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'Distorted gravity: The intensive and extensive margins of international trade' revisited ; an application to an intermediate Melitz model

机译:“扭曲的引力:重新审视了国际贸易的密集和广泛的利润;应用于中间melitz模型

摘要

With the extension of the standard Melitz Model from Ahn et al. [2011], the important role of intermediaries in facilitating trade is now recognized. In this paper, we are going to expand Chaney's [2008] approach to an Intermediate Melitz Model. By researching if Chaney's results still apply for an Intermediate Melitz Model, main results of Chaney are confirmed for the direct export model, but this is not so for the indirect export mode. Here, the elasticity of substitution still dampens the extensive margins; however, whether the dampening effect on the extensive margin still dominates the magnifying effect on the intensive margin is ambiguous. Also, the elasticities of trade ows are no longer larger, but rather smaller than in the Krugman Model. All results are economically meaningful.
机译:随着Ahn等人的标准Melitz模型的扩展。 [2011],现在已经认识到中介机构在促进贸易中的重要作用。在本文中,我们将把Chaney [2008]的方法扩展到中间Melitz模型。通过研究Chaney的结果是否仍然适用于中间Melitz模型,可以确认直接出口模型的Chaney主要结果,但对于间接出口模式则不是这样。在这里,替代的弹性仍然削弱了广泛的利润空间。但是,对宽边距的衰减效果是否仍占对高边距的放大效果尚不明确。而且,贸易流动的弹性不再更大,而是比克鲁格曼模型中的弹性小。所有结果在经济上都是有意义的。

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