@misc{BuehrerFetzerHagist2017, author = {Christian B{\"u}hrer and Stefan Fetzer and Christian Hagist}, title = {Das Hamburger Beihilfemodell}, institution = {Chair of Intergenerational Economic Policy}, series = {WHU - Working Paper Series in Economics}, number = {WP 17/06}, type = {workingpaper}, pages = {20}, year = {2017}, }