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国际农产品贸易对于维护全球粮食安全起着关键的作用。 一方面, 国际贸易使全球的消费者得以获取多样性的食物(Krivonos 和 Kuhn, 2019), 另一方面, 贸易也可以通过食品分配机制, 充分利...
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the export subsidy, we find that the policy of the specific export subsidy dominates that of ad valorem export subsidy and … ad valorem export tax dominates specific export tax under the case of multi-domestic firms. …
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The aim of this study is to investigate how network effects affect the quality and price decisions of firms in a vertically differentiated market. As network effects increase, high-quality producers tend to raise quality while low-quality producers lower it. The degree of product differentiation...
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