1. Acemoglu, D., Akcigit, U., 2009. State-dependent intellectual property rights policy. manuscript.
2. A model of growth through creative destruction;Aghion;Econometrica,1992
3. The Truth About the Drug Companies: How They Deceive Us and What to Do About it;Angell,2005
4. The Patent Crisis and How the Courts Can Solve It;Burk,2009
5. Cameron, G., 2000. R&D and growth at the industry level. manuscript.