
Originally Posted by
The Stranger
It casts the tax net wider.
The Plumber (replace with virtually any trade) that does a cash job, who collects his income tax? The theif, the fence, the drug dealer - who's collecting their income tax? Why should they trade tax free? Just because they are breaking the law should they also be rewarded for it?
The higher the rate of GST the more of that money gets caught in the tax net and in theory the less is required of mine. Well that's the theory, but the reality of what the govt would do with any "extra" money could well be different.
Sure, there are other pros and cons. But that is the angle I was coming from.

Originally Posted by
BMWST?
because people can arrange their finaces to avoid income tax....its more difficult to avoid gst
OK .. yes, theoretically that would work (By the way, a lot of my old criminal friends - I have little to do with them any more - pay taxes on criminal earnings, because if they get caught by the law they also get hit by the taxman ... the last big case of the taxman hitting criminals which made publicity in GodZone was the Mister Asia ring - many of them got hit by IRD and lost everything)
The size of the Black Economy in NZ has been estimated at anywhere between 12% and 20% of GDP (the most likely and support by evidence claim I've seen is around 14%) - that's a large chunk of money floating through this country that is not taxed in any way - a rough estimate if it was taxed would be a 14% increase in the Govt tax take - so your argument does hold some water ...
And yes, people do avoid paying income tax - GST is harder to avoid.
Good discussion paper here ... http://oldfraser.lexi.net/publicatio.../chapter5.html
The problem is that a lot of the stays in the Black Economy - for instance, how do you claim GST on tinnies? A tradesman dealing in cash jobs is likely to support others doing the same. Sure, he will buy food, pay the power bill, etc etc .. but that won't change. So putting up GST and lowering other taxes will hit the a same people, those who live and work in the normal economy.
"So if you meet me, have some sympathy, have some courtesy, have some taste ..."
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