貿易規制は環境を悪化させる? : クールノー複占競争と環境差別化財市場

概要

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Our purpose is to examine whether trade restrictions damage the environment or not. We suppose that a developed (less developed) country imports a dirtier (cleaner) product made in a (developed) less developed country. Based on an environmentally differentiated Cournot duopoly model, we examine the effect of import quotas on the per-unit emission level of the product, the environment and producer surplus. We show first that import quotas on the dirtier product made in the less developed country may increase environmental damages of the developed country, and second that import quotas on the cleaner product made in the developed country may not only increase environmental damages but also reduce the producer surplus of the less developed country.
関西学院大学の論文