@article{FritschKritikosSorgner2015,
  author    = {Michael Fritsch and Alexander Kritikos and Alina Sorgner},
  title     = {Why did self-employment increase so strongly in Germany?},
  journal   = {Entrepreneurship and regional development},
  volume    = {27},
  number    = {5-6},
  pages     = {307 -- 333},
  doi       = {10.1080/08985626.2015.1048310},
  year      = {2015},
}