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Refereed Journals

  • Practical Procedures to Deal with Common Support Problems in Matching Estimation, forthcoming in Econometric Reviews (jointly with A. Strittmatter).
  • Payment Evasion, forthcoming in the Journal of Industrial Economics (jointly with S. Bühler, D. Halbheer).
  • Direct and indirect effects of training vouchers for the unemployed, forthcoming in the Journal of the Royal Statistical Society - Series A (jointly with M. Huber, A. Strittmatter).
  • Sports participation and social capital formation during adolescence, forthcoming in Social Science Quarterly (jointly with T. Pawlowski, U. Schüttoff, P. Downward).
  • Can Sport Really Help to Meet the Millennium Development Goals? Evidence from Children in Peru, forthcoming in Journal of Sports Economics, 1-24, doi: 10.1177/1527002516661601 (jointly with T. Pawlowski, U. Schüttoff, P. Downward), Publication.
  • Heterogeneous sports participation and labour market outcomes in England, Applied Economics, doi: 10.1080/00036846.2016.1197369 (jointly with P. Downward), Publication.
  • Sports and Child Development, PLoS ONE, 11 (5): e0151729, doi: 10.1371/journal/pone.0151729 (jointly with C. Felfe, A. Steinmayr), Publication.
  • Why Do Tougher Caseworkers Increase Employment? The Role of Programme Assignement as a Causal Mechanism, Review of Economics and Statistics, 99 (1), 180-183, 2017 (jointly with M. Huber, G. Mellace), Publication.
  • Difference-in-difference estimation by FE and OLS when there is panel-non-response, Journal of Applied Statistics, 43 (11), 2044-2052, 2016, doi: 10.1080/02664763.2015.1126240 (jointly with N. Rodriguez-Planas, D. Fernandez-Kranz), Publication.
  • Mozart or Pelé? The effects of adolescents' participation in music and sports, Labour Economics, 41, 90-103, 2016, doi: 10.1016/j.labeco.2016.05.012 (jointly with C. Cabane, A. Hille), Publication.
  • The effects of firms phased retirement policies on the labour market outcomes of their employees, Industrial and Labor Relations Review, 69 (5), 1216-1248, 2016 (jointly with M. Huber, C. Wunsch), Preprint, Publication.
  • Physical activity of adults: A survey of correlates, determinants, and effects, Journal of Economics and Statistics, 235 (4 & 5), 2016 (Jahrbücher für Nationalökonomie und Statistics; jointly with C. Cabane), Publication.
  • The finite sample performance of estimators for mediation analysis under sequential independence, Journal of Business and Economic Statistics, 34 (1), 139-160, 2016 (jointly with M. Huber, G. Mellace), Publication.
  • Financial Work Incentives for Disability Benefit Recipients: Lessons from a Randomized Field Experiment, IZA Journal of Labor Policy , 4:18, 2015 (jointly with M. Bütler, E. Deuchert, S. Staubli, P. Thiemann), Publication.
  • Workplace health promotion and labour market performance of employees, Journal of Health Economics, 43, 170189, 2015, doi: 10.1016/j.jhealeco.2015.07.002 (jointly with M. Huber, C. Wunsch), Publication, Preprint, Internet Appendix.
  • Labour market effects of sports and exercise: Evidence from Canadian panel data, Labour Economics: An International Journal, 35, 1-19, 2015, doi: 10.1016/j.labeco.2015.04.001 (jointly with N. Sari), Publication, Accepted Author ManuscriptAppendix.
  • Combining Matching and Nonparametric IV estimation: Theory and an Application to the Evaluation of Active Labour Market Policies, Journal of Applied Econometrics, 718-738, 2015, doi: 10.1002/jae.2417 (jointly with M. Frölich), Publication, Preprint, Appendix.
