Let's say the government sets up enormous national parks that have sufficient habitat for elephants to thrive and forbids all local people to enter the parks or to injure either the elephants or their habitat in any way.

Explain how the incentives will affect the local villagers, who are often very poor.

How will this approach help the elephant population?

Discuss the practice of poaching elephants and the need for environmental protection?

Explain how the practice of poaching elephants is a negative externality?