![](/img/cover-not-exists.png)
Exploring the cross-country gap in patenting: A Stochastic Frontier Approach
Xiaolan Fu, Qing Gong YangVolume:
38
Year:
2009
Language:
english
DOI:
10.1016/j.respol.2009.05.005
File:
PDF, 596 KB
english, 2009