  • Radius matching on the propensity score with bias adjustment: tuning parameters and finite sample behaviour, Empirical Economics, 49, 1-31, 2015, doi: 10.1007/s00181-014-0847-1 (jointly with M. Huber, A. Steinmayr), Publication, Preprint.
  • Do Long-term Unemployed Workers Benefit from Targeted Wage Subsidies?, German Economic Review, 16, 43-64, 2015, doi: 10.1111/geer.12040 (jointly with B. Schünemann, C. Wunsch), Publication, Preprint, Internet Appendix.
  • Sensitivity of matching-based program evaluations to the availability of control variables, Labour Economics: An International Journal, 21, 111-121, 2013 (jointly with C. Wunsch), Publication, Preprint, Appendix.
  • The performance of estimators based on the propensity score, Journal of Econometrics, 175 (1), 1-21, 2013 (jointly with M. Huber, C. Wunsch), Publication, Preprint, Appendix, Errata.
  • Does the order and timing of active labor market programs matter? Oxford Bulletin of Economics and Statistics, 72 (2), 180-212, 2013 (jointly with S. Wiehler), Publication, Preprint, Appendix.
  • The closer the sportier? Children's sport activity and their distance to sport facilities, European Review of Aging and Physical Activity, 8, 67–82, 2011, (jointly with A. Steinmayr, C. Felfe), Publication (JournalPreprint).
  • The Estimation of Causal Effects by Difference-in-Difference Methods, Foundations and Trends in Econometrics, 4/3, 165–224, 2011,  Publication (Journal, pdf).
  • A Note on the Relation of Inverse-Probability-Weighting and Matching Estimators, Communications in Statistics - Theory and Methods, 40:4, 674-683, 2011, Publication (Journal, Preprint).
  • The Effect of Disability on Labour Market Outcomes in Germany, Applied Economics, 43, 389-412, 2011 (jointly with R. Vazquez-Alvarez), Publication (Journal).
  • Does Leaving Welfare Improve Health? Evidence For Germany, Health Economics, 20, 484-504, 2011, (jointly with M. Huber, C. Wunsch), Publication (Journal). Appendix.
  • Exploiting Regional Treatment Intensity for the Evaluation of Labour Market Policies, Journal of the American Statistical Association, 105/491, 1014-1129, 2010 (jointly with M. Frölich), Publication (JournalPreprint).
  • Do German Welfare-To-Work Programmes Reduce Welfare and Increase Work?, German Economic Review, 12, 182-204, 2011 (jointly with M. Huber, C. Wunsch, T. Walter), Publication (Journal, Preprint).
  • The Relation of Different Concepts of Causality used in Time Series and Microeconometrics, Econometric Reviews, 30, 109-127, 2011, Publication (Journal, Preprint).
  • Kids or Courses? Gender Differences in the Effects of Active Labor Market Policies, Journal of Population Economics, 24, 783–812, 2011 (jointly with S. Wiehler), Publication (Journal, Preprint).
  • Long-Run Effects of Public Sector Sponsored Training in West Germany, Journal of the European Economic Association, 9, 742-784, 2011 (jointly with R. Miquel, C. Wunsch), Publication (Journal, Preprint),  Appendix.
  • Discussion of “Generalized Estimating Equations: Notes on the Choice of the Working Correlation Matrix”, Methods of Information in Medicine, 5, 426-432 (mit J. Breitung, N. R. Chaganty, R. M. Daniel, M. G. Kenward, P. Martus, R. T. Sabo, Y.-G. Wang, C. Zorn). Publication (Journal, Paper).
  • A caseworker like me - does the similarity between unemployed and caseworker increase job placements?, The Economic Journal, 1430-1459, 2010, (jointly with S. Behncke, M. Frölich). Publications (Journal, Preprint).
  • Identification of the Effects of Dynamic Treatments by Sequential Conditional Independence Assumptions, Empirical Economics, 39, 111-137, 2010, (jointly with R. Miquel), Publications (JournalPreprint). 
