@article{BaumannKritikos2016,
  author    = {Julian Baumann and Alexander Kritikos},
  title     = {The link between R\&D, innovation and productivity: Are micro firms different?},
  journal   = {Research Policy},
  volume    = {45},
  pages     = {1263 -- 1274},
  doi       = {10.1016/j.respol.2016.03.008},
  year      = {2016},
}