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来源类型 | Discussion paper |
规范类型 | 论文 |
来源ID | DP17466 |
DP17466 Trade Policy and Global Sourcing: An Efficiency Rationale for Tariff Escalation | |
Pol Antras; Agustín Gutiérrez; Felix Tintelnot | |
发表日期 | 2022-07-12 |
出版年 | 2022 |
语种 | 英语 |
摘要 | Import tariffs tend to be higher for final goods than for inputs, a phenomenon commonly referred to as tariff escalation. Yet neoclassical trade theory – and modern Ricardian trade models, in particular – predict that welfare-maximizing tariffs are uniform across sectors. We show that tariff escalation can be rationalized on efficiency grounds in the presence of scale economies. When both downstream and upstream sectors produce under increasing returns to scale, a unilateral tariff in either sector boosts the size and productivity of that sector, raising welfare. While these forces are reinforced up the chain for final-good tariffs, input tariffs may drive final-good producers to relocate abroad, mitigating their potential productivity benefits. The welfare benefits of final-good tariffs thus tend to be larger, with the optimal degree of tariff escalation increasing in the extent of downstream returns to scale. A quantitative evaluation of the US-China trade war demonstrates that any welfare gains from the increase in US tariffs are overwhelmingly driven by final-good tariffs. |
主题 | International Trade and Regional Economics |
关键词 | Tariff escalation Import tariffs Scale economies Trade policy |
URL | https://cepr.org/publications/dp17466 |
来源智库 | Centre for Economic Policy Research (United Kingdom) |
资源类型 | 智库出版物 |
条目标识符 | http://119.78.100.153/handle/2XGU8XDN/546557 |
推荐引用方式 GB/T 7714 | Pol Antras,Agustín Gutiérrez,Felix Tintelnot. DP17466 Trade Policy and Global Sourcing: An Efficiency Rationale for Tariff Escalation. 2022. |
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