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Center for Global Trade AnalysisDepartment of Agricultural Economics, Purdue University403 West State Street, West Lafayette, IN 47907-2056 USA
Global Trade Analysis Project
Stay Connected with GTAP!www.gtap.agecon.purdue.edu
Does the U.S.-China Tariff War Benefit or Hurt the U.S. Economy?
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• A large scale tariff war broke out between the United States and China covering billions worth of goods.
• Stakeholders in the U.S. have divided views on the tariff action.
• There is a possibility that the tariff war may continue to escalate and affecting all products traded between the two countries.
Introduction
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How will the U.S.-China tariff war affect the macro U.S. economy in the short and medium runs?
How will the U.S.-China tariff war affect the U.S. agriculture and manufacturing sectors?
Research Questions
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6 Countries/regions• USA• China (including Hong Kong)• Canada • Mexico • EU(28)• Rest of the world
Methods—Aggregation
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5 Sectors• Agriculture • Manufacturing• Processed good• Extraction • Service
Duration (10 years): 2011-2021
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Methods—Base shock
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Real GDP per capita growth
We also assume year-on-year capital accumulation
Population growth
Workforce growth
Capital growth
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• Assume a 25% tariff was imposed on goods traded between the U.S. and China in 2017 and stayed from 2018 to 2021.
Policy shock 1—tariff war
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shock tms = file PolScen.har header "RTMS";
• Closureyear-on-year capital accumulationswap qe("capital",REG) = capadd(REG);
sloping supply curve for sector-specific factorswap qesf = qesfsupply;
Upward sloping supply curve for sluggish factorswap qe(ENDWS,REG) = qelsupply(ENDWS,REG);
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Difference of Policy vs. base rerun% change of GDP growth (qgdp)
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Difference of Policy vs. base rerunTrade balance (del_tbal)
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Unit: $million USD Unit: $million USD
Year on year U.S. trade balance: difference of policy vs. base rerun
U.S. trade balance: policy vs. base run
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Difference of Policy vs. base rerun% change of investment (qinv)
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Difference of Policy vs. base rerun% change of output (qo)
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Agriculture
Manufacturing
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Difference of Policy vs. base rerun% change of export (qxw)
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Agriculture
Manufacturing
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Difference of Policy vs. base rerun% change of imports (qms)
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Agriculture
Manufacturing
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• Assume a 25% tariff was imposed on goods traded between the U.S. and China in 2017 and ended in 2018.
Policy shock 2—tariff war ended in 1 year
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shock tms = file PolScen2.har header "RTMS";
• Closureyear-on-year capital accumulationswap qe("capital",REG) = capadd(REG);
sloping supply curve for sector-specific factorswap qesf = qesfsupply;
Upward sloping supply curve for sluggish factorswap qe(ENDWS,REG) = qelsupply(ENDWS,REG);
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Macro Results (Baseline vs Policy Shock 2)Year-on-Year
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Macro Results (Baseline vs Policy Shock 2)Year-on-Year
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Macro Results (Differences-Policy v Rerun Shock 2)
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Sector Results (Baseline v Policy Shock 2)Year-on- Year
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Sector Results (Baseline v Policy Shock 2)Year-on- Year
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Sector Results (Baseline v Policy Shock 2)Year-on- Year
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• The U.S.-China tariff war hurts the U.S. economy overall.• The tariff war may create both sectoral winners and losers in
the United States.• The longer the tariff war lasts, the more impacts it will exert
on the United States.
Conclusions and implications
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• The dynamic CGE model may not accurately reflect the short-term impact of the policy change.
• The actual long-term impacts of the U.S.-China tariff war could be even larger than findings of this study because of other factors not captured by the model.
• Future studies can continue to evaluate the impact of the trade war at the more disaggregated sectoral or agent level.
• It may also be interesting to explore the impact of the U.S.-China tariff war on other regions of the world.
Limitations and future research agenda
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