  • Unemployed and their Case Workers: Should they be friends or foes?, The Journal of the Royal Statistical Society - Series A, 173, 67-92, 2010 (jointly with S. Behncke, M. Frölich), Publication (Journal, Preprint).
  • Targeting Labour Market Programmes - Results from a Randomized Experiment, Swiss Journal of Economics and Statistics, 145, 221-268, 2009 (jointly with S. Behncke, M. Frölich), Publication (Journal).
  • Are Training Programmes More Effective When Unemployment is High?, Journal of Labor Economics, 27, 653-692, 2009 (jointly with C. Wunsch), Publication (JournalPreprint).
  • Active Labour Market Policy In East Germany: Waiting For The Economy To Take Off, The Economics of Transition, 17, 661-702, 2009 (jointly with C. Wunsch), Publication (JournalPreprint). 
  • Long-run labour market and health effects of individual sports activities, The Journal of Health Economics, 28, 839-854, 2009, Publication (JournalPreprint).
  • Sequential Causal Models for the Evaluation of Labor Market Programs, Journal of Business & Economic Statistics, 27, 71-83, 2009, Publication (JournalPreprint).
  • What did all the money do? On the general ineffectiveness of recent West German labour market programmes, Kyklos: International Review for Social Sciences, 134-174, 2008 (jointly with C. Wunsch), Publication (JournalPreprint), Appendix).
  • Public employment services and employers: How important are networks with firms?, Zeitschrift für Betriebswirtschaft (Journal of Business), 1/2008, 151-178, 2008 (jointly with S. Behncke, M. Frölich), Publication (JournalPreprint).
  • A Note on the Common Support Problem in Applied Evaluation Studies, Annales d'Économie et de Statistique, 91-92, 217-234, 2008, Publication (JSTOR, Preprint)
  • Invited Comment on «The Principles Underlying Evaluation Estimators with an Application to Matching» by James J. Heckman, Annales d'Économie et de Statistique, 91-92, 81-89, 2008, Publication (JSTOR, Preprint).
  • A Note on Endogenous Control Variables in Causal Studies, Statistics and Probability Letters, 78, 190-195, 2008, Publication (Journal, Preprint).
  • The Curse and Blessing of Training the Unemployed in a Changing Economy: The case of East Germany after Unification, German Economic Review, 8, 468–507, 2007 (jointly with R. Miquel, C. Wunsch), Publication (JournalPreprint).
  • What is the value added by case workers?, Labour Economics - An International Journal, 14, 135-151, 2007 (jointly with J. Smith), Publication (Journal, Preprint).
  • Are the effects of training programmes in Germany sensitive to the choice and measurement of labour market outcomes? Journal of Labour Market Research (ZAF), 39, 347-364, 2006 (jointly with C. Wunsch), Publication (Preprint).
  • Aktive Arbeitsmarktpolitik in Deutschland und der Schweiz – Eine Gegenüberstellung, Vierteljahrshefte zur Wirtschaftsforschung, 75, 118-154, 2006, (jointly with S. Behncke, M. Frölich), Publication (JournalPreprint).
  • Reply to Tomás Sobotka, European Journal of Population / Revue européenne de Démographie, 2005, Publication (JournalPreprint).
  • Does subsidised temporary employment get the unemployed back to work? An econometric analysis of two different schemes, Labour Economics - An International Journal, 12, 807-835, 2005 (jointly with M. Gerfin, H. Steiger), Publication (JournalPreprint).
  • A Microeconometric Evaluation of Rehabilitation of Long-term Sickness in Sweden, Journal of Applied Econometrics, 19, 375-396, 2004 (jointly with M. Frölich, A. Heshmati), Publication (JournalPreprint).
  • European Data Watch - Swiss Unemployment Insurnce Micro Data, Schmollers Jahrbuch, 124 (1), 175 - 181,  2004 (jointly with H. Steiger, J. Gast),  Publication (link to general page of Journal; article not available).
