@article{omittedvariablebiasinmachinelearned,
  title = {Long Story Short: Omitted Variable Bias in Causal Machine Learning},
  author = {Victor Chernozhukov and Carlos Cinelli and Whitney Newey and Amit Sharma and Vasilis Syrgkanis},
  year = {2021},
  eprint = {2112.13398},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2112.13398v5},
}