The government's defending its central bank, as it moves to increase the sense of security around banks.
The Reserve Bank's new minimum capital rules mean banks will have to raise about $20 billion over the next seven years, which is expected to make it more costly to borrow.
But Finance Minister Grant Robertson told Mike Hosking it's a small price to pay for better security on Kiwis' bank balances.
He says many events will have a much larger effect on the economy over the next seven years.
"It will have some impact in that area , but it will be spread over seven years period, there are other things happening across our economy over that time frame which will have a much larger impact."
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