@article{BuehrerFetzerHagist2020,
  author    = {Christian B{\"u}hrer and Stefan Fetzer and Christian Hagist},
  title     = {Adverse selection in the German Health Insurance System - the case of civil servants},
  series   = {Health policy},
  volume    = {124},
  doi       = {10.1016/j.healthpol.2020.04.006},
  pages     = {888 -- 894},
  year      = {2020},
  language  = {en}
}