Scale, scope and spillovers
Subtitle: the determinants of research productivity in the pharmaceutical industry
By: Rebecca Henderson, Iain Cockburn.
Contributors: Cockburn, Iain.; National Bureau of Economic Research.
Series: NBER working paper series -- working paper no. 4466; Working paper series (National Bureau of Economic Research) -- working paper no. 4466.
Publisher: National Bureau of Economic Research
Published: 1993
Place of publication: Cambridge, MA
Language: eng
Number of pages: 44
Subjects: Drugs -- Research -- Economic aspects -- Econometric models.; Pharmacy -- Research -- Economic aspects -- Econometric models.
Notes: "September 1993."

Includes bibliographical references (p. 34-38).

Bound with: Bilateral search as an explanation for labor market segmentation and other anomalies.