Results

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...

Journal article

Nature Climate Change:

The environmental impact of multinational firms in Africa

Whereas environmental conditions are improving in many developed countries, environmental degradation is still widespread. Multinational enterprises could play a central role in solving or fuelling these global environme...Read more...

Journal article

Scientific Reports:

Sharing meals is associated with greater wellbeing

Although social connections are important drivers of wellbeing, and sharing meals is a nearly universal practice, the relationship between sharing meals and wellbeing remains underexplored. In Study 1, using novel data f...Read more...

Blog

The We Society (podcast):

How happy is the world in 2026? with Jan-Emmanuel De Neve

Our guest, Professor Jan-Emmanuel De Neve shares with us the top findings from the recently released 2026 World Happiness Report. He is Professor of Economics and Behavioural Science at the University of Oxford and Dire...Read more...

External report

World Happiness Report 2026

In North America and Western Europe, young people are much less happy than 15 years ago. Over the same period, social media use has greatly increased. Many people blame social media for this fall in happiness, but does t...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

Nature Human Behaviour:

Why single-item measures of wellbeing are best

We argue that individual wellbeing is best captured by single self-reports of one's overall quality of life. This approach is direct, efficient, globally comparable and distinguishes wellbeing from what might explain it....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...

Blog

Liberty Street Economics:

How Firms Spread Good Management

What is good management, and how is it transmitted across firms and plants? In a recent paper, we use survey and administrative data, coupled with a structural model of management, to explore these questions. We show tha...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

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...

External report

World Happiness Report 2025

In this year's issue, we focus on the impact of caring and sharing on people's happiness. Like 'mercy' in Shakespeare's Merchant of Venice, caring is "twice-blessed" - it blesses those who give and those who receive. In ...Read more...

Blog

Vox EU:

Distributional consumer price indices and the measurement of inequality

Differences in consumption patterns between lower- and higher-income households suggest the potential for inflation inequality, but evidence on the scale and drivers of this disparity remains scarce. This column uses 'di...Read more...

Chapter

World Happiness Report: origins, purpose, contents, impact and future

in Encyclopedia of Happiness, Quality of Life and Subjective Wellbeing

Read more...

CEP discussion paper

Neighborhood effects: evidence from wartime destruction in London

We use the German bombing of London during the Second World War as an exogenous source of variation to provide evidence on neighborhood effects. We construct a newly-digitized dataset at the level of individual buildings...Read more...

External report

World Happiness Report 2024

This issue of the World Happiness Report focuses on the happiness of people at different stages of life. In the seven ages of man in Shakespeare's As You Like It, the later stages of life are portrayed as deeply depressi...Read more...

Journal article

The Review of Economic Studies:

Using disasters to estimate the impact of uncertainty

Uncertainty rises in recessions and falls in booms. But what is the causal relationship? We construct cross-country panel data on stock market returns to proxy for first- and second-moment shocks and instrument these wit...Read more...

Blog

LSE Impact:

Dashboards have the power to make complex research accessible to the public and policymakers

While researchers often point to the relevance of their research, economic models and econometric methods are typically inaccessible to a wider audience. Gabriel Ahlfeldt explains how interactive dashboards represent a u...Read more...

CEP occasional paper

A micro-geographic house price index for England and Wales

We generate a mix-adjusted house price index for England and Wales from 2010 to 2020 at the level of lower-layer super output areas. To this end, we blend parametric and non-parametric estimation techniques and leverage ...Read more...

CentrePiece article

Scars of war

Deaths of soldiers in wartime naturally have a powerful impact on the communities from which they come. Research by Edward Pinchbeck, Felipe Carozzi and Luca Repetto reveals how losses in the first world war have reverbe...Read more...

CEP discussion paper

Scars of war: the legacy of WW1 deaths on civic capital and combat motivation

What drives soldiers to risk their life in combat? We show that the legacy of war creates lasting conditions that encourage younger generations to take greater risks when fighting for their country. Using individual-leve...Read more...

Journal article

Oxford Economic Papers:

Economic insecurity and political preferences

Economic insecurity has attracted growing attention, but there is no consensus as to its definition. We characterize a class of individual economic-insecurity measures based on the time profile of economic resources. We ...Read more...

Journal article

Journal of International Economics:

Sequentially exporting products across countries

Exploiting disaggregated data on French exporters, we show that firms expand their product scope and geographical presence sequentially. This process of internationalization is uneven over time, exhibiting more volatilit...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...

External report

World Happiness Report 2023

It has been over ten years since the first World Happiness Report was published. And it is exactly ten years since the United Nations General Assembly adopted Resolution 66/281, proclaiming 20 March to be observed annual...Read more...

