https://www.bruegel.org/wp-content/uploads/2022/06/PC-11-2022-1.pdf
https://www.ussif.org/files/GSIR_Review2018F.pdf
https://globalabc.org/sites/default/files/2021-10/GABC_Buildings-GSR-2021_BOOK.pdf
https://www.piie.com/sites/default/files/documents/wp22-12.pdf