Ruth Richardson does not want to see Nicola Willis resign.
But the Former Finance Minister is calling on the current Minister to take a chainsaw to certain areas of spending.
Recent GDP numbers have shown a worse-than expected economic picture - with a 0.9 percent dip in the June quarter.
Ex Finance Minister Sir Roger Douglas is calling for the Minister's resignation.
But Richardson says Superannuation's unsustainable and a bloated public service.
LISTEN ABOVE

Michael Baker: Otago University epidemiologist on whether the hantavirus outbreak could become a global pandemic
02:33

Dr Lara Greaves: Victoria University associate professor in politics on what Mariameno Kapa-Kingi's departure means for Te Pati Māori
04:30

Barry Soper: Newstalk ZB senior political correspondent on the Poll of Polls predicting the next election winners
05:31