@article{BorckPflueger2019,
  author    = {Rainald Borck and Michael Pfl{\"u}ger},
  title     = {Green cities? Urbanization, trade, and the environment},
  journal   = {Journal of regional science},
  volume    = {59},
  number    = {4},
  pages     = {743 -- 766},
  doi       = {10.1111/jors.12423},
  year      = {2019},
}