@unpublished{publication-4901,
	author={Studer, Raphael and Winkelmann, Rainer},
	institution={University of Zurich},
	issn={1664-7041 (P) 1664-705X (E)},
	number={No. 03},
	pages=19,
	series={Working paper series / Department of Economics},
	title={Specification and estimation of rating scale models - with an application to the determinants of life satisfaction},
	year=2011,
}