There's growing concern about the impact of the Middle East conflict, and at least one major bank has forecasted increases to the OCR.

ANZ has revised its outlook, with forecasted increases to the OCR bringing rates up to 3 percent by October.

Associate Finance Minister Chris Bishop says skyrocketing fuel prices will have a flow-on effect on the New Zealand economy - and it's likely inflation will spike too.

"That's an unfortunate reality of global events...the forecast will properly come out with the Budget, that's the kind of next major event."

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