Protection for sale
By: Gene M. Grossman, Elhanan Helpman.
Contributors: Helpman, Elhanan.; National Bureau of Economic Research.
Series: NBER working paper series -- working paper no. 4149; Working paper series (National Bureau of Economic Research) -- working paper no. 4149.
Publisher: National Bureau of Economic Research
Published: 1992
Place of publication: Cambridge, MA
Language: eng
Number of pages: 40
Subjects: Commercial policy -- Mathematical models.; Lobbying.
Notes: "August 1992."

Includes bibliographical references (p. 39-40).

Binghamton University Libraries' copy bound with: Ivory tower versus corporate lab.