Blog

Economics Observatory:

What is the role of government in creating a happier world?

The latest edition of the World Happiness Report offers new insights into wellbeing across the globe. The past year has brought a number of fresh challenges, but many people are still able to find happiness in their live...Read more...

CentrePiece article

CEP Insights: Wellbeing

The CEP carries out policy-focused research on the causes of economic growth and effective ways to create a fair, inclusive and sustainable society. The Insights series highlights the contributions that CEP research has ...Read more...

Journal article

Review of Income and Wealth :

The well-being cost of inflation inequalities

In terms of well-being, how costly is inflation? To answer this question, empirical evaluations have typically studied average inflation rates at the national level, thus disregarding the role of inflation inequalities w...Read more...

Journal article

Regional Science and Urban Economics :

Micro-geographic property price and rent indices

We develop a programming algorithm that predicts a balanced-panel mix-adjusted house price index for arbitrary spatial units from repeated cross-sections of geocoded micro data. The algorithm combines parametric and non-...Read more...

Blog

Vox EU:

Tracking uncertainty in a rapidly changing global economic outlook

Tracking uncertainty at a high frequency is useful in the context of the multiple shocks that have hit the global economy over the past years and to disentangle the sources of uncertainty. This column presents a new mont...Read more...

Blog

Vox EU:

Firm inflation expectations in quantitative and text data

Inflation rates and short-term inflation expectations in the UK have increased significantly since 2021. This column uses quantitative and text data from the Decision Maker Panel to analyse the factors affecting inflatio...Read more...

Journal article

Journal of Econometrics:

Surveying business uncertainty

We elicit subjective probability distributions from business executives about their own-firm outcomes at a one-year look-ahead horizon. In terms of question design, our key innovation is to let survey respondents freely ...Read more...

CEP discussion paper

The well-being cost of inflation inequalities

In terms of well-being, how costly is inflation? To answer this question, empirical evaluations have typically studied average inflation rates at the national level, thus disregarding the role of inflation inequalities w...Read more...

Journal article

Annual Review of Economics:

Expecting Brexit

The Brexit vote precipitated the unraveling of the United Kingdom's membership in the world's deepest economic integration agreement. This article reviews evidence on the realized economic effects of Brexit. The 2016 Bre...Read more...

Journal article

Journal of Risk and Financial Management:

Pandemic-era uncertainty

We examine several measures of uncertainty to make five points. First, equity market traders and executives at nonfinancial firms have shared similar assessments about one-year-ahead uncertainty since the pandemic struck...Read more...

CentrePiece article

Lessons from ten years of the World Happiness Report

The World Happiness Report gives us an annual insight into global wellbeing. Maria Cotofan looks at what we have learned about the determinants of wellbeing in the past ten years ? and what challenges and opportunities l...Read more...

CentrePiece article

Trade disruptions in the wake of Brexit

A dramatic fall in the value of UK imports from the European Union relative to the rest of the world occurred when the post-Brexit Trade and Cooperation Agreement came into effect. What's more, according to research by R...Read more...

CEP discussion paper

UK trade in the wake of Brexit

This paper studies the impact of Brexit on the UK's trade with the EU relative to its trade with the rest of the world. We find no evidence that uncertainty and anticipation effects led to a significant decline in relati...Read more...

Blog

VoxEU:

The impact of the war in Ukraine on economic uncertainty

Economists review the effects of the war in Ukraine, identifying where and to what extent measures of economic uncertainty have increased....Read more...

Blog

Economics Observatory:

What can we learn from the latest World Happiness Report?

Now in its tenth year, Maria Cotofan explains how the World Happiness Report offers an insight into the progress that has been made - both in terms of understanding the determinants of global wellbeing and in recognising...Read more...

Journal article

International Economic Review:

The Brexit vote, inflation and UK living standards

This article studies how voting for Brexit affected living standards in the United Kingdom. Using heterogeneity in exposure to import costs across product groups, we analyze how the depreciation of sterling caused by the...Read more...

Blog

VoxEU:

Covid-19 uncertainty: a tale of two tails

The onset of the COVID-19 pandemic triggered a massive spike in uncertainty. This column uses data from panel surveys of US and UK business executives to document how uncertainty over own-firm sales growth rates over the...Read more...

Journal article

Journal of Cross-Cultural Psychology:

Life satisfaction and the Human Development Index across the world

We use annual data on over 150 countries between 2005 and 2018 to look at the relationship between subjective well-being (both cognitive and affective) and the Human Development Index (HDI). The HDI appears to be more cl...Read more...

