Question: how much does agriculture contribute to nz economy

title: Economy of New Zealand
text: Taxation in New Zealand is collected at a national level by the Inland Revenue Department ( IRD ) on behalf of the Government of New Zealand . National taxes are levied on personal and business income , and on the supply of goods and services ( GST ) . There is no capital gains tax although certain `` gains '' such as profits on the sale of patent rights are deemed to be income , income tax does apply to property transactions in certain circumstances , particularly speculation . Local property taxes ( rates ) are managed and collected by local authorities . Some goods and services carry a specific tax , referred to as an excise or a duty such as alcohol excise or gaming duty . These are collected by a range of government agencies such as the New Zealand Customs Service . There is no social security ( payroll ) tax or land tax in New Zealand .