BEIJING — China ’s ambitious plan to revamp its economy has bogged down. Flabby state conglomerates have thwarted attempts to whip them into commercial shape. Rules that treat millions of city-dwelling rural migrants like second-class citizens have barely budged. Such criticisms are common from skeptical foreign economists who have long argued that President Xi Jinping ’s efforts to remake China’s economy and fix pernicious social problems have been too slow and tepid. But these withering findings on China’s reforms come from a startling place: from within the government itself. Just as striking, this unflattering report card from a Chinese state think tank — published this month with little fanfare — faults misconceived “top-level design” in policies, as well as local bureaucrats and state managers reluctant to change. It concludes: “Reform has to some extent fallen into stalemate.” The report brings into focus a sharpening debate in China about economic […]