@article{dynamicmonopolypricingwithmultiple,
  title = {Dynamic Monopoly Pricing With Multiple Varieties: Trading Up},
  author = {Stefan Buehler and Nicolas Eschenbaum},
  year = {2021},
  eprint = {2108.07146},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2108.07146v2},
}