author = { Fuest, Clemens AND Heinemann, Friedrich AND Ungerer, Martin },

title = { Reforming the financing of the European Union a proposal },

publisher = {ZEW},

year = {2015},

booktitle = {ZEW Policy briefs ; No. 2, May 2015},

address = { Mannheim },

url = { http://slubdd.de/katalog?TN_libero_mab2 }