@unpublished{publication-7934,
	author={{\"O}stberg, Per Nils Anders and Hvide, Hans K},
	doi={10.2139/ssrn.2179095},
	institution={University of Zurich},
	number={12-34},
	pages=43,
	series={Swiss Finance Institute Research Paper Series},
	title={Peer effects at work: The common stock investments of co-workers},
	year=2012,
}