Case Study

Policy Intervention in a Failing Cap-and-Trade System

The government of Veridia implemented a cap-and-trade system to reduce sulfur dioxide emissions from its power plants. A total cap was set, and a corresponding number of permits were distributed. After two years, environmental agencies observe that the market price for a permit has remained consistently low, and actual emissions have barely decreased. The majority of firms find it cheaper to buy permits than to install new filtering technologies. As a policy advisor, you are asked to evaluate two proposed solutions to make the system more effective.

Evaluate the following two proposals aimed at increasing the permit price and incentivizing emission reductions. Which proposal is more likely to achieve the desired outcome, and why? Justify your choice by explaining the mechanism through which it would affect the permit market.

Proposal A: The government will buy back 20% of the initially distributed permits from the market. Proposal B: The government will provide a per-unit subsidy to firms for each permit they purchase.

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Updated 2025-10-06

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