Cabinet has been briefed on what possible changes might be made to the Reserve Bank's contract with the Minister of Finance, Prime Minister John Key says.
But asked whether there might be any new emphasis on areas other than price stability, Key said any changes would be "very minor."
Incoming Reserve Bank Governor Graeme Wheeler is set to replace Alan Bollard as head of the central bank on September 26. The change-over means Wheeler will sign a new Policy Targets Agreement - effectively the Bank's mandate - with Finance Minister Bill English.
The current PTA emphasises the Bank is required to conduct monetary policy with the goal of maintaining a stable general level of prices. Its current policy target is to "keep future CPI inflation outcomes between 1 per cent and 3 per cent on average over the medium-term."
Opposition political parties have suggested the Reserve Bank also consider a certain level of employment, economic growth or level of the exchange rate along with its mandate for CPI inflation outcomes.
Critics of the Opposition say these requirements could in some cases conflict with one another, not allow for such stringent price control as wanted, or be asking the Reserve Bank to try and control areas of the economy that might be better dealt with through fiscal policy.
Speaking to media at his post-Cabinet press conference in Wellington on Monday, Key said Cabinet was briefed earlier during the day on the discussions between Wheeler and English regarding the new PTA.
"I'll leave that for the Minister of Finance to talk more about that, but what I can say is that, any changes are very modest," Key said.
"We have effectively done a review [of monetary policy], and we're comfortable we're on the right track," he said.
"The general advice, and the general agreement between the incoming Governor and the Minister of Finance is that the settings are about right."
Asked whether the next PTA might include any emphasis in areas other than just price stability, Key replied:
"There're some very minor changes - I hasten to add they're minor - and you'll need to take those up with the Minister of Finance when he announces [the next PTA]."
"I wouldn't read too much into it. It's pretty minor," Key said.
Asked about an expectation that macro prudential levers might be used by the Bank earlier rather than later, Key said:
"I think generally speaking that's been a view that Alan Bollard had as well - that in terms of stability of the financial markets, greater control over financial institutions, and the capacity to look at their lending ratios, for instance, was critically important.
"That's why the previous Governor actually changed, and instituted, various rules and a different level of compliance. So I think that's already there to be honest."
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