Study on an EU initiative for a restriction on payments in cash (Final Report)

https://ec.europa.eu/info/sites/info/files/economy-finance/final_report_study_on_an_eu_initative_ecorys_180206.pdf

Access to Cash Review - March 2019

https://www.accesstocash.org.uk/media/1087/final-report-final-web.pdf

Deutsche Bank - Cash, freedom and crime

https://www.dbresearch.com/PROD/RPS_EN-PROD/PROD0000000000441785.pdf

EY - Reducing the Shadow Economy through Electronic Payments

http://www.ey.com/Publication/vwLUAssets/Report_Shadow_Economy/$FILE/REPORT_ShadowEconomy_FINAL_17.pdf

European Commission - Proposal for an EU initiative on restrictions on payments in cash

http://ec.europa.eu/smart-regulation/roadmaps/docs/plan_2016_028_cash_restrictions_en.pdf

ING DiBa - Cash bleibt doch King

https://www.ing-diba.de/pdf/ueber-uns/presse/publikationen/ing-diba-economic-analysis-iis-cashless-society-2017.pdf

F. Schneider - Restricting or Abolishing Cash: An Effective Instrument for Fighting the Shadow Economy, Crime and Terrorism?

https://www.bundesbank.de/Redaktion/EN/Downloads/Tasks/Cash_management/Conferences/2017_04_24_schneider.pdf?__blob=publicationFile