New Zealand's former Finance Minister has stepped up to justify today's disappointing GDP results.

GDP fell 0.3 percent in the three months to September- with political voices blaming the previous Government's decisions for the decline.

Grant Robertson says it doesn't tarnish Labour's economic credibility, as other economies are in the same boat.

ZB political editor Jason Walls says there's a silver lining here, because interest rates could come down sooner than predicted.

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