@unpublished{publication-5246,
	author={Cassar, Lea and Frey, Bruno S},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 489},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Should I stay or should I go? An institutional approach to brain drain},
	year=2010,
}