We have believed for many years, much earlier than anyone else was talking about this issue, that it was in the interest of China to evolve to a more flexible exchange rate system.
We also need a fund that can say 'no'.
So the American economy needs the world, and the world needs the American economy.
To try to correct imbalances with trade restrictions is a grave error.
There is not an alternative to the US as the engine for growth.
Oil prices have certainly become a threat for the world economy.