@unpublished{publication-5555,
	author={Frey, Bruno S and Neckermann, Susanne},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 254},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Auszeichnungen: Ein Vernachl{\"a}ssigter Anreiz},
	year=2005,
}