Inside the black box of doctoral education
Subtitle: what program characteristics influence doctoral students' attrition and graduation probabilities?
By: Ronald G. Ehrenberg ... [et al.]
Contributors: Ehrenberg, Ronald G.; National Bureau of Economic Research.
Series: NBER working paper series -- no. 12065.; Working paper series (National Bureau of Economic Research) -- working paper no. 12065.
Publisher: National Bureau of Economic Research
Published: 2006
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 28
Subjects: Universities and colleges -- United States -- Graduate work
Notes: "February 2006."

Includes bibliographical references (p. 15).

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