The core concept of eco - compensation is internalization of external effect.
生态补偿的核心理念是外部效应的内部化.
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External effect is the key representation of the market failure.
外部性是“市场失灵”的重要表现.
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It was very lack to research external effect of woodland appraisement at the moment.
目前,国内外对林地外部效应评估的研究十分缺乏.
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