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A Second Look At Managing Import Risk From Invasive Species

机译:再看入侵物种的进口风险管理

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This paper investigates optimal trade-related policies for managing import risk arising from invasive species. We find analytical evidence that when a cleaning technology is available for foreign exporters and the optimal level of import inspections is strictly positive, a penalty imposed on contaminated imports is likely to be superior to a simple tariff policy designed to reduce the overall volume of trade, for low levels of the inspection cost. The first-best policy involves a two-part tariff composed of a penalty levied on contaminated units to internalize the invasive species externality, plus a fee collected on all imported units to cover inspection costs.
机译:本文研究了与贸易有关的最佳政策,以管理由入侵物种引起的进口风险。我们发现分析证据表明,如果外国出口商可以使用清洁技术并且进口检查的最佳水平严格为正,那么对受污染的进口产品施加的罚款可能会优于旨在减少贸易总量的简单关税政策,低水平的检查成本。最好的政策包括两部分的关税,包括对受污染单位征收罚款,以使入侵物种的外部性内部化,以及对所有进口单位收取的费用,以支付检查费用。

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