kingy, it just can't. No economy can double in ten years. Internal stresses won't allow it.
What they can do is build superfluous stuff, which shows up as growth merely because of the way GDP is calculated. Spend a whole year's GDP on empty housing - that's "growth", but how does it help?
Look at some of the derelict cities in the US like Detroit. At least all those houses were lived in at some stage. China has built dozens of Detroits. Increases GDP, ya know.
