Ashenfelter O (1978) Estimating the effect of training programs on earnings. Rev Econ Stat 60:47–57
Ashenfelter O, Rouse C (1998) Income, schooling, and ability: Evidence from a new sample of identical twins. Q J Econ: 253–284
Barabas J (2004) How deliberation affects policy opinions. Am Polit Sci Rev 98:1–16
Bjorklund A, Moffitt R (1987) The estimation of wage gains and welfare gains in self-selection models. Rev Econ Stat 69:42–49
Black DA, Smith J (2004) How robust is the evidence on the effects of college quality? Evidence from matching. J Econometrics 121:99–124
Boston Consulting Group (2001) The multichannel consumer – The need to integrate online and offline channels in Europe. Boston
Bortz J (1999) Statistik für Sozialwissenschaftler. Springer, Berlin Heidelberg New York
Bundesanstalt für Arbeit (2003) 138 Milliarden Euro für aktive Arbeitsmarktpolitik im Osten. Pressemitteilung vom 8. April 2003. http://www.soliserv.de/presse-arbeitsamt_2quartal-03.htm, abgerufen am 1. November 2004
Christensen B, Clement M, Albers S, Guldner S (2004) Zur Relevanz der Kontrollgruppenauswahl in der empirischen Forschung: Eine Analyse am Beispiel der Erfolgswirkung der Academy Awards im Filmgeschäft. Working paper, Christian-Albrechts-Universität zu Kiel
Cox D, Wermuth N (2004) Causality: A statistical view. Int Stat Rev 72:285–305
D’Agostino R (1998) Tutorial in biostatics: Propensity score methods for bias reduction in the comparison of a treatment to a non-randomized control group. Stat Med 17:2265–2281
Degeratu A, Rangaswamy A, Wu J (2000) Consumer choice behavior in online and traditional supermarkets: The effects of brand name, price and other search attributes. Int J Res Marketing 17:55–78
Dehejia RH, Wahba S (2002) Propensity score-matching methods for nonexperimental causal studies. Rev Econ Stat 84:151–161
Edwards D (2000) Introduction to graphical modelling. Springer, Berlin Heidelberg New York
Erdem T, Keane M, Sun B (1999) Missing price and coupon availability data in scanner panels: Correcting for the self-selection bias in the choice model parameters. J Econometrics 89:177–196
Fitzenberger B, Speckesser S (2003) Weiterbildungsmassnahmen in Ostdeutschland: Ein Misserfolg der Arbeitsmarktpolitik? In: Schmähl W (Hrsg) Wechselwirkungen zwischen Arbeitsmarkt und sozialer Sicherung (Soziale Sicherung und Arbeitsmarkt, Bd. 294). Duncker und Humblot, Berlin, S. 51–81
Granger C (1969) Investigating causal relations by econometric models and cross-spectral methods. Econometrica 37:424–438
Heckman J (1976) The common structure of statistical models of truncation, sample selection, and limited dependent variables and a simple estimator for such models. Ann Econ Soc Meas 5:475–492
Heckman J (1978) Dummy endogenous variables in a simultaneous equations system. Econometrica 46:931–960
Heckman J (1979) Sample selection bias as a specification error. Econometrica 47:152–162
Heckman J, Ichimura H, Smith J, Todd P (1996) Sources of selection bias in evaluating social programs: An interpretation of conventional measures and evidence on the effectiveness of matching as a program evaluation method. Proc Natl Acad Sci 93:13416–13420
Heckman J, Ichimura H, Smith J, Todd P (1998) Characterizing selection bias using experimantal data. Econometrica 66:1017–1098
Heckman J, Ichimura H, Todd P (1998) Matching as an econometric evaluation estimator. Rev Econ Stud 65:261–294
Heckman J, LaLonde R, Smith J (1999) The economics and econometrics of active labor market programs. In: Ashenfelter O, Card D (Hrsg) Handbook of Labor Economics, vol. III. Amsterdam, S. 1865–2097
Heckman J, Navarro-Lozano S (2004) Using matching, instrumental variables, and control functions to estimate economic choice models. Rev Econ Stat 86:30–57
Hitt LM, Frei FX (2002) Do better customers utilize electronic distribution channels? The case of PC banking. Manag Sci 48:732–748
Hujer R, Caliendo M, Radic D (2001) Nobody knows ... how do different evaluation estimators perform in a simulated labour market experiment? Working paper, Universität Frankfurt
Hujer R, Caliendo M, Radic D (2003) Methods and limitations of evaluation and impact research. Report on VET Research in Europe, CEDEFOP Project 0730. Working paper, Universität Frankfurt
Hujer R, Maurer K-O, Wellner M (1997) The impact of training on unemployment duration in West Germany – Combining a discrete hazard rate model with matching techniques. Working paper, Universität Frankfurt
Imbens G (2004) Nonparametric estimation of average treatment effects under exogeneity: A review. Rev Econ Stat 86:4–29
LaLonde R (1986) Evaluating the econometric evaluations of training programs with experimental data. Am Econ Rev 76:604–620
Lauritzen S (1999) Causal inference from graphical models. Research report R-99-2021, Aalborg University. http://www.math.aau.dk/research/reports/R-99-2021.ps, abgerufen am 7. Februar 2005
Lechner M (1998) Mikroökonomische Evaluationsstudien: Anmerkungen zu Theorie und Praxis. In: Pfeiffer F, Pohlmeier W (Hrsg) Qualifikation, Weiterbildung und Arbeitsmarkterfolg. Baden-Baden, S. 13–38
Lechner M (2002) Program heterogeneity and propensity score matching: An application to the evaluation of active labor market policies. Rev Econ Stat 84:205–220
Lee L-F (2000) Self-selection. In: Baltagi B (Hrsg) A companion to theoretical econometrics. Oxford, S. 384–409
Rässler S (2002) Statistical matching. Springer, Berlin Heidelberg New York
Rosenbaum P, Rubin D (1983) The central role of the propensity score in observational studies for causal effects. Biometrika 70:41–55
Rosenbaum P, Rubin D (1985) Constructing a control group using multivariate matched sampling methods that incorporate the propensity score. Am Stat 39:33–38
Roy A (1951) Some thoughts on the distribution of earnings. Oxford Econ Pap 3:135–145
Rubin D (1974) Estimating causal effects to treatments in randomised and nonrandomised studies. J Educational Psychol 66:688–701
Rubin D (1990) Comment on “Neyman (1923) and causal inference in experiments and observational studies”. Stat Sci 5:472–480
Singer B (1986) Self-selection and performance-based ratings: A case study in program evaluation. In: Wainer H (Hrsg) Drawing inference from self-selected samples. New York, S. 29–62
Smith J, Todd P (2000) Does matching overcome lalondes critique of nonexperimental estimators? Working paper, Penn Institute for Economic Research, Philadelphia
Wehrling R (2002) Retail E-banking: Tinkering pays off. ABA Banking J: 11–23
Wooldridge J (2003) Introductory econometrics – A modern approach. Mason
Zettelmeyer F, Morton FS, Silvia-Risso J (2001) Cowboys or cowards: Why are internet car prices lower? NBER working paper 8667. National Bureau of Economic Research, Berkeley