@unpublished{publication-5633,
	author={Stutzer, Alois and Frey, Bruno S},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 151},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Stress That Doesn't Pay: The Commuting Paradox},
	year=2004,
}