Results

Journal article

Journal of Environmental Economics and Management:

Trade and the scopes of pollution: evidence from China?s world market integration

Although the environmental impact of trade has been a long-standing concern, there is still scant evidence on the channels through which international market access affects pollution. We exploit the unique episode of Chi...Read more...

Blog

VoxTalks:

Tariff Confusion (podcast)

If you run a business that exports to the United States, how big is the tariff you have to pay? In 2025 that question was hard to answer. Between February and December, 53 separate announcements introduced, delayed, rein...Read more...

Blog

LSE Management:

How America out-deindustrialised Europe

Despite the prevailing narrative of Western deindustrialisation as one of a rigid Europe and a dynamic America, Richard Baldwin, Saul Estrin, and Bob Hancke argue that the comparison of the EU with the US turns this narr...Read more...

Journal article

Regional Science and Urban Economics:

Ports, technology and inter-city trade: the economics and geopolitics of evolving maritime transport networks

Maritime transport remains the backbone of global trade, yet the port and ship- ping network that carries it has been transformed by containerization and related technological advances. Drawing on newly available granula...Read more...

Blog

LSE Business Review:

World trade remains dangerously dependent on a handful of shipping lanes

The conflict in Iran has been reignited by disagreements about control of a critical shipping lane. But the Strait of Hormuz is not the only chokepoint making global trade vulnerable. Ferdinand Rauch, Stephan Maurer and ...Read more...

CEP discussion paper

Ports, technology and inter-city trade: the economics and geopolitics of evolving maritime transport networks

Maritime transport remains the backbone of global trade, yet the port and shipping network that carries it has been transformed by containerization and related technological advances. Drawing on newly available granular ...Read more...

CEP discussion paper

Trade and the scopes of pollution: evidence from China's world market integration

Although the environmental impact of trade has been a long-standing concern, there is still scant evidence on the channels through which international market access affects pollution. We exploit the unique episode of Chi...Read more...

CEP discussion paper

International trade in an uncertain world

We develop a tractable quantitative model of international trade in which agents make bilateral investments in resilience under general equilibrium uncertainty. Under both complete and incomplete financial markets, we sh...Read more...

Blog

LSE British Politics:

Post-Brexit trade policy hit supply chains and workers

After Brexit, firms in the UK found their supply chains disrupted. Holger Breinlich, Elsa Leromain and Martina Magli show that subsequent declines in trade led to less employment and lower pay for workers - with firms im...Read more...

CentrePiece article

My must-read paper

Discover Swati Dhingra?s recommended reading on trade economics...Read more...

CentrePiece article

Brexit has been an economic failure: here?s the evidence

Putting up trade barriers has made the UK poorer...Read more...

Blog

LSE Business Review:

Brexit shows how firms react when restrictions are placed on the way they reach customers

Brexit changed how British firms could sell services in the European Union. By studying how companies reacted, Holger Breinlich and Martina Magli show that many implemented workarounds, such as setting up affiliates abro...Read more...

Blog

LSE British Politics:

Brexit has been an economic failure

Putting up trade barriers, higher import prices and uncertainty have made the UK poorer. Thomas Sampson provides the evidence showing how Brexit has negatively affected the UK's economy....Read more...

Journal article

Journal of International Economics:

How to grow an invoicing currency: micro evidence from Argentina

We study the internationalization of the Chinese renminbi (RMB) leveraging a unique policy experiment. In 2023, amid a dollar shortage, Argentina expanded a currency swap line with China. The share of imports from China ...Read more...

CEP discussion paper

Counting the costs: a quantitative assessment of Brexit?s effect on UK regional economies

This paper examines the implications of the EU-UK Trade and Cooperation Agreement (TCA) using a dynamic spatial general equilibrium model. Unlike previous studies that primarily projected potential impacts of Brexit base...Read more...

CEP discussion paper

Should we stay or should we go? Firms? decision on services mode of supply

Services account for one-third of global trade, yet little is known about the impact of trade restrictions on services trade. To make progress in this area, it is crucial to understand through which modes services are tr...Read more...

CEP discussion paper

Cocaine goes bananas: global spillovers from an illicit supply shock

We study how a sharp expansion in Colombian cocaine production propagated internationally through global trade networks, generating substantial social costs. In Colombia, the production surge increased homicide rates by ...Read more...

