G2TT
来源类型Discussion paper
规范类型论文
来源IDDP17466
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
URLhttps://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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