@unpublished{publication-5226,
	author={Zhang, Jingjing and Casari, Marco},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 506},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={How groups reach agreement in risky choices: an experiment},
	year=2010,
}