@unpublished{publication-12295,
	author={K{\"o}nig, Michael D and Liu, Xiaodong and Zimmermann, Christian},
	institution={University of Zurich},
	issn={1664-7041},
	number=203,
	pages=24,
	series={Working paper series / Department of Economics},
	title={Coauthorship networks and research output},
	year=2015,
}