@misc{tierney2022bias,
  title={Bias and Excess Variance in Election Polling: A Not-So-Hidden Markov Model},
  author={Graham Tierney and Alexander Volfovsky},
  year={2022},
  eprint={2206.14570},
  archivePrefix={arXiv},
  primaryClass={stat.AP},
  url={https://arxiv.org/abs/2206.14570}
}