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Water in the International Economy

机译:在国际经济中的水

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摘要

Approximately 75% of all water used by humans goes towards food production, much of which is traded internationally. This study presents a model of international agricultural trade that incorporates new data on water use by crop and country. The maininnovation is the linking of a gravity-based trade model back to distributions of water use by country. In one application of the model, changes to irrigation water availability, by country, are traced through to changes in production and trade. Trade isshown to help countries deal with a shock that is too big for one country to handle by itself in isolation. In a second application of the model, trade liberalization in agricultural products is examined for how it would affect production patterns and water usage at the global level. While trade liberalization is unlikely to be 'water saving,' it improves economic welfare among the 23 countries of the sample.
机译:人类使用的所有水的大约75%往往粮食生产,其中大部分都是在国际上交易的。 本研究介绍了国际农业贸易模式,融入了作物和国家的新数据。 Mainnovation是将基于重力的贸易模型与国家用水分布的联系起来。 在该模型的一个应用中,通过国家的灌溉水资源可用性的变化追溯到生产和贸易的变化。 贸易被认为是帮助各国处理一个震惊,这对于一个国家来说是孤立的自己来处理的。 在模型的第二次应用中,检查农产品的贸易自由化是如何影响全球水平的生产模式和水资源。 虽然贸易自由化不太可能“节水”,但它可以提高样本的23个国家之间的经济福利。

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