Protecting their intellectual assets
Subtitle: appropriability conditions and why U.S. manufacturing firms patent (or not)
By: Wesley M. Cohen, Richard R. Nelson, John P. Walsh.
Contributors: Nelson, Richard R.; Walsh, John P.; National Bureau of Economic Research.
Series: NBER working paper series -- working paper 7552; Working paper series (National Bureau of Economic Research) -- working paper no. 7552.
Publisher: National Bureau of Economic Research
Published: 2000
Place of publication: Cambridge, MA
Language: eng
Number of pages: 31
Subjects: Patents -- United States.; Manufacturing industries -- Technological innovations -- Law and legislation -- United States.; Trade secrets -- United States.; Industrial management -- United States.
Other titles: Appropriability conditions and why U.S. manufacturing firms patent (or not)
Notes: "February 2000."

Includes bibliographical references (p. 30-31).

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