  • Statistically Assisted Programme Selection – International Experiences and Potential Benefits for Switzerland, Schweizerische Zeitschrift für Volkswirtschaft und Statistik, 139 (3), 311-332, 2003 (jointly with M. Frölich, H. Steiger), Publication (REPECPreprint).
  • Almost Consistent Estimation of Panel Probit Models with «Small Fixed Effects», Econometric Reviews, 22, 1-28, 2003 (jointly with F. Laisney), Publication (JournalPreprint).
  • Microeconometric Evaluation of the Active Labour Market Policy in Switzerland, The Economic Journal, 112, 854-893, 2002 (jointly with M.Gerfin), Publication (JournalPreprint). 
  • Programme Heterogeneity and Propensity Score Matching: An Application to the Evaluation of Active Labour Market Policies, The Review of Economics and Statistics, 84, 205-220, 2002, Publication (JournalPreprint).
  • An Evaluation of Public Employment Programmes in the East German State of Sachsen-Anhalt, Labour Economics: An International Journal, 9, 143-186, 2002 (jointly with M.Eichler), Publication (JournalPreprint). 
  • Eine Übersicht über gängige Modelle der Panelökonometrie und ihre kausale Interpretation, Allgemeines Statistisches Archiv, 86, 125-143, 2002, Publication (Preprint).
  • Eine wirkungsorientierte aktive Arbeitsmarktpolitik in Deutschland und der Schweiz, Perspektiven der Wirtschaftspolitik, 3, 159-174, 2002, Publication (JournalPreprint). 
  • Some practical issues in the evaluation of heterogeneous labour market programmes by matching methods, Journal of the Royal Statistical Society, Series A, Statistics in Society, 165, 59-82, 2002, Publication (JournalPreprint).
  • The Empirical Analysis of East German Fertility after Unification: An Update, European Journal of Population, 17, 61-74, 2001, Publication (Journal).  
  • An Evaluation of Public Sector Sponsored Continuous Vocational Training Programs in East Germany, The Journal of Human Resources, 35, 347-375, 2000, Publications (JSTORPreprint), Appendix.  
  • Mikroökonometrische Evaluierung berufsbezogener Rehabilitation in Schweden, Schweizerische Zeitschrift für Volkswirtschaft und Statistik, 136, 433-461, 2000 (jointly with M.Frölich, A.Heshmati), Publication (JournalPreprint),  Appendix
  • Wirkung der aktiven Arbeitsmarktpolitik der Schweiz auf die individuellen Beschäftigungschancen von Arbeitslosen, Beiträge zur Arbeitsmarkt- und Berufsforschung (BeitrAB), 33, IAB, Nürnberg, 396-404, 2000 (jointly with M.Gerfin), Publication (Preprint). 
  • Earnings and Employment Effects of Continuous Off-the-Job Training in East Germany after Unification, Journal of Business & Economic Statistics, 17, 74-90, 1999, Publication (JSTOR, Preprint).
  • Nonparametric Bounds on Employment and Income Effects of Continuous Vocational Training in East Germany, The Econometrics Journal, 2, 1-28, 1999. Publication (Journal, Preprint), Appendix
  • The Effects of Enterprise-related Training in East Germany on Individual Employment and Earnings, Annales d'Economie et de Statistique (Special Issue on Panel Data), 55-56, 97-128, 1999, Publication (JSTORPreprint). 
  • Work and Welfare of Single Mothers in Germany, Économie Publique, 3-4, 111-144, 1999 (jointly with F.Laisney, M.Staat, G.Wagenhals), Publication (Abstract).
  • Convenient Estimators for the Panel Probit Model, Journal of Econometrics, 87, 329-371, 1998 (jointly with I.Bertschek), Publication (Journal).
  • Eine empirische Analyse der Geburtenentwicklung in den neuen Bundesländern aus der Sicht der neo-klassischen Bevölkerungsökonomie, Zeitschrift für Wirtschaft- und Sozialwissenschaften (ZWS), 118, 463-488, 1998, Publication (Preprint). 
