Results

CEP discussion paper

Thin markets, thick subsidies: local competition and the incidence of heat pump grants

We study how local supply shapes the incidence and quantity response of clean-technology subsidies. In October 2023, the UK government increased the grant for air-source heat pumps from #5,000 to #7,500 in England and Wa...Read more...

Blog

Vox EU:

The returns to viral media

Social media has lowered the barriers to political communication, allowing politicians to reach large audiences without relying on traditional media. Yet easier access does not imply an equal distribution of attention. T...Read more...

CEP discussion paper

A double-differences approach to inference in regression discontinuity designs with a discrete running variable

We present a new approach to nonparametric inference in regression discontinuity designs where the running variable is discrete and may have few support points. The approach is based on an intuitive and comparatively wea...Read more...

CentrePiece article

EV growth driven by batteries, not oil shocks

As the electric vehicle network reaches a tipping point, the economics changes and the link with oil prices breaks...Read more...

CentrePiece article

Maritime chokepoints

World trade remains dangerously dependent on a handful of shipping lanes...Read more...

CentrePiece article

Tariff confusion

The way that US tariffs were announced doubled their negative impact...Read more...

CentrePiece article

AI or remote working: which broke the career ladder?

Disentangling the reasons for the sharp fall in entry-level hiring...Read more...

Journal article

The Economic Journal: Forthcoming

The Immigration Surplus Revisited

We extend the immigration surplus results of Borjas (1995). In a closed competitive constant-returns economy, we show that an influx of migrants (holding their skill mix fixed) must increase the total real income of nati...Read more...

CEP discussion paper

Who can produce what? Firm capabilities and product entry

Which firms supply which products? Modelling multi-product firms under heterogeneous markups, we recover firms? costs for produced products and develop an algorithm inspired by recommender systems to predict costs for un...Read more...

Blog

Banque de France:

Generative AI: the first changes in the labour market are affecting young people

Since the end of 2022, permanent contract hires among young people have fallen more markedly in occupations where tasks can most easily be performed or assisted by generative AI. Contract terminations are also declining,...Read more...

CEP discussion paper

Quantifying non-tariff barriers: Brexit, input sourcing and firm performance

How successful is European integration in removing non-tariff trade barriers? We study how Brexit affected UK firms' input sourcing and sales. The post-Brexit Trade and Cooperation Agreement (TCA) reduced sales and input...Read more...

Blog

LSE Inequalities:

AI and labour market inequalities: Three starting points for discussion

One thing experts on 'the future of work' agree on is that disruptions driven by AI require us to completely rethink of the role of government in the labour market. Sir Christopher Pissarides and Kirsten Sehnbruch outlin...Read more...

CEP report

Skills for growth: what the UK can learn from international approaches for incentivising employer-based training

This report reviews international evidence on approaches to increasing employer investment in training, focusing on three broad models: coordination between employers and training providers; sector-based employment and t...Read more...

Blog

LSE Business Review:

Why some firms adopt AI before others - skills and connectivity matter more than size

Which companies become early adopters of artificial intelligence, giving them a head start in the productivity race? By studying firms in Turkey, Nuriye Melisa Bilgin and Gianmarco Ottaviano find that firm size tells onl...Read more...

Blog

VoxEU:

Tariff confusion

The year 2025 was unprecedented in the frequency, complexity, and volatility of US trade policy interventions. This column uses a new database tracking US tariff announcements during the year to show that confusion about...Read more...

Journal article

Review of International Economics:

Value co-creation and value capture in digital innovation ecosystems: a multiple case study in the agrifood sector

We use a large episode of trade liberalization in Spain to test a rich set of channels linking trade and markups. The effect of reductions in import tariffs on firm-level and aggregate markups is pro-competitive, but the...Read more...

Blog

LSE Business Review:

ChatGPT or Zoom - which broke the career ladder?

Entry-level hiring has fallen sharply across white-collar work. An emerging explanation has been that generative AI is to blame. Drawing on their new study of hundreds of millions of hires and job adverts, Peter John Lam...Read more...

Blog

VoxEU:

Firms slice up global production to protect their knowhow

Imitation is a first-order concern for enterprises operating global production processes. Firms routinely source knowledge-intensive inputs from many countries, including those with weak intellectual property laws. This ...Read more...

CEP discussion paper

Defense promotion and industrial development

Major economies are rearming, and rearmament is itself industrial policy. I ask whether defense promotion - especially innovation policy - can drive industrial development beyond the defense sector. I synthesize evidence...Read more...

CEP discussion paper

Is data privacy a losing game? Evidence from Apple's App Tracking Transparency (ATT) policy

We study the impact of Apple's App Tracking Transparency (ATT) policy, which requires apps to obtain explicit user permission before cross-app tracking, on the mobile gaming industry. Using SensorTower US data on the top...Read more...

