Patent

Under the Kyoto Protocol, Clean Development Mechanism (CDM) is expected to play a role in facilitating the North-South knowledge spillovers for climate-friendly technologies. Using Chinese firm-level patents and citations during the 2000-2015 period, …

Geographical distance constitutes friction of searching research collaborators. Taking advantage of a quasi-natural experiment featured by recently connected High-Speed Railway (HSR) lines in China, this paper seeks to identify the impact of a …