Trade fuels modern economies. It’s how nations specialise, innovate, and exchange goods more efficiently.
Over centuries, the reduction of transportation costs and tariffs has been key to driving global commerce, boosting living standards and spurring economic growth.
Yet tariffs, designed to protect domestic industries, pose hidden costs that many overlook. Let’s explore why protectionism often backfires.
What Are Tariffs and Who Really Pays?
At first glance, tariffs seem like a smart way to target foreign competitors and protect local businesses. A tariff is essentially a tax on imported goods, aimed at making foreign products more expensive. But the reality is much more complicated.
- When tariffs raise the cost of imports, businesses relying on foreign goods — whether raw materials or technology — face higher input costs.
- These higher costs are either passed on to consumers in the form of higher prices or absorbed by businesses, leading to reduced profits and potential job cuts.
In either case, efficiency suffers, and economic growth slows down. And don’t forget about the unintended consequences. Tariffs encourage smuggling and illegal trade networks, which undermine the very system they were designed to protect. Even major retailers like Walmart and Target have struggled with suppliers over these added costs, as Reuters reported.
The Fallacy of the “Optimal Tariff Theory”
The optimal tariff theory suggests that tariffs could improve a nation’s trade position by limiting imports. On paper, this might sound appealing: by restricting foreign goods, a country might boost its domestic economy. But this theory rarely plays out as expected.
While tariffs generate some revenue for governments, their economic costs usually outweigh the benefits. The trade volume decreases, creating inefficiencies that stifle innovation and growth. And then, there’s the inevitable retaliation — other countries impose their own tariffs, reducing export opportunities and triggering a vicious cycle of trade wars.
The U.S.-China trade war is a case in point. When President Trump imposed tariffs on China, Canada, and Mexico, those countries retaliated. The result? Higher prices for consumers reduced exports and slowed economic growth. This will not only harm industries but also stifle expansion and innovation.
Source: JP Morgan
The Damaging Cycle of Retaliation
Protectionism isn’t just a short-term inconvenience—it’s long-term damage. History has consistently shown that trade barriers harm economies. Protectionism may seem like it’s helping local industries and jobs but, in the long run, it only protects inefficiency.
Take the automotive industry. Tariffs on steel and aluminium might seem like a good way to protect domestic manufacturers. But they raise production costs across the board, forcing businesses to scale back investments, cut jobs, or increase consumer prices. Countries like China, with their manufacturing advantages, aren’t stopped by tariffs. They can simply shift their focus to new markets.
Source: JP Morgan
Instead of engaging in an unwinnable trade war, the focus should be on competing strategically in the global market, fostering innovation and using diplomacy to create mutually beneficial agreements.
Why the U.S. Often Pays More Than It Should
The U.S. maintains some of the lowest trade barriers in the G20 as indicated by BofA research below, yet often faces higher tariffs and stricter non-tariff barriers—especially from blocs like the EU, which use quotas and regulations to limit competition.
Countries like Argentina, South Korea, India, and the UK rank highest in total trade restrictions. Surprisingly, the U.S. sits near the bottom, with some of the lowest overall trade barriers in the group.
Trump’s tariff policy, while aggressive, was seen by some as an attempt to rebalance a system skewed against the U.S.
Free trade only works when everyone plays by the same rules.
Source: BoFA Global Research
The Case for Free Trade: A Strategy for Growth and Innovation
Lerner’s symmetry theorem (1936) showed that import tariffs harm domestic exporters just as much as foreign producers. Countries relying on protectionism rarely develop competitive industries. Instead, they foster inefficiency and dependence on government intervention.
China’s open-door policy is a prime example of how free trade leads to prosperity. China’s ability to thrive in a competitive, open market is a result of embracing global trade, not closing its doors.
Source: JP Morgan
The evidence is clear: free trade promotes long-term economic growth, lower inflation and cheaper goods. Protectionism might offer short-term political wins but it damages competitiveness, innovation and job creation in the long run.
Conclusion:
Tariffs aren’t just taxes on foreign goods—they’re taxes on economic growth. While politicians may frame them as tools to revitalise domestic industries, the truth is that tariffs rarely deliver the promised benefits. They create inefficiencies, provoke retaliation and ultimately harm both consumers and businesses.
The best path forward is clear: embrace free trade. Open markets, cooperation and strategic competition are the true drivers of prosperity. Closing borders with tariffs may seem like a quick fix but it creates more harm than good. History has shown that when nations engage in free trade, they are far more likely to thrive in the long term.
Awet Ghirmay, Head of Investment Research
If you want to learn more about this topic, please find the link here.
More information about our fund can be found here: Hargreaves Lansdown or AJ Bell
Risk warnings
The value of investments and the income derived from them may fall as well as rise. You may not get back what you invest. This communication is for general information only and is not intended to be individual advice. You are recommended to seek competent professional advice before taking any action. All statements concerning the tax treatment of products and their benefits are based on our understanding of current tax law and HM Revenue and Customs practice. Levels and bases of tax relief are subject to change. This blog is based on my own observations and opinions.
