@article{auditingmarketingbudgetallocationwithhin,
  title = {Auditing Marketing Budget Allocation with Hindsight Regret},
  author = {Nilavra Pathak and Olivier Jeunen and Eric Lambert},
  year = {2026},
  eprint = {2604.25977},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.25977},
}