all patents equivalence
group
all patents equivalence
group
all patents
Total patents Share with citations Total citations
Eco-patents 237 90 73.0% 85.6% 1343
Controls 461 94 57.1% 93.6% 2713
Average citations* Average citations**
Eco-patents 10.5 17.4 5.7 14.9
Controls 13.2 30.8 5.9 28.9