@unpublished{publication-5388,
	author={Madlener, Reinhard and Gao, Weiyu and Neustadt, Ilja and Zweifel, Peter},
	institution={University of Zurich},
	number={No. 809},
	series={Working paper series / Socioeconomic Institute},
	title={Promoting renewable electricity generation in imperfect markets: price vs. quantity policies},
	year=2008,
}