@article{tversky1991,
  title={Loss Aversion in Riskless Choice: A Reference-Dependent Model},
  author={Amos Tversky and Daniel Kahneman},
  year={1991},
  journal={The Quarterly Journal of Economics},
  doi={10.2307/2937956},
  url={https://doi.org/10.2307/2937956}
}