Reference: those name-and-shame articles a while back from a network company (Level 3, from memory?) that produced hard numbers on how little $ US cable/DSL internet companies were willing to put into improving their capacity at the peer link.

[Edit] Yup, Level 3. I thought they were interesting because hard numbers at this level seem difficult to come by. Here are the articles from 2014:

http://blog.level3.com/open-internet/chicken-game-played-chi...

http://blog.level3.com/open-internet/observations-internet-m...