
https://www.economiesuisse.ch/de/artikel/die-versorgungssituation-der-schweiz-bleibt-kritisch?utm_medium=email&utm_source=mailXpert&utm_campaign=Newsletter&utm_content=Der%20neue%20Swiss%20Code%20und%20was%20er%20in%20der%20Praxis%20bedeutet

https://blogs.lse.ac.uk/europpblog/2023/11/21/how-eu-integration-has-affected-economic-redistribution-in-central-and-eastern-europe/

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1128537/SME_Handbook_TRA.pdf