China is still much poorer over all than the United States. But the Chinese have taken a commanding lead in that most intangible but valuable of economic indicators: optimism.
In a country still haunted by the Cultural Revolution, where politics are tightly circumscribed by an authoritarian state, the Chinese are now among the most optimistic people in the world — much more so than Americans and Europeans, according to public opinion surveys.
What has changed?
Most of all, an economic expansion without precedent in modern history.