期刊
RESEARCH POLICY
卷 49, 期 2, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.respol.2019.103901
关键词
Environmental inventions; Patent data; Knowledge recombination; Knowledge impact
类别
资金
- 5 x 1000 Fund for Young Researchers' Mobility of the University of Ferrara
The paper investigates the nature and impact of green technological change. We focus on the search and impact spaces of green inventions: we explore the knowledge recombination processes leading to the generation of inventions and their impact on subsequent technological developments. Using a large sample of patents, filed during the period 1980-2012, we employ established patent indicators to capture the complexity, novelty and impact of the invention process. Technological heterogeneity is controlled for by comparing green and non-green technologies within narrow technological domains. We find that green technologies are more complex and appear to be more novel than non-green technologies. In addition, they have a larger and more pervasive impact on subsequent inventions. The larger spillovers of green technologies are explained only partially by novelty and complexity.
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