@article{generalizeddifferenceindifferencesfor,
  title = {Changes-in-Changes for Ordered Choice Models: Too Many "False Zeros"?},
  author = {Daniel Gutknecht and Cenchen Liu},
  year = {2024},
  eprint = {2401.00618},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2401.00618v3},
}