@incollection{ay-ch-2020-the-impact-of-the-aca-on-insurance-coverage-disparit,
  title = {The Impact of the ACA on Insurance Coverage Disparities after Four Years},
  author = {Charles Courtemanche and Ishtiaque Fazlul and James Marton and Benjamin Ukert and Aaron Yelowitz and Daniela Zapata},
  year = {2020},
  booktitle = {Medicaid: Politics, Policy, and Key Issues},
  editor = {Daniel Lanford},
  publisher = {Nova Science Publishers},
  pages = {21--52},
  url = {https://www.nber.org/system/files/working_papers/w26157/w26157.pdf}
}