Showing 1 - 10 of 14
Persistent link: https://www.econbiz.de/10003795374
Persistent link: https://www.econbiz.de/10003466857
Persistent link: https://www.econbiz.de/10003632012
Persistent link: https://www.econbiz.de/10003512502
Persistent link: https://www.econbiz.de/10003532539
Persistent link: https://www.econbiz.de/10003947019
Persistent link: https://www.econbiz.de/10003841382
Persistent link: https://www.econbiz.de/10003239688
Persistent link: https://www.econbiz.de/10002576955
Patent data have been widely used in research on technological innovation to characterize firms' locations as well as the proximities among firms in knowledge space. Researchers could measure proximity among firms with a variety of measures based on patent class data, including Euclidean...
Persistent link: https://www.econbiz.de/10012750343