Which approach leads to the most cost-effective pollution control system?

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Authorities mandate specific pollution reduction levels for each polluter.Zero environmental pollution is allowed under any circumstance.All polluters cut their emissions by the same fixed quantity.Polluters who can reduce emissions at the lowest expense cut back the most.

Explanation

The most efficient pollution control strategy involves those polluters who can lower emissions at the least cost doing the majority of the reduction. This minimizes overall expenses while achieving pollution targets. Simply setting equal reductions or zero pollution is either impractical or costly, and direct regulatory mandates may not optimize costs.