@article{econhot_econhot-reading-10,
  title = {A Simple, Positive Semi-Definite, Heteroskedasticity and Autocorrelation Consistent Covariance Matrix},
  author = {Whitney K. Newey and Kenneth D. West},
  journal = {Econometrica},
  year = {1987},
  volume = {55},
  number = {3},
  pages = {703},
  doi = {10.2307/1913610},
  url = {https://doi.org/10.2307/1913610}
}