Journal article

Spatial Economic Analysis:

Digital network centrality and the structure of goods trade

This paper studies how digital infrastructure is associated with the spatial structure of international trade in goods. We embed data availability into a structural gravity framework, conceptualising it as an information...Read more...

CEP discussion paper

Digital network centrality and the structure of goods trade

This paper studies how digital infrastructure is associated with the spatial structure of international trade in goods. We embed data availability into a structural gravity framework, conceptualizing it as an information...Read more...

CEP discussion paper

The economics of tariffs

A central insight from neoclassical economics is that international trade operates like an improvement in production technology. It generates mutual aggregate welfare gains for countries as a whole, but creates winners a...Read more...

CEP discussion paper

Exchange-rate pass-through and invoicing currency choice in international production networks

We study exchange-rate pass-through and currency choice in international transactions, focusing on bilateral bargaining power in relationships between domestic buyers and foreign suppliers. Using detailed transaction-lev...Read more...

CEP discussion paper

Trade within multinational boundaries

Traditional theories of firm boundaries predict trade between vertically related units of the same firm. Using novel data that combine a comprehensive mapping of U.S. multinationals' production networks with their custom...Read more...

CentrePiece article

Deglobalisation in disguise?

Brexit means that UK exporters of services now face more red tape and fewer opportunities....Read more...

CentrePiece article

How the US-China trade conflict boosted exports and employment in Mexico

Lower-paid workers in Mexican firms gained as exports shifted....Read more...

Journal article

International Economics:

Reassessing EU comparative advantage: the role of technology

Based on a sufficient statistics approach, we show how the state of technology of European industries relative to the rest of the world can be empirically assessed in a way that is simple in terms of computation, parsimo...Read more...

Journal article

Journal of International Economics:

Tickets to the global market: first US patent award and Chinese firm exports

We investigate how international patent activity enables firms from emerging economies to thrive in the global marketplace. We match Chinese customs data to US patent records, and leverage the quasi-random assignment of ...Read more...

Blog

Vox EU:

The impact of the 2025 US tariff announcements on UK firms

In the first half of 2025, the US and some of its trading partners announced significant changes to import tariffs. This column uses newly designed questions to study the impact of these changes on UK firms and to assess...Read more...

Blog

UK in a Changing Europe:

Deglobalisation in disguise?

Shania Bhalotia, Swati Dhingra and Danyal Arnold explain their study on the effect of Brexit on the UK's ability to export services abroad. They argue that exporters now face higher trade costs, more red tape and fewer o...Read more...

Blog

Vox EU:

The battle for trade currency dominance: The dollar vs the renminbi in Argentina

The US dollar has traditionally dominated the invoicing of international trade. But could other currencies one day replace it? This column examines a unique policy experiment in Argentina in 2023. Amid a severe dollar sh...Read more...

CEP discussion paper

How to grow an invoicing currency: micro evidence from Argentina

How can a currency achieve more widespread international use? We study the internationalization of the Chinese renminbi (RMB) through the lens of a unique policy experiment in Argentina. In 2023, amid a severe dollar sho...Read more...

CEP discussion paper

Deglobalisation in disguise? Brexit barriers and trade in services

Deglobalisation policies promote the vision that pulling back from economic integration can help correct international imbalances and reposition national economies for renewed prosperity. A core vision of Brexit was to t...Read more...

Blog

Vox EU:

Export strength does not equal tech strength: Rethinking EU comparative advantage

Amid geopolitical shocks, the EU is revisiting its industrial strategy. However, traditional metrics often paint a misleading picture of Europe's underlying strength. This column uses a new approach to measure the EU's r...Read more...

Blog

Vox EU:

How the 2018/19 US tariffs against China boosted exports and employment in Mexico

In 2018 and 2019, the US administration hiked tariffs on imports from China. This column shows that imports from Mexico partly filled the gap, leading to an export and employment surge in Mexico. Using highly disaggregat...Read more...

Blog

LSE Inequalities:

Tariffs, automation and inequality: why US jobs won't return but developing countries will still lose

Headlines around Trump's sweeping tariffs have focused on trade wars, inflation and the geopolitical fallout. But a more profound shift is taking place, argues Viet Nguyen-Tien. Rather than restoring American jobs, these...Read more...

