The Swiss-based "bank of central banks" said the "sinking trend" of global rates would push countries further into uncharted territory.
It highlighted that $2.4 trillion (£1.6 trillion) of long-term global sovereign debt was now trading at negative yields, with an increasing number of investors willing to pay governments for the privilege of lending to them.
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http://www.telegraph.co.uk/finance/economics/11479425/Low-rates-will-trigger-civil-unrest-as-central-banks-lose-control-BIS.html
I see the current extreme low interest rates as a tool for redistributing wealth (savings) from us to the top dogs. In addition if I want to see any sensible gains on my pension savings (just for keeping up with the inflation) I have to allow more and more risky investment packages. I'm just curious when I'll hear something like "Aaaaaand it's gone."