@unpublished{publication-5494,
	author={Benz, Matthias and Frey, Bruno S},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 304},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Towards a Constitutional Theory of Corporate Governance},
	year=2006,
}