Concept

Public Policies to Address Externalities

When private solutions are impractical or fail, governments can implement public policies to correct for externalities. These policies are designed to align private costs with social costs and are generally grouped into two main types. The first is command-and-control policies, which directly regulate behavior through rules and limits. The second is market-based policies, which create financial incentives, such as taxes or tradable permits, to encourage decision-makers to solve the problem themselves.

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Updated 2025-08-21

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