The Reserve Bank is trying to understand why inflation has undershot expectations over the past six years.

Prime Minister John Key has expressed further frustration about the Reserve Bank's response to rising house prices.

The US Federal Reserve has left its benchmark interest rate unchanged amid fresh doubts about the health of the U.S. job market and 'Brexit' fears.

Prime Minister John Key says he "potentially" supports income-related restrictions on mortgage lending.

One of the wildest ideas to hit the US Presidential campaign trail might become a reality sooner than you would think.

New lending restrictions to prevent people borrowing too much relative to their income are on the cards.

The kiwi dollar has jumped 1.3 per cent after the Reserve Bank left rates on hold this morning.

So interest rates stay at a record low - does this mean mortgage rates are going to fall?

What is the lesser of two evils - the housing bubble or low inflation? It's a tough choice when you consider the limited ability of monetary policy to definitively solve either problem.

COMMENT: The Reserve Bank is back in a familiar place - between those two rocks of very low CPI inflation and very high house price inflation.

The Reserve Bank could expand mortgage lending restrictions in an effort to head off the housing boom as it rolls down the country, economists say.

An Auckland economist says recent changes to tax and deposit rules didn't dampen the property market - and he expects prices to keep climbing.

Inflation for the first quarter of the year was bang on Reserve Bank expectations and won't add weight for another rate cut next week, say economists.

Latest CPI stats show that plunging petrol prices have been cancelled out by rising tobacco prices, pushing inflation to 0.2pc.

Westpac economist says a resurgent property market means new lending restrictions are likely.

Brexit and growing economic inequality has been highlighted by the IMF as a risk to the global economy.

Real estate chief says fears about Auckland property market unfounded as prices rocket 14 per cent.

COMMENT: The irony is banks have helped Reserve Bank avoid the feared side effect of the rate cut of adding more fuel on Auckland property price fires.

Banks rarely pass on full official cash rate cuts to mortgage holders, Reserve Bank data shows.

The knife has been taken to saver's interest rates, but banks have been reluctant to drop mortgage rates.

The BNZ has now followed other major banks and is now passing part of last week's official cash rate cut to its mortgage-holders.

COMMENT: It's Friday morning, the day after the Reserve Bank Governor's bombshell rate cut and I've muddled my diary.

Three banks say they will pass on only part of the surprise official cash rate cut made by the Reserve Bank.

Wheeler's surprise move at odds with the way he was talking a few weeks ago, write Liam Dann.

WATCH: Fran O'Sullivan, Brian Gaynor and Liam Dann dissect the surprising rate cut and what it means for house prices.

The New Zealand dollar dropped by US1c after the Reserve Bank surprised the market with this morning's OCR cut.

Economists are divided, but on balance, wait and see looks like the Reserve Bank's best strategy for interest rates, writes Brian Fallow.

Mortgage rates for Kiwis could go up amid global concern about credit risk.