题目内容
A cost-effective policy is not necessarily efficient.
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A cost-effective policy is always efficient.
Because polluters have better information about abatement costs than governments, the given information by the govenment causes a cost-ineffective result.
Governments tend to give higher abatement cost than needed causing cost-ineffectiveness.
Individual policy makers tend to give higher abatement cost than needed causing cost-ineffectiveness.
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