@unpublished{publication-9414,
	author={Baetschmann, Gregori and Winkelmann, Rainer},
	institution={University of Zurich},
	issn={1664-7041},
	number=151,
	pages=22,
	series={Working paper series / Department of Economics},
	title={A dynamic hurdle model for zero-inflated count data: with an application to health care utilization},
	year=2014,
}