Our Level 3 Economics students together with Commerce teacher’s Mr Wakerley and Mr Turner recently took their learning beyond the classroom with a field trip to the Martha Open Pit Gold Mine in Waihi — a valuable opportunity to see economic theory brought to life.
The visit supports their internal assessment, which explores how government intervention can improve outcomes for society. Waihi provides a powerful real-world case study, especially given the mine’s close proximity to the town centre. Students explored how external costs — such as noise, vibration, dust, and impacts on water quality — are managed through strict regulation, including limits on blasting times, air and water quality monitoring, and community consultation.
Students also examined the private costs of operating a mine, including capital equipment, skilled labour, and energy use. They discussed how New Zealand gold mines operate in a global price-taking market, meaning they must accept the international gold price and cannot influence it — making cost control critical to maintaining profitability.
The trip also highlighted the importance of mining in modern life, as gold and other minerals are essential in everything from electronics to clean energy technologies. Students heard from professionals in the field about a wide range of career opportunities in management, geology, environmental science, engineering, and mining operations.
This hands-on experience gave students valuable insights they can now apply in their reports, where they evaluate how government intervention influences outcomes in industries of their choice.
Photos below show students exploring the open pit and hearing from experts on-site.





