@article{biasandconsistencyinthreewaygravity,
  title = {Bias and Consistency in Three-way Gravity Models},
  author = {Martin Weidner and Thomas Zylkin},
  year = {2019},
  eprint = {1909.01327},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.01327v6},
}