Why are drugs more profitable than vaccines?
By: Michael Kremer, Christopher M. Snyder.
Contributors: Snyder, Christopher M.; National Bureau of Economic Research.
Series: NBER working paper series -- no. 9833.; Working paper series (National Bureau of Economic Research) -- working paper no. 9833.
Publisher: National Bureau of Economic Research
Published: 2003
Place of publication: Cambridge, Mass
Language: eng
Number of pages: 36
Subjects: Drugs; Vaccines
Notes: "July 2003."

Includes bibliographical references.

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