@article{outofdistributiongeneralizationviarisk,
  title = {Out-of-Distribution Generalization via Risk Extrapolation (REx)},
  author = {David Krueger and Ethan Caballero and Joern-Henrik Jacobsen and Amy Zhang and Jonathan Binas and Dinghuai Zhang and Remi Le Priol and Aaron Courville},
  year = {2020},
  eprint = {2003.00688},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2003.00688v5},
}