@techreport{HermwilleKreibich2017,
  type      = {Working Paper},
  author    = {Hermwille, Lukas and Kreibich, Nicolas},
  title     = {Promoting carbon pricing : German projects and initiatives},
  institution = {Wuppertal Institute for Climate, Environment and Energy},
  address   = {Wuppertal},
  year      = {2017},
  language  = {en}
}