International and Institutional R&D Spillovers: Attribution of Benefits among Sources for Brazil's New Crop Varieties
- 期刊名称American Journal of Agricultural Economics
- 作者Philip G. Pardey, Julian M. Alston, Connie Chan-Kang, Eduardo C. Magalhães and Stephen A. Vosti
- 卷第88卷
- 期第1期
- 印刷ISSN0002-9092
- 电子ISSN1467-8276
- 文件大小3699.01KB
- 发表时间2006-02
- DOI10.2307/3697969
- 页码104-123
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