https://www.bruegel.org/sites/default/files/2025-08/PB%2023%202025_2.pdf
https://www.nao.org.uk/wp-content/uploads/2018/06/Investigation-into-the-governments-handling-of-the-collapse-of-Carillion.pdf
http://ecipe.org//app/uploads/2018/02/ECIPE_Occasional0218_HLM_V7.pdf
https://www.bancaditalia.it/pubblicazioni/quaderni-storia/2020-0046/QSE-46.pdf