Video: What China's mess means for the world

It's been an ugly start to the year for China, with Chinese stocks in Hong Kong falling to global financial crisis lows. Bloomberg Businessweek's Peter Coy takes a look at how China's mess affects the world, and explains why the US economy is still relatively insulated.

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Currency control?
New Zealand

Currency control?

The Reserve Bank of New Zealand is considering launching a central bank digital currency (CBDC). This episode explores why and how it could work.