Question

1. which are examples of externalities?

pollution
positive effects of vaccination
minimum wage
rent control

Explanation:

Externalities are the spill - over effects of an economic activity on third parties. Pollution is a negative externality as it harms third - party individuals or the environment. The positive effects of vaccination are a positive externality since vaccinated individuals protect non - vaccinated ones from the spread of diseases. Minimum wage and rent control are government policies and not externalities.

Answer:

Pollution, Positive effects of vaccination