Ben Bernanke

Economists say US trade deficits are normal and not the "unusual and extraordinary" threat cited by Trump for imposing emergency tariffs

The trio was awarded for research into banking and financial crises

Bernanke also offers some self-criticisms, including an acknowledgement that he failed to recognise how slowly the economy was emerging from recession after the emergency

Here's a look at what transpired over the era of rock-bottom interest rates and three rounds of aggressive 'quantitative easing':