
The upsurge in inflation has revived old debates about what causes it.
Until recently, it has been an article of faith among both businesses and union leaders that inflation is “cost-push”, meaning it is caused by higher input prices.

The upsurge in inflation has revived old debates about what causes it.
Until recently, it has been an article of faith among both businesses and union leaders that inflation is “cost-push”, meaning it is caused by higher input prices.