@TechReport{economics.dp.2011-47,
 author = {D’Agata, Antonio},
 title = {Existence of Exact Walrasian Equilibria in Non Convex Economies},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2011},
 number = {2011-47},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2011-47}
}