@unpublished{publication-5393,
	author={Sacco, Dario and Schmutzler, Armin},
	institution={University of Zurich},
	number={No. 806},
	series={Working paper series / Socioeconomic Institute},
	title={All-Pay Auctions with Negative Prize Externalities: Theory and Experimental Evidence},
	year=2008,
}