@unpublished{publication-17539,
	author={Floris, Joël and Kaiser, Laurent and Mayr, Harald and Staub, Kaspar and Woitek, Ulrich},
	institution={University of Zurich},
	issn={1664-705X},
	number=316,
	pages=8,
	series={Working paper series / Department of Economics},
	title={Investigating survivorship bias: the case of the 1918 flu pandemic},
	year=2021,
}