Bias corrected estimates of GED returns
By: James J. Heckman, Paul A. LaFontaine.
Contributors: LaFontaine, Paul A.; National Bureau of Economic Research.
Series: NBER working paper series -- no. 12018.; Working paper series (National Bureau of Economic Research) -- working paper no. 12018.
Publisher: National Bureau of Economic Research
Published: 2006
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 28
Subjects: General educational development tests -- Economic aspects
Notes: "January 2006."

Includes bibliographical references (p. 27-28).

Also available in PDF from the NBER world wide web site (www.nber.org).