Over the decades, economies have become increasingly interdependent. This process of globalisation has involved a growth in international trade, the spread of technology, integrated financial markets and international migration.
When the global economy is growing, globalisation spreads the benefits around the world. However, when there are economic problems in one part of the world, this can spread like a contagion to other parts. This was clearly illustrated by the credit crunch of 2007–8. A crisis that started in the sub-prime market in the USA soon snowballed into a worldwide recession. More recently, the impact of Covid-19 on international supply chains has highlighted the dangers of relying on a highly globalised system of production and distribution. And more recently still, the war in Ukraine has shown the dangers of food and fuel dependency, with rapid rises in prices of basic essentials having a disproportionate effect on low-income countries and people on low incomes in richer countries.
Moves towards autarky
So is the answer for countries to become more self-sufficient – to adopt a policy of greater autarky? Several countries have moved in this direction. The USA under President Trump pursued a much more protectionist agenda than his predecessors. The UK, although seeking new post-Brexit trade relationships, has seen a reduction in trade as new barriers with the EU have reduced UK exports and imports as a percentage of GDP. 
According to the Office for Budget Responsibility’s November 2022 Economic and Fiscal Outlook, Brexit will result in the UK’s trade intensity being 15 per cent lower in the long run than if it had remained in the EU.
Many European countries are seeking to achieve greater energy self-sufficiency, both as a means of reducing reliance on Russian oil and gas, but also in pursuit of a green agenda, where a greater proportion of energy is generated from renewables. More generally, countries and companies are considering how to reduce the risks of relying on complex international supply chains.
Limits to the gains from trade
The gains from international trade stem partly from the law of comparative advantage, which states that greater levels of production can be achieved by countries specialising in and exporting those goods that can be produced at a lower opportunity cost and importing those in which they have a comparative disadvantage. Trade can also lead to the transfer of technology and a downward pressure on costs and prices through greater competition.
But trade can increase dependence on unreliable supply sources. For example, at present, some companies are seeking to reduce their reliance on Taiwanese parts, given worries about possible Chinese actions against Taiwan.
Also, governments have been increasingly willing to support domestic industries with various non-tariff barriers to imports, especially since the 2007–8 financial crisis. Such measures include subsidies, favouring domestic firms in awarding government contracts and using regulations to restrict imports. These protectionist measures are often justified in terms of achieving security of supply. The arguments apply particularly starkly in the case of food. In the light of large price increases in the wake of the Ukraine war, many countries are considering how to increase food self-sufficiency, despite it being more costly.
Also, trade in goods involves negative environmental externalities, as freight transport, whether by sea, air or land, involves emissions and can add to global warming. In 2021, shipping emitted over 830m tonnes of CO2, which represents some 3% of world total CO2 emissions. In 2019 (pre-pandemic), the figure was 800m tonnes. The closer geographically the trading partner, the lower these environmental costs are likely to be.
The problems with a globally interdependent world have led to world trade growing more slowly than world GDP in recent years after decades of trade growth considerably outstripping GDP growth. Trade (imports plus exports) as a percentage of GDP peaked at just over 60% in 2008. In 2019 and 2021 it was just over 56%. This is illustrated in the chart (click here for a PowerPoint). Although trade as a percentage of GDP rose slightly from 2020 to 2021 as economies recovered from the pandemic, it is expected to have fallen back again in 2022 and possibly further in 2023.
But despite this reduction in trade as a percentage of GDP, with de-globalisation likely to continue for some time, the world remains much more interdependent than in the more distant past (as the chart shows). Greater autarky may be seen as desirable by many countries as a response to the greater economic and political risks of the current world, but greater autarky is a long way from complete self-sufficiency. The world is likely to remain highly interdependent for the foreseeable future. Reports of the ‘death of globalisation’ are premature!
Podcasts
Articles
Report
Questions
- Explain the law of comparative advantage and demonstrate how trade between two countries can lead to both countries gaining.
- What are the main economic problems arising from globalisation?
- Is the answer to the problems of globalisation to move towards greater autarky?
- Would the expansion/further integration of trading blocs be a means of exploiting the benefits of globalisation while reducing the risks?
- Is the role of the US dollar likely to decline over time and, if so, why?
- Summarise Karl Polanyi’s arguments in The Great Transformation (see the Daniel W. Drezner article linked below). How well do they apply to the current world situation?
Donald Trump has threatened to pull out of the World Trade Organization. ‘If they don’t shape up, I would withdraw from the WTO,’ he said. He argues that the USA is being treated very badly by the WTO and that the organisation needs to ‘change its ways’.
