@unpublished{publication-5810,
	author={Falk, Armin and Knell, Markus},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 53},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Choosing the Joneses: On the Endogeneity of Reference Groups},
	year=2000,
}