Drexl, Josef MPI for Intellectual Property and Competition Law, Max Planck Society;
http://ssrn.com/abstract=2070099 (Preprint)
Drexl, J. (2012). Anti-Competitive Stumbling Stones on the Way to a Cleaner World: Protecting Competition in Innovation without a Market. Journal of Competition Law and Economics, 8(3), 507-543. doi:doi:10.1093/joclec/nhs019.