Nicola Willis says uncertainty over Donald Trump's tariffs drove down GDP in the June quarter.
But the Finance Minister admits has admitted she was surprised to see the economy's contracted 0.9 percent.
She says there was consensus that GDP would drop, but most forecasts had it at 0.3 percent.
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Michael Baker: Otago University epidemiologist on whether the hantavirus outbreak could become a global pandemic
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Dr Lara Greaves: Victoria University associate professor in politics on what Mariameno Kapa-Kingi's departure means for Te Pati Māori
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Barry Soper: Newstalk ZB senior political correspondent on the Poll of Polls predicting the next election winners
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