@article{tradingpatternswithinandbetweenregionsa,
  title = {Trading patterns within and between regions: an analysis of Gould-Fernandez brokerage roles},
  author = {Matthew Smith and Yasaman Sarabi},
  year = {2021},
  eprint = {2107.01696},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2107.01696v3},
}