@unpublished{publication-5306,
	author={Goeree, Michelle S and Helland, Eric},
	institution={University of Zurich},
	issn={1424-0459},
	number=448,
	pages=57,
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Do research joint ventures serve a collusive function?},
	year=2012,
}