@unpublished{publication-3655,
	author={Romano, Joseph P and Wolf, Michael},
	institution={University of Zurich},
	issn={1664-7041 (P) 1664-705X (E)},
	number={No. 17},
	series={Department of Economics Working Paper Series},
	title={Alternative Tests for Monotonicity in Expected Asset Returns},
	year=2011,
}