China has vowed repeatedly, most recently during the just-concluded visit by Vice President Joseph R. Biden Jr., who met in this city with Vice President Xi Jinping, to overhaul its state-directed growth model and empower its consumers to spend more on their own, something that would make its economy more sustainable and help the sluggish world economy as well. But leaders in Beijing and places like Chengdu are finding it difficult to steer China away from growth that relies largely on infrastructure projects, construction and export manufacturing, economists and financial analysts say. Read More
