@article{governmentspendingandmulticategory,
  title = {Government spending and multi-category treatment effects:The modified conditional independence assumption},
  author = {Koiti Yano},
  year = {2020},
  eprint = {2007.08396},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2007.08396v3},
}