" Look at them they have a stable government (third term ) and have brought the budget back to a surplus. "
We've been down this road before.
How many states in kiwiland?, none, do you see a very major point of difference straight off the bat?
It would be better for all IMHO,if the omelette which is Australia ( the federation ) was unscrambled.
States like WA which were booming ,needed to have higher interest rates to suppress over demand, while simultaneously other states needed lower rates to increase demand.
The Horizontal fiscal equalisation measures always come after the fact- 2 to 3 year time lag, and in the interim all hell brakes lose through the particular states at the time ,from boom to bust, and back again.
If the definition of lunacy is repeating the same mistakes while expecting a different outcome, IMHO theres a very large part of the population who are economic lunatics.