@article{whynorthkoreanrefugeesarereluctantto,
  title = {Why North Korean Refugees are Reluctant to Compete: The Roles of Cognitive Ability},
  author = {Syngjoo Choi and Byung-Yeon Kim and Jungmin Lee and Sokbae Lee},
  year = {2021},
  eprint = {2108.08097},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2108.08097v2},
}