Many of the arguments used by both sides in the referendum debate centre on whether there will be a net economic gain from either remaining in or leaving the EU. This involves forecasting.
Forecasting the economic impact of the decision, however, is difficult, especially in the case of a leave vote, which would involve substantial change and uncertainty.
First, the effects of either remaining or leaving may be very different in the long run from the short run, and long-run forecasts are highly unreliable, as the economy is likely to be affected by so many unpredictable events – few people, for example, predicted the financial crisis of 2007–8.
Second, the effects of leaving depend on the nature of any future trading relationships with the EU. Various possibilities have been suggested, including ‘the Norwegian model’, where Britain leaves the EU, but joins the European Economic Area, giving access to the single market, but removing regulation in some key areas, such as fisheries and home affairs. 
Another possibility is ‘the Swiss model’, where the UK would negotiate trade deals on an individual basis. Another would be ‘the Turkish model’ where the UK forms a customs union with the EU. At the extreme, the UK could make a complete break from the EU and simply use its membership of the WTO to make trade agreements.
Nevertheless, despite the uncertainty, economists have ventured to predict the effects of remaining or leaving. These are not precise predictions for the reasons given above. Rather they are based on likely assumptions.
In a poll of 100 economists for the Financial Times, ‘almost three-quarters thought leaving the EU would damage the country’s medium-term outlook, nine times more than the 8 per cent who thought the country would benefit from leaving’. Most fear damage to financial markets in the UK and to inward foreign direct investment.
Despite the barrage of pessimistic forecasts by economists about a British exit, there is a group of eight economists in favour of Brexit. They claim that leaving the EU would lead to a stronger economy, with higher GDP, a faster growth in real wages, lower unemployment and a smaller gap between imports and exports. The main argument they use to support their claims is that the UK would be more able to pursue trade creation freed from various EU rules and regulations.
Then, less than four weeks before the vote, a poll of economists who are members of the Royal Economic Society and the Society of Business Economists came out strongly in favour of continued membership of the EU. Of the 639 respondents, 72 per cent thought that the most likely impact of Brexit on UK real GDP would be negative over the next 10 to 20 years; and 88 per cent thought the impact on GDP would be negative in the next five years (see chart: click to enlarge).
Of those stating that a negative impact on GDP in the next 5 years would be most likely, a majority cited loss of access to the single market (67%) and increased uncertainty leading to reduced investment (66%).
The views of the majority of economists accord with those of various organisations. Domestic ones, such as the Bank of England, the Treasury (see the blog Brexit costs), the Institute for Fiscal Studies and the National Institute for Economic and Social Research (NIESR) all warn that Brexit would be likely to result in lower growth – possibly a recession – increased unemployment, a fall in the exchange rate and higher prices and that greater economic uncertainty would damage investment.
International organisations, such as the OECD, the IMF and the WTO, also argue that leaving the EU would create great uncertainty over future trade relations and access to the Single Market and would reduce inward foreign direct investment and the flow of skills.
But the forecasts of all these organisations depend on their assumptions about trade relations and that, in the event of the UK leaving the EU, would depend on the outcome of trade negotiations. The Leave campaign argues that other countries would want to trade with the UK and that therefore leaving would not damage trade. The Remain campaign argues that the EU would not wish to be generous to the UK for fear of encouraging other countries to leave the EU and that, anyway, the process of decoupling from the EU and negotiating new trade deals would take many years and, in the meantime, the uncertainty would be damaging to investment and growth.
The articles linked below looks at the economic arguments about Brexit and reflect the range of views of economists. Several are from ‘The Conversation’ as these are by academic economists. Although some economists are in favour of Brexit, the vast majority support the Remain side in the debate.
