@article{BorckTabuchi2019,
  author    = {Rainald Borck and Takatoshi Tabuchi},
  title     = {Pollution and city size: can cities be too small?},
  journal   = {Journal of Economic Geography},
  volume    = {19},
  number    = {5},
  pages     = {995 -- 1020},
  doi       = {10.1093/jeg/lby017},
  year      = {2019},
}