Does globalisation work to make most people better off most of the time?
Until recently it was mostly the more left-wing fringes of academia and political life that asked this question and didn't like the answer. The events of the past four years have shoved this debate firmly into the mainstream and now even the most conservative of economists and academics are questioning the drive to globalise everything.
These doubts are relatively new. The globalisation of companies, factories and money markets appeared for almost all of the past 30 years to be the ultimate proof that unfettered capitalism was the best way to run our economies and lives.
It seemed the most efficient way to do things and the fairest. People in Third World countries could get jobs in factories and get richer. People in rich countries could buy gadgets and other knick-knacks at cheaper prices without having to do the dirty, labour-intensive and boring work needed to produce them.
It seemed the perfect solution. Until it wasn't.