Articles
EU referendum: Pros and cons of Britain voting to leave Europe The Week (4/5/16)
The fatal contradictions in the Remain and Leave camps The Economist (3/6/16)
Four reasons a post-Brexit UK can’t copy Norway or Switzerland The Telegraph, Andrew Sentance (10/6/16)
What will Brexit do to UK trade? Independent, Ben Chu (2/6/16)
Leavers may not like economists but we are right about Brexit Institute for Fiscal Studies, Paul Johnson (9/6/15)
Why Brexit supporters should take an EU-turn – just like I did The Conversation, Wilfred Dolfsma (8/6/16)
The economic case for Brexit The Conversation, Philip B. Whyman (28/4/16)
Fact Check: do the Treasury’s Brexit numbers add up? The Conversation, Nauro Campos (20/4/16)
Which Brexit forecast should you trust the most? An economist explains The Conversation, Nauro Campos (25/4/16)
Why is the academic consensus on the cost of Brexit being ignored? The Conversation, Simon Wren-Lewis (17/5/16)
How Brexit would reduce foreign investment in the UK – and why that matters The Conversation, John Van Reenen (15/4/16)
The consensus on modelling Brexit NIESR, Jack Meaning, Oriol Carreras, Simon Kirby and Rebecca Piggott (23/5/16)
Reports, Press Conferences, etc.
Economists’ forecasts: Brexit would damage growth Financial Times, Chris Giles and Emily Cadman (3/1/16)
The Economy After Brexit, Economists for Brexit
Economists’ Views on Brexit Ipsos MORI (28/5/16)
Inflation Report Bank of England (May 2016)
EU referendum: HM Treasury analysis key facts HM Treasury (18/4/16)
Brexit and the UK’s public finances Institute for Fiscal Studies, Carl Emmerson , Paul Johnson , Ian Mitchell and David Phillips (25/5/16)
The Long and the Short of it: What price UK Exit from the EU? NIESR, Oriol Carreras, Monique Ebell, Simon Kirby, Jack Meaning, Rebecca Piggott and James Warren (12/5/16)
The Economic Consequences of Brexit: A Taxing Decision OECD (27/4/16)
Transcript of the Press Conference on the Release of the April 2016 World Economic Outlook IMF (12/4/16)
Macroeconomic implications of the United Kingdom leaving the Euroepan Union IMF Country Report 16/169 (1/6/16)
WTO warns on tortuous Brexit trade talks Financial Times, Shawn Donnan (25/5/16)
Questions
- Summarise the main economic arguments of the Remain side.
- What assumptions are made by the Remain side about Brexit?
- Summarise the main economic arguments of the Leave side.
- What assumptions are made by the Leave side about Brexit?
- Assess the realism of the assumptions of the two sides.
- If the UK exited the EU, would it be possible to continue gaining the benefits of the single market while restricting the free movement of labour?
- Would it be beneficial to go for a ‘free trade’ option of abolishing all import tariffs if the UK left the EU? Would it mean that UK exports would face no tariffs from other countries?
- If forecasting is unreliable, does this mean that nothing can be said about the costs and benefits of Brexit? Explain.
According to the law of comparative advantage, trade can benefit all countries if they export goods which they can produce at lower opportunity costs than their trading partners. Trade enables all countries to consume beyond their production possibility frontier. What is more, trade can increase competition, which encourages firms to be more efficient.
That trade is beneficial has been generally accepted by governments around the world since the Second World War, with the General Agreement on Tariffs and Trade (GATT) and then the World Trade Organization (WTO) advocating the dismantling of trade barriers. Countries have participated in a series of trade ’rounds’, such as the Uruguay Round (1986–94) and most recently the Doha Round (2001–15). But since the financial crisis of 2008, there has been waning enthusiasm for freer trade and growing calls to protect strategic and/or vulnerable industries. To some extent this mirrors the growth in protection after the Great Depression of the early 1930s as countries sought to boost their own industries.
After some progress in the Doha round talks in Nairobi in December 2015, the talks effectively marked the end of a fourteen-year road for the round (see also). There was a failure to agree on a number of items and chances of resurrecting the talks seem slim.
The classic response to calls for protection is that it can lead to a trade war, with a net loss in global output as less efficient domestic industries are shielded from competition from lower-cost imports. Consumers lose from no longer having access to cheaper imported goods. Trade wars, it is argued, are a negative sum game. Any gains to one country are more than offset by losses elsewhere. In fact, it is likely that all countries will lose.
One argument for protection recognises the efficiency gains from free trade, but argues that current trade is distorted. For example, countries may subsidise the export of products in which they have a comparative disadvantage and dump them on the rest of the world. The WTO recognises this as a legitimate argument for tariffs, if they are used to offset the effect of the subsidies and make import prices more reflective of the cost of production.
