Japan GDP shake-up knocking world's growth indicator

Japan is eyeing an overhaul of how it measures growth in its economy, and that is stirring fresh questions about the reliability of the world's go-to indicator - gross domestic product -- in the digital age. Researchers at Japan's central bank crunched some numbers recently and concluded that the booming-economy-turned-perennial-laggard actually grew 2.4 percent in fiscal 2014 rather than shrinking an official 0.9 percent. "The Bank of Japan study is just the latest in a series of new questions