@unpublished{publication-5647,
	author={Ewerhart, Christian and Cassola, Nuno and Ejerskov, Steen and Valla, Natacha},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 186},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Liquidity, Information, and the Overnight Rate},
	year=2004,
}