America is entering a new 'economic supercycle'

Getty Images; iStock; Natalie Ammari/BI

No one's going to sound an alarm, blast out a text message, or shoot you an email about it, but the US economy is undergoing a historic shift. We are leaving one long period of expansion — what economists refer to as a "supercycle" — and entering a very different one.

Over the past 15 years, the economy has been characterized by weak demand and low interest rates — a decade-and-a-half hangover from the Great Recession. Now, experts tell me, that is coming to an end.