@unpublished{publication-5605,
	author={Osterloh, Margit and Frey, Bruno S},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 228},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Shareholders Should Welcome Employees as Directors},
	year=2005,
}