By Buehler Stefan   Gärtner Dennis L.   in The American Economic Review

ISSN:0002-8282|103|1|335-359

American Economic Association‎(2013)‎

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By Buehler Stefan   Gärtner Dennis   Halbheer Daniel   in Journal of Regulatory Economics

ISSN:0922-680X|30|1|99-115

Springer Publishing Company ‎(2006)‎

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