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The Roots of Agricultural Innovation: Patent Evidence of Knowledge Spillovers / Matthew S. Clancy, Paul Heisey, Yongjie Ji, GianCarlo Moschini.
- Format:
- Book
- Author/Creator:
- Clancy, Matthew S.
- Series:
- Working Paper Series (National Bureau of Economic Research) no. w27011.
- NBER working paper series no. w27011
- Language:
- English
- Physical Description:
- 1 online resource: illustrations (black and white);
- Place of Publication:
- Cambridge, Mass. National Bureau of Economic Research 2020.
- Summary:
- This chapter investigates the extent to which agricultural innovations draw on ideas originating outside of agriculture. We identify a large set of US patents for agricultural technologies granted between 1976 and 2018. To measure knowledge spillovers to these patents, we rely on three proxies: patent citations to other patents, patent citations to the scientific literature, and a novel text analysis to identify and track new ideas in the patent text. We find that more than half of knowledge flows originate outside of agriculture. The majority of these knowledge inflows, however, still originate in domains that are close to agriculture.
- Notes:
- Print version record
- April 2020.
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