
https://capx.co/how-much-is-socialising-at-christmas-really-worth/?utm_source=newsletter&utm_medium=email&utm_campaign=17%2F12%2F2021

https://www.mckinsey.com/~/media/McKinsey/Industries/Public%20and%20Social%20Sector/Our%20Insights/The%20social%20contract%20in%20the%2021st%20century/MGI-The-social-contract-in-the-21st-century-Full-report-final.pdf

http://www.ilo.org/wcmsp5/groups/public/—dgreports/—dcomm/—publ/documents/publication/wcms_548950.pdf