In fact, they have been associated with a productivity slowdown, perhaps because people are spending too much time checking their smartphones.

The productivity slowdown in the 1970s was not permanent, and growth started to recover in the leading western economies in the 1980s.

How do we explain this productivity slowdown, which appears to be affecting all western economies to some degree?

The chancellor already faces a productivity slowdown expected to blow a hole in plans to balance the budget by the middle of the next decade.

He has shown how this model can be used to deal with the contemporary economic problems such as the productivity slowdown and appropriate tax policy.