@unpublished{publication-9283,
	author={K{\"o}nig, Michael D and Liu, Xiaodong and Zenou, Yves},
	institution={University of Zurich},
	issn={1664-7041},
	number=142,
	pages=83,
	series={Working paper series / Department of Economics},
	title={R&D networks: theory, empirics and policy implications},
	year=2014,
}