@unpublished{publication-5729,
	author={Buehler, Stefan and Schmutzler, Armin and Benz, Men-Andri},
	institution={University of Zurich},
	number={No. 209},
	series={Working paper series / Socioeconomic Institute},
	title={Infrastructure Quality in Deregulated Industries: Is there an Underinvestment Problem?},
	year=2002,
}