The conventional wisdom in Washington and in most of the rest of the world is that the roaring Chinese economy is going to pull the global economy out of recession and back into growth. It’s China’s turn, the theory goes, as American consumers — who propelled the last global boom with their borrowing and spending ways — have begun to tighten their belts and increase savings rates.

The Chinese, with their unbridled capitalistic expansion propelled by a system they still refer to as “socialism with Chinese characteristics,” are still thriving, though, with annual gross domestic product growth of 8.9 percent in the third quarter and a domestic consumer market just starting to flex its enormous muscles.

That’s...