@article{cunningham2021killer,
  title     = {Killer Acquisitions},
  author    = {Cunningham, Colleen and Ederer, Florian and Ma, Song},
  journal   = {Journal of Political Economy},
  volume    = {129},
  number    = {3},
  pages     = {649--702},
  year      = {2021},
  publisher = {University of Chicago Press}
}