@article{elgin2022marginal,
  title={Marginal Cost of Public Funds under the Presence of Informality},
  author={Elgin, Ceyhun and Torul, Orhan and Turk, Tugce and others},
  journal={Hacienda P{\'u}blica Espa{\~n}ola/Review of Public Economics},
  volume={241},
  number={2},
  pages={79--103},
  year={2022},
  publisher={IEF}
}