Podcast: Average Effective Tax Rates

Dr Eric Crampton
Robin Oliver
19 April, 2023

In this podcast episode, the Initiative’s chief economist Eric Crampton is joined by OliverShaw Principal, Robin Oliver, to discuss new independent research which shows that high-wealth individuals pay more tax on average and represent a higher proportion of the total tax take than may previously have been thought.

It has been strongly suggested that, in practice, New Zealand’s income tax regime is not as fair as statutory tax rates would suggest. However, no reliable data exists to support this claim. Leading tax consultancy OliverShaw commissioned Australasian consulting firm, Sapere Research Group, to prepare a report on the effective rates of tax that New Zealand’s tax and benefit systems impose on the incomes of its residents.

Sapere’s report, commissioned by OliverShaw, is here.

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