Urban centers and networks of co-invention in American biotechnology

Earth & Environmental Sciences

• biotechnology 100%
• economy 71%
• systems theory 55%
• social network 52%
• patent 51%
• network analysis 50%
• metropolitan area 44%
• innovation 39%
• economics 26%
• city 25%

Social Sciences

• biotechnology 94%
• invention 92%
• knowledge 39%
• economy 37%
• system theory 31%
• network analysis 30%
• patent 28%
• agglomeration area 28%
• social network 23%
• innovation 19%
• economics 12%
• Group 9%