@article{measuringproductivitydispersiona,
  title = {Measuring productivity dispersion: a parametric approach using the Lévy alpha-stable distribution},
  author = {Jangho Yang and Torsten Heinrich and Julian Winkler and François Lafond and Pantelis Koutroumpis and J. Doyne Farmer},
  year = {2019},
  eprint = {1910.05219},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1910.05219v2},
}