@article{optimalanddifferentiallyprivatedata,
  title = {Optimal and Differentially Private Data Acquisition: Central and Local Mechanisms},
  author = {Alireza Fallah and Ali Makhdoumi and Azarakhsh Malekian and Asuman Ozdaglar},
  year = {2022},
  eprint = {2201.03968},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.03968v2},
}