Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/160495
Authors: 
Heckman, James J.
Walker, James R.
Year of Publication: 
1989
Series/Report no.: 
Center Discussion Paper 573
Document Type: 
Working Paper

Files in This Item:
File
Size
2.61 MB





Items in EconStor are protected by copyright, with all rights reserved, unless otherwise indicated.