CEP discussion paper

Dynamic effects of trade

The existence of aggregate welfare gains from trade is one of the classic insights from international economics. However, these conventional welfare gains are static, in the sense that they take existing factor supplies ...Read more...

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

The Economics Show with Soumaya Keynes (podcast):

Will AI solve the productivity puzzle? With Nick Bloom

Productivity has been a problem for the past 15 years. In developed countries, weak demand, a lack of competition and a paucity of new ideas have all been blamed. Could AI finally reverse that trend? Soumaya speaks to St...Read more...

Blog

Project Syndicate:

Silicon, Not Software, Will Decide the AI Race

The AI race is no longer just about building better models. As competition shifts from scientific discovery to deployment, success increasingly depends on computing power, advanced semiconductors, physical infrastructure...Read more...

CEP discussion paper

Employer market power: models and methods

It is now widely recognized that employers hold some wage-setting power over workers, and several recent reviews cover the resulting surge of research on monopsony. We take a high-level view, introducing the idea of the ...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

Journal of Industrial Economics:

Asymmetric pass-through and competition

We study the retail price pass-through of four major tax changes in petroleum products using daily pricing data from gas stations on small Greek islands. We find that (i) the pass-through of the tax hikes is five times h...Read more...

CEP occasional paper

CEP wellbeing coefficient database

Wellbeing cost-benefit analysis requires credible estimates of how much specific life circumstances change subjective wellbeing. This paper documents and contextualises a compendium of 123 such estimates, drawn from 19 d...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 shipping network that carries it has been transformed by containerization and related technological advances. Drawing on newly available granular ...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...

Blog

Polytechnique Insights:

Europe is falling behind, can it pick up the pace when it comes to innovation?

Philippe Aghion writes for Polytechnique Insights on how Europe must prepare its own AI strategy if it wishes to make up ground lost to the U.S. in terms of GDP per capita, productivity and disruptive innovations....Read more...

Journal article

American Economic Journal: Macroeconomics:

Import liberalization as export destruction? Evidence from the United States

In trade models with scale economies import liberalization reduces exports within industries by shrinking real market potential. We find this export destruction mechanism reduced US export growth following the permanent ...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...

CEP discussion paper

Tariff confusion

US trade policy in 2025 was unprecedented in the frequency, complexity and volatility of tariff announcements. This paper presents evidence that the resulting policy environment reduced trade flows because of confusion o...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...

Journal article

Review of Economics and Statistics:

Managing export complexity: the role of service outsourcing

As manufacturing firms expand globally, business services such as advertising and legal support become essential for entering new markets. Exploiting exogenous demand shocks, we document that French manufacturers increas...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

Organization Science:

The cybernetic teammate: a field experiment on generative AI and teamwork

We examine how artificial intelligence (AI) impacts three core pillars of collaboration?performance enhancement, expertise integration, and social engagement?through a preregistered field experiment with 791 professional...Read more...

CEP occasional paper

Wellbeing appraisal for Low Traffic Neighbourhoods. Underpinning evidence and assumptions

Low Traffic Neighbourhoods (LTNs) are a series of measures to reduce traffic volumes and increase active modes of travel in residential areas. They typically restrict cars from certain streets and can include bollards or...Read more...

CEP discussion paper

What happens in Paris, does not stay in Paris: trade fairs and search and matching frictions

Search and matching frictions keep firms from forming international trade links. Trade fairs are a common, often subsidized remedy, yet causal evidence is scarce. We study Hungarian firms at the 1900 Paris World Exhibiti...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...

Journal article

American Economic Review:

Leaders in social movements: evidence from unions in Myanmar

Social movements are catalysts for crucial institutional changes. To succeed, they must coordinate members' views (consensus building) and actions (mobilization). We study union leaders within Myanmar's burgeoning labor ...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

Mind the break-up: when policy disrupts firms' supply chains

This paper examines how policy-induced supply-chain shocks affect firms? performances, using the UK-EU Trade and Cooperation Agreement (TCA) as a source of exogenous variation. Using UK microdata on firm-level goods and ...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

The civil war reduced slave owners' economic power but increased their political influence

Did Southern elites? economic losses from abolition translate into diminished political influence? Using novel census-linked data on state lawmakers across four slave owning and two Northern states (1850?1880), we docume...Read more...

Blog

Federal Reserve Bank of Atlanta:

How Much Are Firms Spending on AI (and What Will Happen to Headcounts)?

Nicholas Bloom and his co-authors investigate AI adoption in firms to understand how much companies are spending on AI and what the impact will be on the composition of their workforces....Read more...

