Capital Heterogeneity as a Source of Comparative Advantage: Putty-Clay Technology in a Ricardian Model

Capital Heterogeneity as a Source of Comparative Advantage: Putty-Clay Technology in a Ricardian Model
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资本异质性作为比较优势的来源:李嘉图模型中的油灰粘土技术

DOI:
10.1016/j.jinteco.2015.11.004
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发表时间:
2016
影响因子:
3.3
通讯作者:
Hirokazu Ishise
Hirokazu Ishise
中科院分区:
经济学1区
文献类型:
--
作者:
三谷はるよ;川口 純;Ken Victor Leonard Hijino;川口 純;Ken Victor Leonard Hijino;高城宏行;川口 純;川口 純;川口 純;Hirokazu Ishise

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本文探讨了资本货物的异质性如何影响国际贸易格局,并揭示了比较优势的一个新来源:资本货物异质性的大小。资本货物在其年份和生产力方面是异质的,由于能力限制,只有生产性资本货物在均衡中被激活。通过这种选择,资本货物的分配决定了产业层面的生产率:资本货物变化相对较大的产业,产业层面的生产率较高。因此,在一个完全竞争的两国、两种商品、两种因素均衡中,该产业具有里奇蒙比较优势。该模型的一个扩展,其中包括固定贸易成本,描述了一种分类情况,其中最具生产力的生产单位(通常是较新的年份)出口,中等生产力的单位服务于国内市场,生产力最低的单位(旧)不运作。
This paper considers how heterogeneity in capital goods affects international trade patterns, and shows a novel source of comparative advantage: the magnitude of heterogeneity in capital goods. Capital goods are heterogeneous in their vintage and productivity, and due to capacity constraints, only productive capital goods are activated in the equilibrium. Through this selection, the distribution of capital goods determines industry-level productivity: industry-level productivity is higher in an industry with relatively larger variation in capital goods. Hence in a perfectly competitive two-country, two-good, two-factor equilibrium, the industry has Ricardian comparative advantage. An extension of the model, which includes fixed trade cost, describes a sorting situation in which the most productive production units (which are generally newer vintage) export, the moderately productive units serve the domestic market, and the least productive units (older) do not operate.
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