It's "the biggest issue" facing the economy: NAB CEO Ross McEwan on the housing supply crisis.

National Australia Bank chief executive Ross McEwan has welcomed by deal struck by National Cabinet supply to boost housing supply.

Mr McEwan's currently on the road on northern New South Wales and he told AM local businesses are struggling to attract workers because housing and rental accommodation is so scarce.

He says the housing crisis is dominating talks with customers - along with mortgage stress from twelve interest rate rises since May last year.

Ross McEwan spoke to me from Tamworth in northwest NSW.

And here's my analysis from the AM program