But increasingly arguments go beyond this. Industries that are regarded as strategic to a country’s future, such as the steel industry or agriculture, are seen as warranting protection. With protection, investment may flow to such industries, making them more efficient and even gaining a comparative advantage at some point in the future.
Then there is the question of income distribution. Trade with poor countries may help to close the gap somewhat between rich and poor countries. The reason is that poor countries, with an abundance of labour, are likely to have a comparative advantage in labour-intensive products. The demand for exports of such products will help to drive up wages in such countries. However, income distribution within the rich countries may become less equal. Cheap imports from developing countries may depress the wages of unskilled or low-skilled workers in the rich countries.
Another argument concerns the devastation caused to communities by the closure of plants which are major employers. Workers made redundant may find it hard to find alternative employment, especially if their skills are specific to the plant that has closed. At least in the short term, it is argued that such industries warrant protection to allow time for alternative employers to be attracted into the area.
Arguments such as these are being used today in many countries as they struggle with slowing growth in China, a glut of global resources and overcapacity in certain industries.
The steel industry is a case in point. The announcement by Tata Steel that it intends to close the Port Talbot steel works has been met with consternation and calls for protection against subsidised Chinese steel imports. The USA already imposes tariffs of 256% on corrosion-resistant Chinese steel. The EU has proposed raising tariffs on Chinese steel to the full amount of the subsidy, but the UK has blocked this, not wishing to trigger a trade war with China. In the meantime, China has announced the imposition of a tariff of 46% on a particular type of hi-tech steel imported from the EU.
On the other side of the Atlantic, there have been growing protectionist calls from presidential front runners. Donald Trump and Ted Cruz on the Republican side, and Bernie Sanders and now Hilary Clinton on the Democratic side, are opposed to the trade agreement that President Obama has been seeking with the EU – the Transatlantic Trade and Investment Partnership (TTIP). Donald Trump has proposed imposing tariffs of 45% on all Chinese imports.
The following articles look at the growing calls for protection, especially against China, and at the arguments about what should be done to protect the UK and EU steel industry.
Articles
Defiant China slaps steel tariffs on Britain as trade war looms The Telegraph, Ambrose Evans-Pritchard (1/4/16)
China’s soaring steel exports may presage a trade war, The Economist (9/12/15)
Trade, at what price? The Economist (30/3/16)
Free trade in America: Open argument The Economist (2/4/16)
Can the British steel industry be saved? Financial Times (2/4/16)
Steel crisis: UK government plays down China tariff fears BBC News (2/4/16)
The dogmas destroying UK steel also inhibit future economic growth The Observer, WIll Hutton (3/4/16)
UK accused of leading efforts to block limits to Chinese steel dumping The Guardian, Frances Perraudin (1/4/16)
There’s always an excuse to justify suspending free trade – Tata is the latest The Telegraph, Allister Heath (1/4/16)
Can one of the world’s top economies live without making steel? Bloomberg, Thomas Biesheuvel (1/4/16)
Trade policy is no longer just for political nerds: it matters in the UK and US The Guardian, Larry Elliott (27/3/16)
Steel shrivels while Britain’s balance of payments crisis grows The Observer, WIlliam Keegan (3/4/16)
Trump’s tariff plan could boomerang, spark trade wars with China, Mexico Reuters, David Lawder and Roberta Rampton (24/3/16)
Analysis: A Trump trade war could cost the U.S. millions of jobs Daily Herald (Chicago), Jim Tankersley (3/4/16)
Questions
- What is meant by the ‘law of comparative advantage’? Does the law imply that countries will always gain from totally free trade?
- Demonstrate the gains for each of two countries which choose to trade with each other (see, for example, pages 711–3 in Economics, 9th edition).
- What is meant by ‘strategic trade theory’? How would such theory relate to the case of steel production in south Wales?
- What are the arguments for and against the EU imposing tariffs on Chinese steel imports equal to the subsidy given by the Chinese government?
- Is protectionism always a negative sum game? Explain.
- Assess the validity of various arguments for protection.
- Why did it prove impossible to complete the Doha round?
