3Bronwyn H. HalllTax Incentives for Innovation in the United States[ EB/OL]. A Report to the European Union submitted by Asesoria Industrial ZABALA - Spain. Contract N?: INNO - 99 - 03, 2001. http://elsa. berkeley, edu/-bhhall/papers/BHHOl% 20EU% 20Report% 20USA% 20rtax. pdf. 2008 - 12 - 20.