  • Die gemeinnützige Arbeitnehmerüberlassung in Rheinland-Pfalz – eine ökonometrische Analyse des Wiedereingliederungserfolgs, Mitteilungen zur Arbeitsmarkt- und Berufsforschung, 31, 558-577, 1998 (jointly with M.Almus, J.Egeln, F.Pfeiffer, H.Spengler), Publication (Preprint). 
  • Estimation de modèles non linéaires sur données de panel par la méthode des moments généralisés, Économie et Prévision, 126, 191-203, 1996 (jointly with J.Breitung).
  • Utilisation jointe de données de panel et d´informations agrégées dans l´estimation d´un modèle Probit, Économie et Prévision, 126, 177-189, 1996 (jointly with F.Laisney).
  • Combining Panel Data and Macro Information for the Estimation of a Panel Probit Model, Zeitschrift für Wirtschafts- und Sozialwissenschaften (ZWS), 116, 339-358, 1996 (jointly with F.Laisney)
  • East German Fertility After Unification: Crisis or Adaptation, Population and Development Review, 22, 331-358, 1996 (jointly with C.Conrad, W.Werner), Publication (JSTOR).
  • Some Specification Tests for Probit Models Estimated on Panel Data, Journal of Business & Economic Statistics, 13, 475-488, 1995. Republished in B. Baltagi (ed.): Recent Developments in the Econometrics of Panel Data, Vol. 2, Ch. 5, 2003, Publication (JSTOR).Tax Illusion and Labour Supply of Married Women: Further Evidence From German Data, Kyklos, 48, 347-368, 1995 (jointly with H.König, F.Laisney, W.Pohlmeier). Publication (Journal).
  • Some Recent Developments in Microeconometrics: A Survey, Swiss Journal of Economics and Statistics, 130, 299-331, 1994 (jointly with H.König), Publication (REPEC).
  • Seminonparametric Estimation of Binary-Choice Models With an Application to Labor-Force Participation, Journal of Business & Economic Statistics, 11, 61-80, 1993 (jointly with S.Gabler, F.Laisney), Publication (JSTOR).
  • Alternative Interpretations of Hours Information in an Econometric Model of Labour Supply, Empirical Economics, 18, 393-415, 1993 (jointly with R.W.Blundell, F.Laisney), Publication (Journal).
  • Expected Job Loss in East Germany Shortly Before German Unification, Empirical Economics, 18, 289-306, 1993 (jointly with F.Pfeiffer, L.Gieseke-O'Shea), Publication (Journal).
  • Planning for Self-Employment at the Beginning of a Market Economy. Evidence from Individual Data of East German Workers, Small Business Economics, 5, 111-128, 1993 (jointly with F.Pfeiffer), Publication (Journal).
  • A Life Cycle Labour Supply Model with Taxes Estimated on German Panel Data: The Case of Parallel Preferences, The Economic and Social Review, 24, 335-368, 1993 (jointly with F.Laisney, A. van Soest, G.Wagenhals).
  • Innovation Activity and Firm Heterogeneity: Empirical Evidence from West Germany, Structural Change and Economic Dynamics, 3, 301-320, 1992 (jointly with F.Laisney, W.Pohlmeier), Publication (Journal). 
  • Semi-Nonparametric Estimation of Binary Choice Models Using Panel Data: An Application to the Innovation Behaviour of German Firms, Recherches Économiques de Louvain, 58, 330-343, 1992 (jointly with F.Laisney, W. Pohlmeier).
  • Testing Logit Models in Practice, Empirical Economics, 16, 177-198, 1991, Publication (Journal).   
  • Lessons from Specification Tests for a Labour Supply Model, Annales d'Économie et de Statistique, 20/21, 193-217, 1991 (jointly with F.Laisney, S.Strøm), Publication (JSTOR).