http://www.economist.com/news/finance-and-economics/21631140-interest-rates-turn-negative-some-worse-nothing?fsrc=scn/tw/te/pe/ed/worsethannothing : The Economist reporting that a German bank is to apply a negative interest rate to personal accounts with balances of more than 500,000 euros in an attempt to get people to do something productive with their spare money. I can’t see how negative interest can work when it’s applied by only one bank – people will simply move their accounts to another bank. If we want money to work properly then we need a permanent negative interest rate for everyone: https://malcolmhenry.com/2013/11/18/the-positives-of-negative-an-idea-to-change-the-world/