https://www.stratfor.com/analysis/world-without-cash
http://www.telegraph.co.uk/business/2016/02/26/world-economy-stands-on-the-cusp-of-another-crash-warns-lord-mer/
http://www.zerohedge.com/news/2016-02-29/mexicos-oil-giant-posts-record-32-billion-loss-cuts-crude-price-forecast-25
http://www.telegraph.co.uk/business/2016/02/28/lord-mervyn-king-forgive-them-their-debts-is-not-the-answer/
https://next.ft.com/content/f9c8bb52-dcac-11e5-8541-00fb33bdf038
http://www.nytimes.com/2016/02/28/business/international/g-20-rejecting-major-policy-shifts-plays-up-basic-strengths.html?hp&action=click&pgtype=Homepage&clickSource=story-heading&module=second-column-region®ion=top-news&WT.nav=top-news
http://www.bloomberg.com/news/articles/2015-10-27/u-s-plans-to-sell-down-strategic-oil-reserve-to-raise-cash