https://eml.berkeley.edu/~dromer/papers/RomerandRomerFinancialCrises.pdf
https://uk.yahoo.com/finance/news/uk-conservatives-resurge-scots-shun-083526752.html
https://www.publications.parliament.uk/pa/cm201617/cmselect/cmscotaf/82/82.pdf
https://www.brookings.edu/opinions/americas-poor-subsidize-wealthier-consumers-in-a-vicious-income-inequality-cycle/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=60566274