Everything you Always Wanted to Know About Inventors (But Never Asked): Evidence from the PatVal-EU Survey
By drawing information from a survey of inventors of 9,017 European patents (PatVal-EU), this paper provides novel and detailed data about the characteristics of the European inventors, the
sources of their knowledge, the importance of formal and informal collaborations among researchers and institutions, the motivations to invent, and the actual use and economic value of the patents.
Link
http://econpapers.repec.org/scripts/redir.pl?u=http%3A%2F%2Fwww.lem.sssup.it%2FWPLem%2Ffiles%2F2005-20.pdf;h=repec:ssa:lemwps:2005/20