6Porter M E,Van der Linde C.Toward a new concep-tion of the environment-competitiveness relationship[J].Journal of Economic Perspectives,1995,9(4):97-118.
7Mayer H.Catching up:The role of state science andtechnology policy in open innovation[J].Economic De-velopment Quarterly,2010,3(24):195-209.
8Gassmann O.Opening up the innovation process:towards an agenda[J].R&D Management,2006,36(3):223-228.