INSIDE BEIJING’S third ring road, Mr Li rides a scooter for FlashEx, a courier. Now in his 40s, with two school-age children, he migrated from Henan province, roughly 600km to the south. The capital’s ring roads, he has discovered, are not paved with gold. Competition has increased; fees have declined. Of the roughly 8,000 yuan ($1,100) he makes each month, he saves more than half.