There is not an alternative to the US as the engine for growth.
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.
I mean, the world has already done a big, big effort to forget debt to countries heavily indebted and with low income. And that has given good chances to countries to get out of poverty.
Oil prices have certainly become a threat for the world economy.
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.