@article{econhot_econhot-reading-28,
  title = {Optimal Replacement of GMC Bus Engines: An Empirical Model of Harold Zurcher},
  author = {John Rust},
  journal = {Econometrica},
  year = {1987},
  volume = {55},
  number = {5},
  pages = {999},
  doi = {10.2307/1911259},
  url = {https://doi.org/10.2307/1911259}
}