@unpublished{publication-5637,
	author={Borek, Thomas and Buehler, Stefan and Schmutzler, Armin},
	institution={University of Zurich},
	number={No. 408},
	series={Working paper series / Socioeconomic Institute},
	title={Mergers under Asymmetric Information Is there a Lemons Problem?},
	year=2004,
}