Historically, the USA has done relatively well compared with other countries in trade disputes brought to the WTO. However, President Trump does not like being bound by an international organisation which prohibits the unilateral imposition of tariffs that are not in direct retaliation against a trade violation by other countries. Such tariffs have been imposed by the Trump administration on steel and aluminium imports. This has led to retaliatory tariffs on US imports by the EU, China and Canada – something that is permitted under WTO rules.
Whether or not the USA does withdraw from the WTO, Trump’s threats bring into question the power of the WTO and other countries’ compliance with WTO rules. With the rise in protectionist sentiments around the world, the power of the WTO would seem to be on the wane.
Even if the USA does not withdraw from the WTO, it is succeeding in weakening the organisation. Appeals cases have to be heard by an ‘appellate body’, consisting of at least three judges drawn from a list of seven, each elected for four years. But the USA has the power to block new appointees – and has done so. As Larry Elliott states in the first article below:
The list of judges is already down to four and will be down to the minimum of three when the Mauritian member, Shree Baboo Chekitan Servansing, retires at the end of September. Two more members will go by the end of next year, at which point the appeals process will come to a halt.
This raises the question of the implication of a ‘no-deal’ Brexit – something that seems more likely as the UK struggles to reach a trade agreement with the EU. Leaving without a deal would mean ‘reverting to WTO rules’. But if these rules are being ignored by powerful countries such as the USA and possibly China, and if the appeals procedure has ground to a halt, this could leave the UK without the safety net of international trade rules. Outside the EU – the world’s most powerful trade bloc – the UK could find itself having to accept poor trade terms with the USA and other large countries.
Articles
Information
Questions
- Explain the WTO’s ‘Most-favoured-nation (MFN)’ clause. How would this affect trade deals between the UK and the EU?
- Would the trade deals that the EU has negotiated with other countries, such as Japan, be available to the UK after leaving the EU?
- Demonstrate how, according to the law of comparative advantage, all countries can gain from trade.
- In what ways is the USA likely to gain and lose from the imposition of tariffs on steel and aluminium?
- How could a country that supports free trade ever support the imposition of tariffs?
- Why are tariffs not the most serious restriction on trade?
Since running for election, Donald Trump has vowed to ‘put America first’. One of the economic policies he has advocated for achieving this objective is the imposition of tariffs on imports which, according to him, unfairly threaten American jobs. On March 8 2018, he signed orders to impose new tariffs on metal imports. These would be 25% on steel and 10% on aluminium.
His hope is that, by cutting back on imports of steel and aluminium, the tariffs could protect the domestic industries which are facing stiff competition from the EU, South Korea, Brazil, Japan and China. They are also facing competition from Canada and Mexico, but these would probably be exempt provided negotiations on the revision of NAFTA rules goes favourably for the USA.
Assuming there were no retaliation from other countries, jobs would be gained in the steel and aluminium industries. According to a report by The Trade Partnership (see link below), the tariffs would increase employment in these industries by around 33 000. However, the higher price of these metals would cause job losses in the industries using them. In fact, according to the report, more than five jobs would be lost for every one gained. The CNN Money article linked below gives example of the US industries that will be hit.
But the costs are likely to be much greater than this. Accorinding to the law of comparative advantage, trade is a positive-sum game, with a net gain to all parties engaged in trade. Unless trade restrictions are used to address a specific market distortion in the trade process itself, restricting trade will lead to a net loss in overall benefit to the parties involved.
Clearly there will be loss to steel and aluminium exporters outside the USA. There will also be a net loss to their countries unless these metals had a higher cost of production than in the USA, but were subsidised by governments so that they could be exported profitably.
But perhaps the biggest cost will arise from possible retaliation by other countries. A trade war would compound the net losses as the world moves further from trade based on comparative advantage.
Already, many countries are talking about retaliation. For example, the EU is considering a ‘reciprocal’ tariff of 25% on cranberries, bourbon and Harley-Davidsons, all produced in politically sensitive US states (see the first The Economist article below). ‘As Jean-Claude Juncker, president of the European Commission, puts it, “We can also do stupid”.’ In fact, this is quite a politically astute move to put pressure on Mr Trump.
But cannot countries appeal to the WTO? Possibly, but this route might take some time. What is more, the USA has attempted to get around WTO rules by justifying the tariffs on ‘national security’ grounds – something allowed under Article XXI of WTO rules, provided it can be justified. This could possibly deter countries from retaliating, but it is probably unlikely. In the current climate, there seems to be a growing mood for flouting, or at least loosely interpreting, WTO rules.
