@article{econhot_econhot-cited-011bb67502225f43,
  title = {Why Does Stock Market Volatility Change Over Time?},
  author = {G. William Schwert},
  journal = {The Journal of Finance},
  year = {1989},
  volume = {44},
  number = {5},
  pages = {1115-1153},
  doi = {10.1111/j.1540-6261.1989.tb02647.x},
  url = {https://doi.org/10.1111/j.1540-6261.1989.tb02647.x}
}