
https://eml.berkeley.edu/~dromer/papers/RomerandRomerFinancialCrises.pdf

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/966868/BUDGET_2021_-_web.pdf

http://www.ips-journal.eu/topics/european-union/article/show/no-more-penny-pinching-2076/