Articles
- Trump Authorizes Tariffs, Defying Allies at Home and Abroad
The New York Times, Peter Baker and Ana Swanson (8/3/18)
- Trump has been playing right into China’s hands
The Washington Post, Catherine Rampell (8/3/18)
- These American companies could be hurt by Trump’s tariffs
CNN Money, Julia Horowitz (8/3/18)
- Donald Trump signs order for metals tariff plan, prompting fears of trade war
The Guardian, Dominic Rushe (8/3/18)
- Trump’s Trade Wars, China Inc’.s Globalization Plan And The CPTPP — What’s Next?
Forbes, Alex Capri (8/3/18)
- A tariffically bad idea: The looming global trade war
The Economist (8/3/18)
- The threat to world trade: The rules-based system is in grave danger
The Economist (8/3/18)
- America’s allies will bear the brunt of Trump’s trade protectionism
The Conversation, Remy Davison (2/3/18)
- The war over steel: Trump tips global trade into new turmoil
The Observer, Phillip Inman (10/3/18)
Report
Questions
- Explain how, by countries specialising in goods in which they have a comparative advantage, all countries can gain.
- Can tariffs or other trade restrictions ever be justified? Explain.
- Is there any economic justification for the US tariffs of 25% on steel and 10% on aluminium?
- Can putting tariffs on US imports be justified by countries whose steel and/or aluminium industires are faced with US tariffs?
- Can trade wars be won? Explain.
President-elect Donald Trump has blamed free trade for much of America’s economic problems. He argues that cheap imports from China, partly from an undervalued yuan, have led to a loss of jobs and to large-scale income flows from the USA to China. “They have taken our jobs; they have taken our money; and on top of that they have loaned the money to us and we actually pay them interest now on money,” he claimed to The Economist.
And it’s not just trade with China that he criticises. He sees cheap imports from developing countries generally as undermining US jobs. The solution he advocates is the imposition of tariffs on imports that threaten US jobs and scrapping, or fundamentally renegotiating, trade deals.
He refers to NAFTA – the North American Free Trade Agreement with Canada and Mexico – as the worst trade deal in US history and blames it for the loss of thousands of US manufacturing jobs. He has said that he will demand better terms from Mexico and Canada. If they don’t agree to them, he’d pull the USA out of NAFTA altogether.
A more recent trade agreement is the Trans-Pacific Partnership (TPP) with 11 other Pacific rim countries (but not including China). The agreement was signed on 4 February 2016, but is awaiting ratification from member countries. Amongst other things, the agreement cuts over 18,000 tariffs. Donald Trump has said that he would block the deal, even though it would lead to the elimination of tariffs on most US manufactured and agricultural products exported to the other countries. He argues that it would lead to a large-scale loss of US jobs from cheap imports.
Another major trade deal criticised by Trump is that being negotiated between the USA and the EU – the Transatlantic Trade and Investment Partnership (TTIP). It has already faced fierce opposition in Europe, with many fearing that it would give too much power to US corporations in their operations in Europe. With the opposition from Trump, it looks unlikely that the agreement will be signed, even in an amended form.
So is this more protectionist stance by Donald Trump in America’s interests? The main argument against restricting imports is that people generally in the USA would be poorer. This is the prediction from the law of comparative advantage. Trade allows a country to consume beyond its production possibility curve by specialising in the production of goods with relatively low opportunity costs and importing goods which would have had a higher opportunity cost if they were produced domestically (see, for example, Economics, 9th edition, pages 711–4). By imposing tariffs or other restrictions on cheap imports, consumers would end up paying more for such goods if they now have to be produced domestically. Cheap Chinese t-shirts would be replaced by expensive US ones. Real US incomes would be lower.
Another danger of pursuing protectionist policies is that other countries might retaliate. Trade wars might result, with the world ending up poorer.
Then there is a problem of locating products. It is not a simple question of saying a product is made in the USA or elsewhere. With complex modern supply chains, many products use components and services, such as design and logistics, from many different countries. Imposing restrictions on imports may lead to damage to products which are seen as US products.
An open trade policy, by contrast, not only leads to higher consumption, it stimulates economic growth and the extra competition it creates improves domestic productivity. As the pro-free trade article by Graeme Leach, linked below, argues:
There is overwhelming evidence that free trade improves economic performance by increasing competition in the domestic market. Trade disciplines domestic firms with market power, and simultaneously promotes productivity growth. Research also shows that a 10 per cent increase in trade leads to a 5 per cent increase in per capita income. More open trade policies are associated with higher per capita incomes.
And as the article by Clark Packard argues:
There is no question that America’s middle and lower classes have benefited from our trade liberalization. Through the widely accepted principle of comparative advantage in our trade policies, productivity has surged and prices have declined. Lower prices save the average American family thousands of dollars a year on goods they consume, raising the standard of living through enhanced purchasing power.
