@misc{KritikosSchierschStiel2021,
  author    = {Alexander Kritikos and Alexander Schiersch and Caroline Stiel},
  title     = {The productivity puzzle in business services},
  booktitle = {CEPA Discussion Papers},
  number    = {37},
  issn      = {2628-653X},
  doi       = {10.25932/publishup-51453},
  institution = {Extern},
  series    = {CEPA Discussion Papers},
  number    = {37},
  type      = {workingpaper},
  pages     = {37},
  year        = {2021},
}