@unpublished{publication-18361,
	author={Ewerhart, Christian and Zubrickas, Robertas},
	institution={University of Zurich},
	issn={1664-705X},
	number=332,
	pages=40,
	series={Working paper series / Department of Economics},
	title={Social preference and group identity in the financial cooperative},
	year=2019,
}