Journal article

Journal of International Economics:

The US-China trade war creates jobs (elsewhere)

We examine the indirect effects of the 2018-2019 US-China trade war on Brazil?s labor market. We construct a measure of regional exposure to the trade conflict using industry-specific tariff changes and the sectoral empl...Read more...

Blog

University of Oxford:

Expert Comment: The firms racing to replace people with AI will be the first to fall

Jan-Emmanuel De Neve, Professor of Economics and Behavioural Science at Oxford's Sa??d Business School and CEP Associate, argues that companies racing to replace staff with AI risk hollowing out their own future....Read more...

Blog

Transform work:

Transform work with Raffaella Sadun, Professor of Business Administration at Harvard Business School (podcast)

Raffaella's work sits at the intersection of economics, leadership, and the future of work. Drawing on large-scale data and real-world field experiments inside major companies, she explores how hybrid work is reshaping l...Read more...

Blog

The Conversation UK:

Electric vehicles pass tipping point, breaking the link with oil prices

When the Strait of Hormuz first closed in March and oil hit US$120 a barrel, a very old question came back: is this finally the moment electric vehicles take off for good - or just another false start? EVs have been here...Read more...

Journal article

Economica:

Defining the geographical level of competition: a taxonomy of industry tradability

The paper develops a taxonomy of industry tradability to define the geographical level at which competition takes place. First, it creates a novel dataset that combines production and international trade data for both go...Read more...

CEP discussion paper

Sticky gravity

International trade flows show strong persistence over time. Standard static gravity models cannot rationalize this persistence and lack a micro-foundation for including lagged trade flows as a determinant of current tra...Read more...

Journal article

The Economic Journal:

Train to opportunity: the effect of infrastructure on intergenerational mobility

Can transport infrastructure expand long-term labour opportunities and weaken the occupational link between parents and children? We estimate the causal effect of railway access on occupational attainment and intergenera...Read more...

Blog

Vox EU:

When and why political leaders polarise rhetoric: Evidence from Twitter/X

Standard theories of electoral competition predict that politicians should converge toward the centre as elections approach. This column challenges this prediction, using 3.4 million tweets from 367 political leaders acr...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...

CEP discussion paper

Growth insured: export credit insurance and trade

We estimate the causal effect of short-term export credit insurance (ECI) on firm-level exports using administrative data from China?s export credit agency merged with customs and tax records. Exploiting quasi-random var...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

Technology spillovers, diffusion and rivalry in firm networks

We examine how upstream firms' technology adoption affects the performance and adoption decisions of downstream partners. Using business-to-business data with administrative records on advanced technology adoption, we fi...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...

CEP discussion paper

Sustaining international rules in a multipolar world

We study the sustainability of international trading rules in a multipolar world. A rules-based equilibrium is shaped by three forces. A static temptation to exploit market power undermines cooperation, while two dynamic...Read more...

Journal article

Journal of the European Economic Association:

Innovation union: costs and benefits of innovation policy coordination

What is the scope for international cooperation in innovation policy in economies closely integrated via trade? We address this question by building a two-region innovation-driven growth model with endogenous technology ...Read more...

CEP discussion paper

What is the "right" geographic market definition?

This paper examines the "right" geographic definition of relevant markets by analyzing how excise tax pass-through varies with local competition in the retail gasoline market of a large metropolitan city. Using a natural...Read more...

Journal article

American Economic Journal: Economic Policy:

Sweeping up gangs: the effects of tough-on-crime policies from a network approach

Globally, gang proliferation is fought primarily through sweeps. This paper uses a difference-in-differences strategy to examine their causal impact on crime for arrested individuals and their peers. Analysis focuses on ...Read more...

Journal article

International Journal of Industrial Organization:

What is the "right" geographic market definition?

This paper examines the "right" geographic definition of relevant markets by analyzing how excise tax pass-through varies with local competition in the retail gasoline market of a large metropolitan city. Using a natural...Read more...

Journal article

Resources Policy:

The EV transition: the impact of the EU battery directive on critical material supply, recycling and battery costs

Lithium-ion batteries (LIBs) are central to the European Union's (EU) Net Zero strategies. Yet, rising regulatory pressures and geopolitical tensions have increased the risk of supply chain bottlenecks for strategic and ...Read more...

Journal article

SERIEs:

Paternity leave in Spain

Between 2017 and 2021, Spain progressively extended paternity leave from 2 to 16 weeks, equalizing it with maternity leave and introducing mandatory weeks. A 2018 reform also allowed fathers to split their leave. Using a...Read more...

CEP discussion paper

Random placement but real bias

Many studies exploit the random placement of individuals into groups such as schools or regions to estimate the effects of group-level variables on these individuals. Assuming a simple data generating process, we show th...Read more...

Government consultation

Commons Treasury Committee

Swati Dhingra was one of the four members of the Bank of England's Monetary Policy Committee to give evidence to the committee following the Bank's November report and a close vote which maintained interest rates at 4%....Read more...