CEP discussion paper

Micro-geographic property price and rent indices

We develop a programming algorithm that predicts a balanced-panel mix-adjusted house price index for arbitrary spatial units from repeated cross-sections of geocoded micro data. The algorithm combines parametric and non-...Read more...

Journal article

Oxford Review of Economic Policy:

The World Management Survey at 18: lessons and the way forward

Understanding how differences in management 'best practices' affect organizational outcomes has been a focus of both theoretical and empirical work in the fields of management, sociology, economics, and public policy. Th...Read more...

CEP discussion paper

Sequential exporting across countries and products

How do exporters expand their product scope and geographical presence? We argue that new exporters are uncertain about their profitability in different countries and products, but learn it as they start to export. As a c...Read more...

Blog

VoxEU:

Why global uncertainty is declining

The latest update of the World Uncertainty Index indicates that global uncertainty has fallen back to its long-run average after reaching a historical high in 2020. This column describes how this is driven by a significa...Read more...

Journal article

American Journal of Agricultural Economics:

Rainfall variability, child labor, and human capital accumulation in rural Ethiopia

How does income uncertainty affect human capital investments in agrarian economies? Using child-level panel data, I exploit a medium-run change in mean-preserving rainfall variability to identify the effects of income un...Read more...

Blog

LSE Business Review:

World Happiness Report: living long and living well

The 2021 World Happiness Report comes as the Covid-19 pandemic continues to claim lives and lay waste to livelihoods around the world. Richard Layard and Ekaterina Oparina introduce the WELLBY Approach and look at how we...Read more...

Journal article

Review of Economics and Statistics:

Trade and uncertainty

We offer a new explanation as to why international trade is so volatile in response to economic shocks. Our approach combines the idea of uncertainty shocks with international trade. Firms order inputs from home and fore...Read more...

CentrePiece article

The cost of being young: measuring intergenerational consumer prices

The UK's young adults are navigating a very different economic landscape to earlier generations, including low real wage growth, lower likelihood of owning their own home and the uncertain prospects of Brexit. Rahat Sidd...Read more...

Blog

LSE Business Review:

Economic insecurity breeds support for the right

Economic insecurity breeds support for the right Economic insecurity is attracting growing attention in social, academic, and policy circles. It has arguably risen for a number of reasons in recent years: the Great Rece...Read more...

CEP discussion paper

Economic insecurity and the rise of the right

Economic insecurity has attracted growing attention in social, academic and policy circles. However, there is no consensus as to its precise definition. Intuitively, economic insecurity is multi-faceted, making any compr...Read more...

Journal article

The Quarterly Journal of Economics:

Who becomes an inventor in America? The importance of exposure to innovation

We characterize the factors that determine who becomes an inventor in the United States, focusing on the role of inventive ability (?nature?) versus environment (?nurture?). Using deidentified data on 1.2 million invento...Read more...

CEP discussion paper

Come together: firm boundaries and delegation

We jointly study firm boundaries and the allocation of decision rights within them by confronting an incomplete-contracts model with data on vertical integration and delegation for thousands of firms around the world. In...Read more...

CEP Brexit analysis

The Brexit vote, inflation and UK living standards

The vote to leave the European Union (EU) was an unanticipated shock to the UK economy that increased uncertainty and reduced the country?s expected future openness to trade, investment and immigration with the EU. Our r...Read more...

Journal article

Journal of Economic Psychology:

Top incomes and human well-being: evidence from the Gallup World Poll

The share of income held by the top 1 percent in many countries around the world has been rising persistently over the last 30 years. But we continue to know little about the relationship between the rising top income sh...Read more...

Journal article

The Quarterly Journal of Economics:

Measuring economic policy uncertainty

We develop a new index of economic policy uncertainty (EPU) based on newspaper coverage frequency. Several types of evidence-including human readings of 12,000 newspaper articles-indicate that our index proxies for movem...Read more...

CEP discussion paper

A unified approach to estimating demand and welfare

The measurement of price changes, economic welfare, and demand parameters is currently based on three disjoint approaches: macroeconomic models derived from time-invariant utility functions, microeconomic estimation base...Read more...

Blog

LSE British Politics and Policy:

No one would be spared: how the costs of Brexit would be distributed across households

That leaving the EU would damage the overall economy is now being treated as more of a fact than a speculation. But those for Brexit argue that the rich will be negatively affected while the poor will benefit. This is no...Read more...

