The effect of schooling and ability on achievement test scores:
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Bibliographic Details
Main Authors: Hansen, Karsten T. (Author), Heckman, James J. 1944- (Author), Mullen, Kathleen J. (Author)
Format: Book
Language:English
Published: Cambridge, Mass National Bureau of Economic Research 2003
Series:National Bureau of Economic Research <Cambridge, Mass.>: NBER working paper series 9881
Subjects:
Online Access:Volltext
Physical Description:41, [26] S. graph. Darst.

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