Blog

Vox EU:

The 2025 trade war: Dynamic impacts across US states and the global economy

In 2025, the US government announced a series of tariff increases targeting major trading partners, including Canada, China, and Mexico. This column estimates the economic consequences of these proposed tariffs to the US...Read more...

Blog

LSE Politics and Policy:

The UK deals with India, USA and the EU are symbolic

The Labour Government is on a trade deal spree. After signing a free trade agreement with India, the UK made a pact with the US to remove some of the tariffs on UK car and aerospace exports, and finally a new agreement w...Read more...

Journal article

The Quarterly Journal of Economics:

Putting quantitative models to the test: an application to the US-China trade war

The primary motivation behind quantitative work in international trade and many other fields is to shed light on the economic consequences of policy changes and other shocks. To help assess and potentially strengthen the...Read more...

Blog

LSE Business Review:

US-China tensions could become the biggest trade war in history

The announced US tariffs and the retaliatory actions taken by China have intensified. If the threats are carried out, they will drive the average implied US tariff to exceed 20 per cent, a level not seen since the 1930s....Read more...

Blog

Imperial College Business School:

How protectionism risks undermining the US economy

Donald Trump's announcement of wide-ranging tariffs has threatened to upend the rules of global trade that have been in place for decades, impacting supply chains and businesses across the world. The US President's pla...Read more...

Blog

LSE Politics and Policy:

How will US tariffs affect the UK economy?

In this interview with Alexis Papazoglou, Thomas Sampson explains what the US tariffs mean for the UK economy and answers questions on the effects of Brexit on the UK's ability to negotiate the tariffs, as well as on wha...Read more...

Blog

Vox EU:

Deep integration and trade: UK firms in the wake of Brexit

How does dismantling deep integration affect international trade? This column uses firm-level customs data to study the impact of Brexit on UK goods trade. The authors find that in the short term, exit from the Single Ma...Read more...

CEP discussion paper

Trade with nominal rigidities: understanding the unemployment and welfare effects of the China shock

We present a dynamic quantitative trade and migration model that incorporates downward nominal wage rigidities and show how this framework can generate changes in unemployment and labor participation that match those unc...Read more...

External report

International Trade: Issue 2

Over the last four decades, many developing countries initiated reforms that have lowered barriers to trade. Yet despite these reforms, developing countries still remain far less open than developed ones, both because of...Read more...

External report

Foreign Direct Investment

Multinational enterprises are at the centre of policy debates in low- and middle-income countries. As some of the most productive and innovative firms in the world, which are at the core of global supply chains, multinat...Read more...

Blog

Vox EU:

What impact have trade sanctions had on Russia? (Podcast)

Recorded at the CEPR Paris Symposium. How effective have the trade sanctions imposed on Russia in 2022 been? Politically, they were comprehensive and quick. But anecdotal reporting has suggested that Russian firms that w...Read more...

Blog

Vox EU:

Leveraging AI to navigate 'deglobalisation'

Trade wars, industrial policy, and myriad other supply chain disruptions have fast become the 'new normal'. Yet, given the highly opaque and complex nature of production processes, knowing how to navigate this rise of de...Read more...

CEP discussion paper

Deep integration and trade: UK firms in the wake of Brexit

How does dismantling deep integration affect international trade? This paper studies the consequences of economic disintegration by estimating the impact of Brexit on goods trade by UK firms. The UK's exit from the EU's ...Read more...

Blog

EGC Voices in Development:

Development Dialogue: How can emerging economies break free from the sidelines of global trade? (podcast)

This episode of Development Dialogues addresses how lower-income countries have engaged with global trade. How have their approaches to trade differed based on their underlying institutional and economic structure? What ...Read more...

Blog

Vox EU:

High moments for superstar exporters

Aggregate exports are highly concentrated in a small group of firms, which are generally more productive than other firms. This column shows that productivity shocks generate different responses of aggregate exports depe...Read more...

Journal article

Canadian Journal of Economics:

Regional specialization: from the geography of industries to the geography of jobs

Our analysis begins with an empirical investigation of how employment concentration in industries and occupations across United States regions has changed over time, and how regional specialization has changed. Results ...Read more...

