Japan's interest rates

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Japan has had two decades of ultra-low interest rates. But how effective is this policy at boosting growth, and what can Japan's experience teach the rest of the world? Mariko Oi reports from Tokyo. And Lesley Curwen talks to Janet Hunter, the Saji Professor of Economic History at the London School of Economics. Plus, does luck trump hard work? Lucy Kellaway of the Financial Times wonders whether dumb luck is the biggest career booster of all.