2004), Semiparametric Estimation of Consumption Based Equivalence Scales – The Case of Germany, ZEW Discussion Paper No. 04-53, Mannheim., erschienen in: Journal of Applied Econometrics (forthcoming) Download

Wilke, Ralf (2004), New Estimates of the Duration and Risk of Unemployment for West-Germany, ZEW Discussion Paper No. 04-26, Mannheim., erschienen in: Journal of Applied Social Science Studies (Schmollers Jahrbuch), Nr. 128(2), S.207-237 Download

Fitzenberger, PhD, Bernd and Ralf Wilke (2004), Unemployment Durations in West-Germany Before and After the Reform of the Unemployment Compensation System During the 1980s , ZEW Discussion Paper No. 04-24, Mannheim. Download

Wilke, Ralf (2003), Eine empirische Analyse von Sanktionen für Arbeitslose in Westdeutschland während der 1980er und 1990er Jahre, ZEW Discussion Paper No. 03-71, Mannheim., erschienen in: Zeitschrift für Arbeitsmarktforschung Jg. 37, H. 1, S. 45-52 Download

Wilke, Ralf (2003), Semiparametric Estimation of Regression Functions Under Shape Invariance Restrictions, ZEW Discussion Paper No. 03-64, Mannheim. Download

Wilke, Ralf (2001), Behavioral Heterogeneity and the Law of Demand, University of Dortmund Discussion Paper in Economics No. 2001-08, Dortmund.

Wilke, Ralf (2001), A Selective Survey of Demand Theory, University of Dortmund Discussion Paper in Economics No. 2001-07, Dortmund.

Wilke, Ralf (2000), Multivariate Semiparametric Quasi-Likelihood Estimation, University of Dortmund Discussion Paper in Economics No. 00-08, Dortmund.

Wilke, Ralf (2000), Semiparametric Estimation of Consumer Demand, University of Dortmund Discussion Paper in Economics No. 00-07, Dortmund.

Projects

Current Projects

Statistical Modeling of Labor Market Processes in Misclassified Administrative Labor Market Data

Finished Projects

Contribution to Quality Monitoring of Integrated Employment Biographies: Development of Alternative Unemployment Classification Proposals

Microeconometric Modelling of Unemployment Durations under Consideration of Macroeconomic Variations

Statistical Modelling of Errors in Administrative Labour Market Data


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