@misc{campbell2019alliances,
  title={Alliances and Conflict, or Conflict and Alliances? Appraising the Causal Effect of Alliances on Conflict},
  author={Benjamin Campbell},
  year={2019},
  eprint={1908.07100},
  archivePrefix={arXiv},
  primaryClass={stat.AP},
  url={https://arxiv.org/abs/1908.07100}
}