To what extent is inequality a ‘necessary evil’?only this sources please
https://www.independent.co.uk/voices/vince-cable-inequality-wealth-distribution-housing-ladder-how-to-fix-a7930536.html
http://www.lse.ac.uk/News/Latest-news-from-LSE/2017/11-November-2017/Higher-inequality-in-the-UK-linked-to-higher-poverty
http://www.dannydorling.org/wp-content/files/dannydorling_publication_id4594.pdf uk academic style please