1
Research Policy, (2021)
2
Ifh Working Paper, (2020)
3
European Planning Studies, (2020)
4
Research Policy, (2008)
5
Small Business Economics, (2014)
6
Journal of the Knowledge Economy, (2016)
7
Review of Economic Studies, (1962)
8
Economic Welfare and the Allocation of Resources for Invention, (1962)
9
Oxford Handbook of Innovation, (2005)
10
Regional Studies, (2011)