Activity (Process)

Cap-and-Trade Systems for Emission Control

Tradable permit systems, also known as cap-and-trade, can improve environmental outcomes by allowing authorities to set a firm cap on the total amount of pollution. The system's efficiency stems from its market-based mechanism: firms that find it very costly to reduce pollution can purchase permits from firms that can cut back on their emissions more easily and cheaply. This trade ensures that pollution reduction is achieved at the lowest possible overall cost. Furthermore, the market price established for these permits creates a powerful financial incentive for all firms to innovate and adopt cleaner, less polluting technologies.

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Updated 2026-05-02

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