Blog

Vox EU:

Changes to firms' service delivery post-Brexit

Services can be supplied through cross-border trade, consumption abroad, commercial presence, and the presence of a natural person. The choice of delivery mode and the extent to which service traders can switch between m...Read more...

Journal article

American Economic Journal: Macroeconomics:

International friends and enemies

We examine whether, as countries become more economically dependent on a trade partner, they realign politically toward that trade partner. We use network measures of economic exposure to foreign productivity growth deri...Read more...

CEP discussion paper

The distributional consequences of trade: evidence from the Grain Invasion

We examine the distributional consequences of trade using the New World Grain Invasion that occurred in the second half of the 19th century. We use a newly-created dataset on population, employment by sector, property va...Read more...

CEP discussion paper

Trade and the end of antiquity

What caused the end of antiquity, the shift of economic activity away from the Mediterranean towards northern Europe? We assemble a large database of coin flows between the 4th and 10th century and use it to document the...Read more...

CEP discussion paper

Brexit and investment

In 2016, the UK voted to leave the European Union and growth in UK manufacturing investment ground to a halt. This paper uses administrative trade data to investigate the causal relationship between these events. We expl...Read more...

CEP discussion paper

Firm heterogeneity and imperfect competition in global production networks

How do production networks and market structure interact to shape the effects of trade and competition policy? We develop a model with two-sided firm heterogeneity, matching frictions, and imperfect supplier competition....Read more...

CEP discussion paper

Regional and aggregate economic consequences of environmental policy

This paper shows how to combine microeconometric evidence on the effects of environmental policy with a macroeconomic model, accounting for general equilibrium spillovers that have mostly been ignored in the literature. ...Read more...

Journal article

Journal of International Economics:

Accounting for trade patterns

We develop a quantitative framework for decomposing trade patterns. We derive price indexes that determine comparative advantage and the aggregate cost of living. If firms and products are imperfect substitutes, we show ...Read more...

Blog

LSE Politics and Policy:

Stop performative Brexit and do what works for the British economy

Brexit has left its mark on UK international trade, although, so far, the effect has been smaller than economists expected. Dennis Novy, Thomas Sampson and Catherine Thomas review recent UK trade performance and argue th...Read more...

CEP election analysis

Brexit and UK trade

This briefing summarises the evidence about how leaving the European Union (EU) has affected UK trade. Overall, Brexit has had a negative effect on UK trade. But, so far, this effect has been smaller than economists expe...Read more...

CEP discussion paper

Putting quantitative models to the test: an application to Trump's trade war

The primary motivation behind quantitative modeling in international trade and many other fields is to shed light on the economic consequences of policy changes. To help assess and potentially strengthen the credibility ...Read more...

Journal article

American Economic Journal: Microeconomics:

Technology transfer in global value chains

Global value chains create opportunities for North-South technology diffusion. This paper studies technology transfer in value chains when contracts are incomplete and input production technologies are imperfectly exclud...Read more...

Government consultation

Business and Trade Committee

Has the UK lost its competitive edge in the global economy? What advantages does it possess, and how can these be exploited for economic growth? The Business and Trade Committee considers these questions as it continues ...Read more...

Journal article

Journal of Development Economics:

The deforestation effects of trade and agricultural productivity in Brazil

This paper quantifies the relative footprint of trade and agricultural productivity on deforestation across Brazilian municipalities between 2000 and 2017. Using remote-sensing data, we identify distinct effects of these...Read more...

Blog

LSE British Politics and Policy:

Global Britain has failed - what next?

The vision of post-Brexit Britain was one of international trade deals that would propel the country into a new era of prosperity. That vision of "Global Britain" is now dead. Thomas Sampson argues that the only viable a...Read more...

CEP Insights

Insights: condensed

The Insights series is an introduction to the work of the Centre for Economic Performance (CEP). Each Insight highlights the contribution of CEP researchers to both academic understanding and policymaking in one area of ...Read more...

Journal article

American Economic Journal: Economic Policy :

Local retail prices, product variety, and neighborhood change

We study how local grocery markets within a city are affected by changes in housing markets. Our empirical strategy exploits a shift in the spatial distribution of construction activity induced by a large-scale, place-ba...Read more...

