Originally posted by Elfred:
If China can sustain its economic boom by closing up, again... then
maybe should close up now, isn't it?
Hence, there won't be needing our hard currencies by closing up,
and still have an economic boom... (???????) 
Unfortunately, even if China wish to close up, the industries of
the outside world will want to get in, to get a piece of the action
from the population of 100million potential consumers.