More than 700 years of history show that the times as they are now, at least in regard to interest rates, aren’t quite so different as we’re led to believe, according to research that goes back to the Black Death plague of the 14th century.
In fact, the low interest rate climate has been more rule than exception and indicative that even negative interest rates shouldn’t be considered a major aberration, and may stay there — permanently.

Read more: CNBC.