External report

The state of the UK economy 2024

The state of the UK economy is always an important matter, but it is all the more so in what looks likely to be an election year. This UK in a Changing Europe report takes stock of the UK economy in order to assess how i...Read more...

Blog

Vox Lacea:

Brazil's comparative advantage in soybean production triggered deforestation

In today's globalised world, technology and trade are key driving forces shaping agricultural markets worldwide. Igor Carreira, Francisco Costa and Joao Paulo Pessoa delve into the intricate relationship between trade an...Read more...

CEP discussion paper

Neoclassical growth in an interdependent world

We generalize the closed-economy neoclassical growth model (CNGM) to allow for costly goods trade and capital flows with imperfect substitutability between countries. We develop a tractable, multi-country, quantitative m...Read more...

CEP discussion paper

Tickets to the global market: first US patent awards and Chinese firm exports

We investigate how international patent activity enables firms from emerging economies to thrive in the global marketplace. We match Chinese customs data to US patent records and leverage the quasi-random assignment of U...Read more...

CEP discussion paper

Exporting ideas: knowledge flows from expanding trade in goods

We examine the effect of entry by French firms into a new export market on the dynamics of their patents' citations received from that destination. Applying a difference-in-differences identification strategy with a stag...Read more...

Blog

Vox EU:

Unravelling the complexities of sanctions

Sanctions have become a linchpin of foreign policy. But as they have grown more complex, understanding their true impact on targeted economies has become increasingly difficult, and evidence of their firm-level effects i...Read more...

Journal article

Asian Economic Policy Review:

Deconstructing deglobalization: the future of trade is in intermediate services

This article contests the idea that the world has entered a post-globalization era. It argues that rapid globalization has evolved rather than ended. Even though the global goods trade-to-GDP ratio reached its zenith 15 ...Read more...

Blog

LSE Business Review:

Brazil's comparative advantage in soybean production triggered deforestation

Tropical ecosystems house an immense biomass, which makes it imperative to understand how they are affected by technology and trade. Igor Carreira, Francisco Costa and Joao Paulo Pessoa examine the Brazilian rainforest's...Read more...

Journal article

The Economic Journal:

Unraveling firms: demand, productivity and markups heterogeneity

We develop a novel framework that simultaneously allows recovering heterogeneity in demand, quantity TFP and markups across firms while leaving the correlation between the three dimensions unrestricted. We accomplish thi...Read more...

CEP occasional paper

The linear algebra of economic geography models

We provide sufficient statistics for nominal and real wage exposure to productivity shocks in a constant elasticity economic geography model. These exposure measures summarize the first-order general equilibrium elastici...Read more...

CEP discussion paper

Dissecting the sinews of power: international trade and the rise of Britain's fiscal-military state, 1689-1823

We evaluate the role of taxes on trade in the development of imperial Britain's fiscal-military state. Influential work, e.g., Brewer's (1989) Sinews of Power, attributed increased fiscal capacity to the taxation of dome...Read more...

External report

Trading up

After nearly half a century of EU membership, Britain needs a trade strategy. The stakes are high: such a strategy shapes what families and firms buy from abroad, and what gets produced domestically; influences our jobs,...Read more...

Blog

Vox Dev:

All aboard: The effects of port development

There are large potential gains to improving ports, but space constraints and other costs affect who benefits from port infrastructure, say Cesar Ducruet, Reka Juhasz, David Krisztian Nagy and Claudia Steinwender....Read more...

Journal article

American Economic Review:

Globalization and pandemics

We provide theory and evidence on the relationship between globalization and pandemics. Business travel facilitates trade and travel leads to human interactions that transmit disease. Trade-motivated travel generates an ...Read more...

Journal article

Research Policy:

Global value chains and domestic innovation

This paper explores how changes in both position and participation in Global Value Chain (GVC) networks affect firm innovation. The analysis combines matched patent-firm data for Japan with measures of GVC network centra...Read more...

Journal article

Econometrica:

Dynamic spatial general equilibrium

We incorporate forward-looking capital accumulation into a dynamic discrete choice model of migration. We characterize the steady-state equilibrium; generalize existing dynamic exact-hat algebra techniques to incorporate...Read more...

