Extent: | application/pdf |
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Type of publication: | Article |
Notes: | DOI: 10.1257/aer.90.2.215 |
Classification: | O34 - Intellectual Property Rights: National and International Issues ; O33 - Technological Change: Choices and Consequences; Diffusion Processes |
Source: |
Persistent link: https://www.econbiz.de/10005571502