Protecting their intellectual assets : appropriability conditions and why U.S. manufacturing firms patent(or not)
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| Outros Autores: | , |
| Formato: | Livro |
| Idioma: | English |
| Publicado em: |
Cambridge
National Bureau of Economic Research
2000.
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| coleção: | NBER working paper series
no.7552 |
| Assuntos: |