Which of the following does not qualify as a global public good?

Show Answers

High-yield grain varieties developed for agricultureVaccinations for diseases like polio and smallpoxEfforts to eradicate river blindness worldwideExtracting oil resources in the Arctic regionNone of the above

Explanation

Global public goods are benefits that are non-excludable and non-rivalrous on a worldwide scale, such as disease eradication campaigns and agricultural innovations. However, drilling for oil in the Arctic is a private economic activity with restricted access and environmental impacts, thus it is not a global public good.