Labour says it's nonsense to suggest the private sector does things better - after National has said it will campaign on asset sales next election.
ACT has proposed health and education as starting points.
But Labour leader Chris Hipkins says we only need to look at electricity companies gouging New Zealand consumers for profit.
He says the companies stopped investing in new generation since becoming private.
"Every New Zealand household's paying higher power prices - when the National Party said that if we privatise them, power prices will come down."
LISTEN ABOVE

Gavin Grey: UK correspondent on Labour's poor showing at the local elections
03:41

Geoff Bertram: energy economist on the Greens calling for the Government to bring down power prices
05:43

Shane Solly: Harbour Asset Management expert on the market reactions to the 'no deal' announcement on the Middle East conflict
03:07