- What is meant by the ‘Transatlantic Trade and Investment Partnership (TTIP)’? Why is there so much opposition to it?
- Are bilateral trade deals, such as the TTIP, the best way of moving forward in reaping the gains from freer trade?
Are emerging markets about to experience a credit crunch? Slowing growth in China and other emerging market economies (EMEs) does not bode well. Nor does the prospect of rising interest rates in the USA and the resulting increase in the costs of servicing the high levels of dollar-denominated debt in many such countries.
According to the Bank for International Settlements (BIS) (see also), the stock of dollar-denominated debt in emerging market economies has doubled since 2009 and this makes them vulnerable to tighter US monetary policy.
Weaker financial market conditions combined with an increased sensitivity to US rates may heighten the risk of negative spillovers to EMEs when US policy is normalised. …
Despite low interest rates, rising debt levels have pushed debt service ratios for households and firms above their long-run averages, particularly since 2013, signalling increased risks of financial crises in EMEs.
But there is another perspective. Many emerging economies are pursuing looser monetary policy and this, combined with tighter US monetary policy, is causing their exchange rates against the dollar to depreciate, thereby increasing their export competitiveness. At the same time, more rapid growth in the USA and some EU countries, should also help to stimulate demand for their exports.
Also, in recent years there has been a large growth in trade between emerging economies – so-called ‘South–South trade’. Exports from developing countries to other developing countries has grown from 38% of developing countries’ exports in 1995 to over 52% in 2015. With technological catch-up taking place in many of these economies and with lower labour and land costs, their prospects look bright for economic growth over the longer term.
These two different perspectives are taken in the following two articles from the Telegraph. The first looks at the BIS’s analysis of growing debt and the possibility of a credit crunch. The second, while acknowledging the current weakness of many emerging economies, looks at the prospects for improving growth over the coming years.
Articles
‘Uneasy’ market calm masks debt timebomb, BIS warns The Telegraph, Szu Ping Chan (6/12/15)
Why emerging markets will rise from gloom to boom The Telegraph, Liam Halligan (5/12/15)
Questions
- How does an improving US economy impact on emerging market economies?
- Will the impact of US monetary policy on exchange rates be adverse or advantageous for emerging market economies?
- What forms does dollar-denominated debt take in emerging economies?
- Why has south–south trade grown in recent years? Is it consistent with the law of comparative advantage?
- Why is growth likely to be higher in emerging economies than in developed economies in the coming years?
First the IMF in its World Economic Outlook, then the European Commission in its Economic Forecasts (see also) and now the OECD in its Economic Outlook (see also) – all three organisations in the latest issues of their 6-monthly publications are predicting slower global economic growth than they did 6 months previously. This applies both to the current year and to 2016. The OECD’s forecast for global growth this year is now 2.9%, down from the 3.7% it was forecasting a year ago. Its latest growth forecast for 2016 is 3.3%, down from the 3.9% it was forecasting a year ago.
Various reasons are given for the gloomier outlook. These include: a dramatic slowdown in global trade growth; slowing economic growth in China and fears over structural weaknesses in China; falling commodity prices (linked to slowing demand but also as a result of increased supply); austerity policies as governments attempt to deal with the hangover of debt from the financial crisis of 2007/8; low investment leading to low rates of productivity growth despite technological progress; and general fears about low growth leading to low spending as people become more cautious about their future incomes.
The slowdown in trade growth (forecast to be just 2% in 2015) is perhaps the most worrying for future global growth. As Angel Gurría, OECD Secretary-General, states in his remarks at the launch of the latest OECD Economic Outlook:
‘Global trade, which was already growing slowly over the past few years, appears to have stagnated and even declined since late 2014, with the weakness centering increasingly on emerging markets, particularly China. This is deeply concerning as robust trade and global growth go hand in hand. In 2015 global trade is expected to grow by a disappointing 2%. Over the past five decades there have been only five other years in which trade growth has been 2% or less, all of which coincided with a marked downturn of global growth.’
