@unpublished{publication-5138,
	author={Studer, Raphael},
	institution={University of Zurich},
	issn={1664-7041},
	number={No. 49},
	pages=26,
	series={Working paper series / Department of Economics},
	title={Does it matter how happiness is measured? Evidence from a randomized controlled experiment},
	year=2011,
}