Bitte verwenden Sie diesen Link, um diese Publikation zu zitieren, oder auf sie als Internetquelle zu verweisen: https://hdl.handle.net/10419/36884 
Erscheinungsjahr: 
2010
Schriftenreihe/Nr.: 
IZA Discussion Papers No. 4986
Verlag: 
Institute for the Study of Labor (IZA), Bonn
Zusammenfassung: 
This paper identifies sharp bounds on the mean treatment response and average treatment effect under the assumptions of both concave monotone treatment response (concave-MTR) and monotone treatment selection (MTS). We use our bounds and the US National Longitudinal Survey of Youth to estimate mean returns to schooling. Our upper-bound estimates are substantially smaller than (1) estimates using only the concave-MTR assumption of Manski (1997) and (2) estimates using only the MTR and MTS assumptions of Manski and Pepper (2000). They fall in the lower range of the point estimates given in previous studies that assume linear wage functions. This is because ability bias is corrected by assuming MTS when the functions are close to linear. Our results therefore imply that higher returns reported in previous studies are likely to be overestimated.
Schlagwörter: 
Nonparametric methods
partial identification
sharp bounds
treatment response
returns to schooling
JEL: 
C14
J24
Dokumentart: 
Working Paper

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