So what policies should governments pursue to stimulate economic growth? According to Angel Gurría:
‘Short-term demand needs to be supported and structural reforms to be pursued with greater ambition than is currently the case. Three specific actions are key:
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First, we need to resist and turn back rising protectionism. Trade strengthens competition and investment and revs up the “diffusion machine” – the spread of new technologies throughout the economy – which will ultimately lift productivity. |
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Second, we need to step up structural reform efforts, which have weakened in recent years. And here, I mean the whole range of structural reforms – education, innovation, competition, labour and product market regulation, R&D, taxes, etc. |
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Third, there is scope to adjust public spending towards investment. If done collectively by all countries, if the sector and projects chosen have high multipliers, and if combined with serious structural reforms, stronger public investment can give a boost to growth and employment and not increase the relative debt burden.’ |
On this third point, the OECD Economic Outlook argues that ‘the rationale for such investments is that they could help to push economies onto a higher growth path than might otherwise be the case, at a time when private investment growth remains modest.’
‘Collective action to increase public investment can be expected to boost the initial domestic multiplier effects from the stimulus, since private investment and exports in each economy will benefit from stronger demand in other economies. …the multiplier effects from an investment-led stimulus are likely to be a little larger than from other forms of fiscal stimulus, since the former also has small, but positive, supply-side effects.
In other words, the OECD is calling for a relaxation of austerity policies, with public investment being used to provide a stimulus to growth. The higher growth will then lead to increased potential output, as well as actual output, and an increase in tax revenues.
These policy recommendations are very much in line with those of the IMF.
Videos and Webcasts
OECD warns of global trade slowdown, trims growth outlook again Reuters (9/11/15)
OECD returns to revisionism with growth downgrade Euronews, Robert Hackwill (9/11/15)
OECD: Weak China Import Growth Leads Trade Slowdown Bloomberg, Catherine L Mann, OECD Chief Economist (9/11/15)
OECD Economic Outlook: Moving forward in difficult times OECD PowerPoint presentation, Catherine L Mann, OECD Chief Economist (9/11/15)
Press Conference OECD, Angel Gurría and Álvaro Pereira (9/11/15)
Articles
OECD cuts world growth forecast Financial Times, Ferdinando Giugliano (9/11/15)
OECD rings alarm bell over threat of global growth recession thanks to China slowdown Independent, Ben Chu (10/11/15)
OECD cuts global growth forecasts amid ‘deep concern’ over slowdown BBC News (9/11/15)
OECD fears slowdown in global trade amid China woes The Guardian, Katie Allen (9/11/15)
The global economy is slowing down. But is it recession – or protectionism? The Observer, Heather Stewart and Fergus Ryan (14/11/15)
Global growth is struggling, but it is not all bad news The Telegraph, Andrew Sentance (13/11/15)
OECD Publications
Economic Outlook Annex Tables OCED (9/11/15)
Press Release: Emerging market slowdown and drop in trade clouding global outlook OCED (9/11/15)
Data handout for press OECD (9/11/15)
OECD Economic Outlook, Chapter 3: Lifting Investment for Higher Sustainable Growth OCED (9/11/15)
OECD Economic Outlook: Full Report OECD (9/11/15)
Questions
- Is a slowdown in international trade a cause of slower economic growth or simply an indicator of slower economic growth? Examine the causal connections between trade and growth.
- How worried should we be about disappointing growth in the global economy?
- What determines the size of the multiplier effects of an increase in public investment?
- Why are the multiplier effects of an increase in public-sector investment likely to be larger in the USA and Japan than in the UK, the eurozone and Canada?
- How can monetary policy be supportive of fiscal policy to stimulate economic growth?
- Under what circumstances would public-sector investment (a) stimulate and (b) crowd out private-sector investment?
- How would a Keynesian economist respond to the recommendations of the OECD?
- How would a neoclassical/neoliberal economist respond to the recommendations?
- Are the OECD’s recommendations in line with the Japanese government’s ‘three arrows‘?
- What structural reforms are recommended by the OECD? Are these ‘market orientated’ or ‘interventionist’ reforms, or both? Explain.
A deal has just been signed between 26 African nations to form a new free trade area, the Tripartite Free Trade Area (TFTA). The countries have a population of 625 million (56% of Africa’s total) and a GDP of $1.6 trillion (63% of Africa’s total). The deal effectively combines three existing free trade areas: the Common Market for Eastern and Southern Africa, the Southern African Development Community and the East African Community.
