Bryce Wilkinson: Beyond tax tweaks - The real path to New Zealand's prosperity

This week, the National Party revealed its tax plans for the election. These are aimed at people with average incomes.

Overall, the changes are minor. Yes, many people would be able to earn more before moving into a higher tax bracket. And yes, there are some further tax cuts for low- and middle-income earners.

These tax cuts will cost $14.6 billion over five years.