Open AccessThe market value of patents and R&D: Evidence from European firms
Author(s) -
Bronwyn H. Hall,
Grid Thoma,
Salvatore Torrisi
Publication year - 2007
Language(s) - English
Resource type - Reports
DOI - 10.3386/w13426
Subject(s) - trademark , european patent office , patent portfolio , intellectual property , business , value (mathematics) , quality (philosophy) , stock (firearms) , portfolio , tobin's q , commerce , finance , law , mathematics , engineering , political science , mechanical engineering , philosophy , statistics , epistemology