Outperformance is not necessarily equal to skill

https://youtu.be/QKgKEuiqcRM

Vanguard: The prognosis for Europe

Vanguard: Negative yields-What's the story?

https://advisors.vanguard.com/VGApp/iip/site/advisor/research/article/ArticleTemplate.xhtml?iigbundle=EWIR052515&sub=858820531&st=R&oeaut=XJbTWDWuVJ

40 years later- The relevance of Okun’s "Equality and Efficiency: The Big Tradeoff"

http://www.brookings.edu/events/2015/05/04-okun-equality-efficiency-tradeoff

FT.com: UK deflation

Vanguard: US interest rates