@unpublished{publication-5233,
	author={Epper, Thomas and Fehr-Duda, Helga and Bruhin, Adrian},
	institution={University of Zurich},
	issn={1424-0459},
	number={No. 510},
	series={Working paper series / Institute for Empirical Research in Economics},
	title={Viewing the Future through a Warped Lens: Why Uncertainty Generates Hyperbolic Discounting},
	year=2010,
}