@unpublished{publication-5723,
	author={Benz, Matthias and Stutzer, Alois},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 127},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Do Workers Enjoy Procedural Utility?},
	year=2002,
}