Despite these arguments, there is one crucial problem with free trade. Although overall levels of consumption may be higher, trade may make some people poorer. If workers in the US steel or garment industries lose their jobs because of cheap imports, they will certainly feel worse off, especially if there is no prospect of them getting another job elsewhere. They may lack transferable skills or have too many family or personal ties to move elsewhere in the country.
The government could help to ameliorate the problems of those made unemployed by providing retraining or resettlement grants or by investing in infrastructure projects that require relatively low skilled, but local, construction workers. But, as the Forbes article states:
It is in helping displaced workers of all types that US government, as well as the leaders of other rich countries, have largely failed. Little has been done to assist laid-off workers whose industries simply cannot compete in developed countries anymore.
What is more, inequality has been growing in the USA, and in most other developed countries too. 
International trade and investment and the growing concentration of power in large corporations has meant that most of the gains from trade have gone to the richest people. Many of the poor blame trade for their plight and the argument that they have still made some gains is either not believed or is not enough to appease them.
An interesting insight into why people may have voted for Trump and his policy of protectionism is provided by the Ultimatum Game (see also). As the final article below explains:
The game itself involves two players. The first player receives a sum of money, and gets to propose how to divide it between the two players. The second player can do only one thing: accept or reject the proposal. If the second player accepts, then the money is divided between the two players as proposed. But if the second player rejects the proposal, then neither player gets anything.
It might seem that the rational thing for the second person to do is to accept whatever the first person proposes, however little it gives to the second person providing it is something – after all, even a little is better than nothing. But experiments show that people playing the second person do not behave in that way. They seek a fair distribution. If the proposed distribution is perceived as unfair, they would prefer to reject the proposal, with both players getting nothing.
This may help to explain the psychology of poor blue-collar workers. They would rather punish the rich a lot, and possibly themselves a little, than let the rich continue getting richer while they are stuck on low wages with little prospect for improvement. But, of course, they may also believe Trump’s rhetoric that they will indeed be better off from protectionist policies that help save their jobs.
What precisely Donald Trump will do about trade agreements and protection, we will have to wait and see. Often what is pledged in an election campaign is not carried out in office or is substantially watered down.
Articles
How Donald Trump thinks about trade The Economist (9/11/16)
What President Trump’s victory means for the most important trade deal in the world Independent, James Moore (9/11/16)
Trump and trade: A radical agenda? BBC News, Ben Morris (9/11/16)
Trump could change trade stance, says former Bush adviser BBC News, Tom Espiner (11/11/16)
3 Ways President-Elect Trump May Shake Up Trade Policy NPR, Marilyn Geewax (9/11/16)
Donald Trump Win to Upend Trade Policy Nasdaq, William Mauldin and John Lyons (9/11/16)
Stiglitz Grades Donald Trump an F on Economics Bloomberg, Enda Curran and Angie Lau (19/9/16)
Trump can kill trade deals but he can’t kill globalisation The Conversation, Remy Davison (10/11/16)
Anti-free trader Donald Trump is on a collision course with economic reality City A.M., Graeme Leach (9/11/16)
What Trump And Clinton Both Get Wrong On Trade Forbes, Simon Constable (4/11/16)
The Rabble Understands Trade Pretty Well Huffington Post, Brad Miller (4/11/16)
Contrary to Donald Trump’s claims, free trade benefits the poorest Americans U.S.News, Clark Packard (27/10/16)
The Meaning of Open Trade and Open Borders The New Yorker, Bernard Avishai (17/10/16)
We just saw what voters do when they feel screwed. Here’s the economic theory of why they do it. Quartz, James Allworth (9/11/16)
Questions
- Use a simple two-product production possibility diagram to demonstrate the possible consumption gains to a country from trading with another country and specialising in exporting the good in which it has a comparative advantage.
- Search Donald Trump’s speeches to identify statements he has made about the trade policies he will pursue as president.
- Explain why some people may gain more from free trade than others. Why do the people who have gained the most tend to be the richest people?
- What are the arguments for and against the free movement of labour (a) within countries; (b) between countries?
- Compare the relative benefits and costs of tariffs and various forms of administrative constraints on trade.
- If the second player in the ultimatum game rejects an ‘unfair’ offer, should this behaviour be described as ‘irrational? Explain.
- Find out the details of the Trans-Pacific Partnership agreement. In what ways, other than through increased trade, would the agreement benefit the residents of the member countries?
- Does free trade threaten employment in the long term? Explain.
The New Age of Autarky? (A series of three podcasts)
