@unpublished{publication-5174,
	author={Staubli, Stefan and Zweim{\"u}ller, Josef},
	institution={University of Zurich},
	issn={1664-7041},
	number=20,
	pages=46,
	series={Working paper series / Department of Economics},
	title={Does raising the retirement age increase employment of older workers?},
	year=2012,
}