Protecting their intellectual assets : appropriability conditions and why U.S. manufacturing firms patent(or not)

Bibliografiske detaljer
Hovedforfatter: Cohen, Wesley M.
Andre forfattere: Nelson, Richard R., Walsh, John P.
Format: Bog
Sprog:English
Udgivet: Cambridge National Bureau of Economic Research 2000.
Serier:NBER working paper series no.7552
Fag: