@article{goingnegativeonlineastudyofnegative,
  title = {Going Negative Online? -- A Study of Negative Advertising on Social Media},
  author = {Hongtao Liu},
  year = {2019},
  eprint = {1911.05497},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.05497v1},
}