@unpublished{publication-12581,
	author={Farkas, Walter and Necula, Ciprian and Waelchli, Boris},
	institution={University of Zurich},
	issn={1556-5068},
	number=2685939,
	series={SSRN},
	title={Herding and Stochastic Volatility},
	year=2015,
}