@article{chetty-et-al-2017,
  title = {{The Fading American Dream: Trends in Absolute Income Mobility Since 1940}},
  author = {Raj Chetty and David Grusky and Maximilian Hell and Nathaniel Hendren and Robert Manduca and Jimmy Narang},
  year = {2017},
  journal = {Science},
  volume = {356},
  number = {6336},
  pages = {398--406},
  doi = {10.1126/science.aal4617},
  url = {https://www.science.org/doi/10.1126/science.aal4617}
}