The element that causes arguments
{http://www.bbc.co.uk/news/magazine-29661615}

'When a Stock Market Theory Is Contagious', Robert Shiller's narrative
{http://economistsview.typepad.com/economistsview/2014/10/when-a-stock-market-theory-is-contagious.html}

How will Saudi Arabia respond to lower oil prices?
{http://econbrowser.com/archives/2014/10/how-will-saudi-arabia-respond-to-lower-oil-prices}