1. The simple economics of basic scientific research;Nelson;J. Polit. Econ.,1959
2. Economic welfare and the allocation of resources for invention;Arrow,1962
3. Innovation as a systemic phenomenon: rethinking the role of policy enterprise & innovation;Smith;Manag. Stud.,2000
4. Equilibrium and evolutionary foundations of technology policy;Georghiou,1998
5. Innovation policy: a systemic approach;Edquist,2001