Training, wages, and sample selection. Estimating sharp bounds on treatment effects.

Autor/in	Lee, David S.
Institution	National Bureau of Economic Research
Titel	Training, wages, and sample selection. Estimating sharp bounds on treatment effects. Gefälligkeitsübersetzung: Ausbildung, Löhne und Stichprobenauswahl. Eine Schätzung von Grenzwerten bei Behandlungseffekten.
Quelle	Cambridge (2005), 33 S. PDF als Volltext kostenfreie Datei (1); PDF als Volltext kostenfreie Datei (2) Link als defekt meldenVerfügbarkeit
Reihe	NBER working paper. 11721
Beigaben	Anhang
Sprache	englisch
Dokumenttyp	online; gedruckt; Monographie; Graue Literatur
Schlagwörter	Grundbildung; Bildungspolitik; Erfolgskontrolle; Lohnentwicklung; Berufsbildung; Qualifizierungsmaßnahme; Statistik; Arbeitspapier; Wirkungsforschung; Jugendlicher
Abstract	"This paper empirically assesses the wage effects of the Job Corps program, one of the largest federally-funded job training programs in the United States. Even with the aid of a randomized experiment, the impact of a training program on wages is difficult to study because of sample selection, a pervasive problem in applied micro-econometric research. Wage rates are only observed for those who are employed, and employment status itself may be affected by the training program. This paper develops an intuitive trimming procedure for bounding average treatment effects in the presence of sample selection. In contrast to existing methods, the procedure requires neither exclusion restrictions nor a bounded support for the outcome of interest. Identification results, estimators, and their asymptotic distribution, are presented. The bounds suggest that the program raised wages, consistent with the notion that the Job Corps raises earnings by increasing human capital, rather than solely through encouraging work. The estimator is generally applicable to typical treatment evaluation problems in which there is non-random sample selection/attrition." Die Untersuchung enthält quantitative Daten. Forschungsmethode: empirisch-quantitativ; empirisch; Methodenentwicklung; Grundlagenforschung. Die Untersuchung bezieht sich auf den Zeitraum 1994 bis 1996. (author's abstract, IAB-Doku).
Erfasst von	Institut für Arbeitsmarkt- und Berufsforschung, Nürnberg
Update	2006/3