@TechReport{economics.dp.2008-28,
 author = {Seißer, Goetz},
 title = {Perfecting Imperfect Competition},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2008},
 number = {2008-28},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2008-28}
}