@unpublished{publication-5532,
	author={Benz, Matthias and Meier, Stephan},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 248},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Do People Behave in Experiments as in the Field? Evidence from Donations},
	year=2006,
}