CentrePiece article

Deep trade agreements: proliferation, provisions, impact

Modern trade agreements between countries contain a host of provisions beyond simple tariff reductions on traded products. Research by Holger Breinlich, Valentina Corradi, Nadia Rocha, Michele Ruta, Jo?o Santos Silva and...Read more...

Blog

FRBSF Economic Letter:

Supply Chain Disruptions, Trade Costs, and Labor Markets

Global supply chain disruptions due to the Covid-19 pandemic have increased the costs of trade between countries. Given the interconnectedness of the US economy with the rest of the world, higher trade costs can have imp...Read more...

Blog

Vox EU:

Responsible sourcing: Theory and evidence from Costa Rica

There is growing pressure on multinational enterprises to implement 'responsible sourcing' requirements for their suppliers in low- and middle-income countries. These include minimum standards on working conditions, such...Read more...

Blog

BBC Radio 4:

Understand The Economy: 9. International Trade and Currency Markets (podcast)

Richard Davies is a guest speaker in this episode of Understand: The Economy, Episode 9. International Trade and Currency Markets. Tim Harford explains who wins and who loses if the pound is cheap against the dollar....Read more...

CEP discussion paper

Non-tariff barriers and consumer prices: evidence from Brexit

Non-Tariff Barriers (NTBs) are the main policy impediment to international trade, yet little is known about their pass-through to prices. This paper exploits the Brexit trade policy shock to quantify how NTBs affect cons...Read more...

Journal article

Regional Studies:

Trade in creative services: relatedness and regional specialization in the UK

Creative services have become an important, but understudied, part of global trade. This paper presents new evidence on the transformation, geography and industrial relatedness of creative service exports in the UK, usin...Read more...

Journal article

Journal of International Economics:

Intra-bloc tariffs and preferential margins in trade agreements

We study how countries choose intra-bloc tariffs and preferential margins in Preferential Trade Agreements (PTAs). Our model indicates that countries should set systematically lower preferential margins when the bloc tak...Read more...

CEP discussion paper

Globalization and market power

Economic theory suggests that the markup is a key measure of market power and that its relationship with trade is rich and complex. Trade liberalisation can reduce markups via a decline in the residual domestic demand bu...Read more...

Blog

LSE Business Review:

The UK must recognise its enduring economic strengths

A decade of stagnant living standards, weak productivity and low investment combined with a coming decade of major change - driven by Covid-19, Brexit and the need for accelerated action on Net Zero - mean that it is cru...Read more...

Blog

Vox EU:

Using machine learning to assess the impact of deep trade agreements

Modern preferential trade agreements contain a host of provisions that go beyond tariff liberalisation. By adapting techniques from the machine learning literature, this column develops data-driven methods for selecting ...Read more...

Chapter

The impact of Brexit on UK-EU trade

in The Economics of Brexit: What Have We Learned?

Read more...

Chapter

Post-Brexit imports, supply chains, and the effect on consumer prices

in The Economics of Brexit: What Have We Learned?

Read more...

Blog

VoxTalks Economics:

The economics of Brexit (podcast)

The latest CEPR ebook investigates the impact of Brexit so far on the economies of the UK and EU. Tim Phillips talks to three of the authors: Jonathan Portes, Thomas Sampson and Sarah Hall....Read more...

Blog

Vox EU:

The economics of Brexit: a new eBook

What has Brexit meant for the UK economy? Six years on from the referendum, and over a year since the implementation of the UK-EU Trade and Cooperation Agreement, this column introduces a new eBook which brings together ...Read more...

External report

The big Brexit

Leaving the EU represents the largest change in the UK's relationship with the rest of the world in nearly half a century. It is a profound change in economic governance, that will reorient production and trade away from...Read more...

CentrePiece article

How Brexit has raised UK food prices

Some products imported to the UK from the European Union have been more affected by the post-Brexit trading rules than others. Jan David Bakker, Nikhil Datta, Josh De Lyon, Luisa Opitz and Dilan Yang find that leaving th...Read more...

Chapter

The effects of automation on labor demand: a survey of the recent literature

in Robots and AI - a new economic era

Robots and artificial intelligence (AI) are powerful forces that will likely have large impacts on the size, direction, and composition of international trade flows. This book discusses how industrial robots, automation,...Read more...