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There are many noticeable "Consumer Goods Basket Items" that don't have
price parity between Australia and NZ. You need only go to Woolworths(.co.nz
vs .com.au) to see the difference.

If Australians ate Lolly Cake etc ... that would be different. Oddly NZ does
not consume the Cherry Ripe, so many confectionery economics arguments can't
be made here ... but American Imp___ist "Big Mac" economics arguements don't
entirely break down either.

However, the NZD has not reached the AUD in years (or ever?) so the AUD =
NZD parity argument is not totally applicable to these kinds of analyses.
When Australia and NZ were in the Sterling Zone (before 1966-1967) -- the
same currency value disparity was still in effect.

I must also add that NZ's physical isolation [in consideration to the global
shipping lanes] must add a bare minimum of 5%% to all consumer goods prices
vs Australia.

NZ's main milk conglomerate Fonterra says NZ consumers pay 4%% less than
"rest of world" consumers for their milk products ... so one must assume
that the NZ agricultural goods are 5%% discounted for NZ consumers.