So there always has to be a little bit of reading between the lines to divine what it is that a central banker really means. But given that constraint Janet Yellen, Chair of the Federal Reserve, is indicating that the next interest rise is coming this month:Fed Chair Janet Yellen dropped a strong hint Friday that an interest rate hike is on the way later this month. As to why they want to change interest rates there are really two reasons. The QE induced ultra-low interest rates are building up distortions in the economy. Low interest rates has meant that the assets of them have risen in value.

Source: Forbes March 04, 2017 12:03 UTC