Lessons from patents: using patents to measure technological change in environmental models
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Bibliographic Details
Main Author: Popp, David 1970- (Author)
Format: Book
Language:English
Published: Cambridge, Mass. National Bureau of Economic Research 2003
Series:National Bureau of Economic Research <Cambridge, Mass.>: NBER working paper series 9978
Subjects:
Online Access:Volltext
Physical Description:31 S. graph. Darst.

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