@unpublished{publication-15836, author={Schuldenzucker, Steffen and Seuken, Sven and Battiston, Stefano}, doi={10.2139/ssrn.3043708}, institution={University of Zurich}, issn={1556-5068}, number=3043708, series={SSRN}, title={Default ambiguity: credit default swaps create new systemic risks in financial networks}, year=2017, }