since 1980 this has never been positive – not even for one quarter – and it was only rarely positive before that time!
since 1980 this has never been positive – not even for one quarter – and it was only rarely positive before that time! Dwight Perkins of Harvard argued at the China Development Forum that the “incremental capital output ratio” – the amount of capital needed for an extra unit of GDP – rose from 3.7 [...]

