Stephen Sackur talks to the influential contrarian economist, Steve Keen. It's a good time to be an economist who swims against the tide of conventional wisdom. After all the last decade has seen classical economics take a beating: the great financial crash wasn't supposed to happen, nor was the prolonged eurozone stagnation. Now the liberal economic consensus tells us that Brexit will be a disaster, but should we believe it? Amid all the argument do any economists deserve our trust?

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