https://www.ccomptes.fr/system/files/2019-07/20190716-rapport-regimes-speciaux-retraite.pdf
https://www.esri.ie/system/files/publications/SUSTAT123_2.pdf
http://www.fiscalcouncil.ie/wp-content/uploads/2017/06/Fiscal-Assessment-Report-June-2017-Final.pdf
https://www.brookings.edu/articles/when-and-why-does-congress-create-fiscal-commissions/