@article{howtopurchaselabelsacosteffectiveapproac,
  title = {How to Purchase Labels? A Cost-Effective Approach Using Active Learning Markets},
  author = {Xiwen Huang and Pierre Pinson},
  year = {2025},
  eprint = {2511.20605},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2511.20605},
}