Blog

East Asia Forum:

Rethinking industrial policy for resilience, sustainability and growth

When well designed and transparent, industrial policy can drive inclusive growth and resilience. When poorly governed, it risks inefficiency, capture and stagnation, writes Chiara Criscuolo....Read more...

Journal article

Journal of International Economics:

Liquidity as competitive advantage: the role of intangibles

We show that short-term liquidity can be a source of competitive advantage by enabling firms to invest in intangible assets. Our analysis leverages a French reform that capped payment delays in trade credit contracts, wh...Read more...

CEP discussion paper

Accommodating emerging giants in the global economy

How has aggregate income and welfare in the United States been affected by globalization and rapid productivity growth in emerging economies? We use the class of constant elasticity trade models to provide quantitative e...Read more...

Journal article

Journal of Political Economy: Macroeconomics:

Innovation and trade policy in a globalized world

What is the role of innovation policy in an open economy and how does it interact with foreign competition? We address this question employing a new innovation-driven growth model with two large open economies at differe...Read more...

CEP discussion paper

The Economics of climate innovation: technology, climate policy, and the clean energy transition

We examine the economics of climate innovation and its role in the clean technology transition. It outlines the incentives, market failures, and policy levers that shape the development and diffusion of clean technologie...Read more...

Journal article

Research Policy:

Mapping digital businesses with big data: some early findings from the UK

Governments around the world want to develop their ICT industries. Researchers and policymakers thus need a clear picture of digital businesses, but conventional datasets and typologies tend to lag real-world change. We ...Read more...

Blog

Vox EU:

Confusopoly unveiled: How firms use complexity to raise prices

Can entire markets strategically confuse consumers to raise prices? This column tracks the prices of nearly all mobile phone tariffs and handsets in the UK from 2010 to 2012, and finds that quality-adjusted prices rise i...Read more...

CEP discussion paper

Personnel policy in public sector organizations: evidence from England's academy schools

Many governments are increasingly decentralizing the governance of public sector organizations, by granting more autonomy to their managers. At the same time, public sector managers often cannot use key personnel practic...Read more...

CEP discussion paper

Equilibrium trade regimes: power- vs. rules-based

Members of the World Trade Organization are increasingly disregarding its rules, raising concerns about the future of the multilateral trading system. To analyze the sustainability of the rules-based trade regime, we dev...Read more...

CentrePiece article

Cultural exception?

Why book publishing contradicts conventional wisdom about competition....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...

Chapter

Labour markets and the future of work

in The London Consensus

New technologies are causing a restructuring of labour markets in many countries. While much has been written on how these technologies may destroy jobs, this chapter argues that they do not threaten the end of work but ...Read more...

Chapter

Fostering green and inclusive productivity growth

in The London Consensus

This chapter explains the main ideas underpinning the Schumpeterian growth paradigm and how it provides a new lens to look at the determinants and effects of the growth process. Schumpeter was pessimistic about the futur...Read more...

Journal article

The Energy Journal:

Natural gas vehicles: consequences for fuel markets and the environment

Policies to adopt cleaner fuels have become increasingly important, but their impacts on incumbent fuel prices and resulting greenhouse gas emissions remain unclear. We use a panel dataset on weekly prices at the gas sta...Read more...

Journal article

The Economic Journal:

Manipulation and selection in unemployment insurance

In this paper, we study the selection patterns of individuals who manage to have their lay-off delayed around an age at lay-off threshold entitling them to four additional months of unemployment insurance, that is, manip...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...

CEP policy analysis

Domestic abuse: improving risk assessment and response by the police (policy brief)

Domestic abuse remains a pervasive challenge worldwide. According to data from the Office for National Statistics, domestic abuse affects one in five people aged 16 and above in the UK. In 2021, the then Conservative gov...Read more...

Journal article

Canadian Journal of Economics:

Evaluating the impact of export finance support on firm-level export performance: evidence from Pakistan

This paper evaluates the impact of two large export finance support schemes on firm-level export performance. The Export Finance Scheme (EFS) and the Long-Term Finance Facility for Plant & Machinery (LTFF) provide loans ...Read more...

CEP discussion paper

A new model of parental time investments: a paradigm shift for addressing gender inequality in the labor market

This paper introduces a new framework for understanding the persistence of the motherhood penalty by emphasizing the role of on-call care. Using a pseudo-panel event study based on the 2003-2022 American Time Use Survey ...Read more...

Journal article

Review of Economic Studies:

Temporal-difference estimation of dynamic discrete choice models

We study the use of Temporal-Difference learning for estimating the structural parameters in dynamic discrete choice models. Our algorithms are based on the conditional choice probability approach but use functional appr...Read more...