Although the deal has been signed by the nations’ leaders, it still needs parliamentary approval from each of the countries. It is hoped that this will be achieved by 2017. If it is, it will mark a major step forward in encouraging intra-African trade.
The deal will involve the removal of trade barriers on most goods and lead to a reduction in overall tariffs by more than 50%. The expectation of the leaders is that this will generate $1 trillion worth of economic activity across the 26 countries through a process of trade creation, investment, increased competition and the encouragement of infrastructure development. 
But given the current poor state of infrastructure and the lack of manufacturing capacity in many of the countries, the agreement will also encourage co-operation to promote co-ordinated industrial and infrastructure development.
Up to now, the development of intra-African trade has been relatively slow because of poor road and rail networks and a high average protection rate – 8.7% on exports to other African countries compared with 2.5% on exports to non-African countries. As a result, intra-African trade currently accounts for just 12% of total African trade. It is hoped that the development of TFTA will result in this rising to over 30%.
Much of the gains will come from economies of scale. As Kenyan academic Calestous Juma says:
“By having larger markets, it signals the possibility of being able to manufacture products at a scale that is cost-effective. For example, where you need large-scale investments like $200m to create a pharmaceutical factory, you couldn’t do that if you were only selling the products in one country.”
The question is whether the agreement signed on the 10 June will lead to the member countries fully taking advantage of the opportunities for trade creation. Agreeing on a deal is one thing; having genuinely free trade and investing in infrastructure and new efficient industries is another.
Videos and audio
African leaders ink trade deal Deutsche Welle (11/6/15)
African leaders sign pact to create ‘Cape to Cairo’ free trade bloc euronews (10/6/15)
Africa Free Trade Analysis BBC Africa, Calestous Juma (9/6/15)
Articles
African Leaders To Sign Free Trade Agreement To Create Common Market International Business Times, Aditya Tejas (10.6.15)
EAC, COMESA and SADC Blocs Ink ‘Historic’ Trade Deal allAfrica, James Karuhanga (11/6/15)
Tripartite Free Trade Area an Opportunity Not a Threat allAfrica, Sindiso Ngwenya (9/6/15)
Africa a step closer to free trade area Business Report (South Africa), Rob Davies (11/6/15)
The Cape to Cairo trade ‘super bloc’ is here; 15 surprising – and shocking – facts on trade within Africa Mail & Guardian (Kenya), Christine Mungai (8/6/15)
The tripartite free trade area agreement in Africa is bound to disappoint Quartz Africa, Hilary Matfess (10/6/15)
Africa creates TFTA – Cape to Cairo free-trade zone BBC News Africa (10/6/15)
Will the Cape to Cairo free-trade zone work? BBC News Africa, Lerato Mbele (10/6/15)
African free trade still some way off BBC News, Matthew Davies (10/6/15)
Zambia not to benefit from Africa’s TFTA Medafrica, Geraldine Boechat (10/6/15)
Questions
- Distinguish between a free trade area, a customs union and a common market.
- What does the law of comparative advantage imply about the gains from forming a free trade area?
- Distinguish between trade creation and trade diversion.
- Why is it likely that there will be considerable trade creation from TFTA? Would there be any trade diversion?
- Why are small countries with a relatively low level of economic development likely to experience more trade creation than larger, richer ones?
- What barriers might remain in trade between the TFTA countries?
- Why might smaller, less developed members of TFTA be worried about the removal of trade barriers?
- Why might concentrating on developing local capacity, rather than just lowering tariffs, be a more effective way of developing intra-African trade
- What ‘informal’ barriers to trade exist in many African countries?
- Why is it that ‘Ordinary Africans are most probably not holding their breath’ about the gains from TFTA?
But the forecasts of all these organisations depend on their assumptions about trade relations and that, in the event of the UK leaving the EU, would depend on the outcome of trade negotiations. The Leave campaign argues that other countries would want to trade with the UK and that therefore leaving would not damage trade. The Remain campaign argues that the EU would not wish to be generous to the UK for fear of encouraging other countries to leave the EU and that, anyway, the process of decoupling from the EU and negotiating new trade deals would take many years and, in the meantime, the uncertainty would be damaging to investment and growth.
