By Cockburn Iain M.   Lanjouw Jean O.   Schankerman Mark   in The American Economic Review

ISSN:0002-8282|106|1|136-164

American Economic Association‎(2016)‎

Access to resources Favorite 11.295803

By Berndt Ernst R.   Blalock Nathan   Cockburn Iain M.   in International Journal of the Economics of Business

ISSN:1466-1829|18|2|203-224

Routledge Ltd‎(2011)‎

Access to resources Favorite 11.295803