CEP discussion paper

Special and differential treatment for developing countries

Special and Differential Treatment for Developing Countries (SDT) constitutes a central feature of the GATT/WTO system. Its formal goal is to foster export-led growth in developing countries. Its theoretical foundations ...Read more...

CEP discussion paper

Top incomes and human well-being around the world

The share of income held by the top 1 percent in many countries around the world has been rising persistently over the last 30 years. But we continue to know little about how the rising top income shares affect human wel...Read more...

CEP discussion paper

Measuring economic policy uncertainty

We develop a new index of economic policy uncertainty (EPU) based on newspaper coverage frequency. Several types of evidence ? including human readings of 12,000 newspaper articles ? indicate that our index proxies for m...Read more...

CEP discussion paper

Consumption smoothing and the welfare cost of uncertainty

How does income uncertainty affect individual well-being? Combining individual-level panel data from rural Ethiopia with high-resolution meteorological data, we estimate that mean-preserving increases in rainfall variabi...Read more...

Journal article

Economic Development and Cultural Change:

Organization of disaster aid delivery: spending your donations

Extreme disasters catch the public eye, often resulting in massive infusions of aid that affect not just individual well-being but the fabric of societies. In developing countries, this typically involves foreign nongove...Read more...

CEP discussion paper

Space-time (in)consistency in the national accounts: causes and cures

In early 2014 the World Bank published the main findings of the 2011 International Comparison Program (ICP). The result was surprising: the world is apparently richer and more equal than we would have expected based on e...Read more...

Journal article

The World Bank Economic Review:

The political economy of trade policy: gone for good? Subsidies with export share requirements in China: 2002-13

This paper presents a simple model of subsidies with export share requirements (ESR) in a heterogeneous firm environment. A two-country general equilibrium version of the model with a single 100% ESR is calibrated using ...Read more...

CEP discussion paper

Vertical transmission of overweight: evidence from English adoptees

We examine the vertical transmission of overweight drawing upon a sample of English children, both adopted and non-adopted, and their families. Our results suggest strong evidence of an intergenerational association of o...Read more...

CentrePiece article

Long shadow of the Berlin Wall

Do people born at different points of the economic cycle have different outcomes ? and if so, why? Arnaud Chevalier and Olivier Marie examine the educational attainment and criminal activity of children born in East Germ...Read more...

CEP discussion paper

Trade and uncertainty

We offer a new explanation as to why international trade is so volatile in response to economic shocks. Our approach combines the uncertainty shock idea of Bloom (2009) with a model of international trade, extending the ...Read more...

CentrePiece article

In brief... Does management matter in schools?

Better school management is associated with better pupil achievement, according to CEP analysis of the quality of management practices in schools in a range of developed and developing countries. Renata Lemos notes that ...Read more...

CEP discussion paper

Economic uncertainty, parental selection, and the criminal activity of the 'Children of the Wall'

We study the link between parental selection and children criminality in a new context. After the fall of the Berlin Wall, East Germany experienced an unprecedented temporary drop in fertility driven by economic uncertai...Read more...

CEP occasional paper

Fluctuations in uncertainty

This review article tries to answer four questions: (i) what are the stylized facts about uncertainty over time; (ii) why does uncertainty vary; (iii) do fluctuations in uncertainty matter; and (iv) did higher uncertaint...Read more...

CEP discussion paper

Does uncertainty reduce growth? Using disasters as natural experiments

A growing body of evidence suggests that uncertainty is counter cyclical, rising sharply in recessions and falling in booms. But what is the causal relationship between uncertainty and growth? To identify this we constru...Read more...

CEP occasional paper

Incomplete contracts and the internal organisation of firms

We survey the theoretical and empirical literature on decentralization within firms. We first discuss how the concept of incomplete contracts shapes our views about the organization of decision-making within firms. We th...Read more...

CEP discussion paper

Really Uncertain Business Cycles

We propose uncertainty shocks as a new shock that drives business cycles. First, we demonstrate that microeconomic uncertainty is robustly countercyclical, rising sharply during recessions, particularly during the Great ...Read more...

SERC/Urban and Spatial Programme Discussion Paper

House Prices and Rents: Micro Evidence from a Matched Dataset in Central London

Using the proprietary dataset of a real estate agency, I analyse tens of thousands of housing sale and rental transactions in Central London during the 2005-2011 period. I run hedonic regressions on both prices and rents...Read more...

CEP US election analysis

Economic Recovery and Policy Uncertainty

Until some political mechanism creates incentives to elect moderate representatives who can reach across the ideological divide, the US seems destined to heightened levels of policy uncertainty for many years to come. So...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Geographic Concentration and the Temporal Scope of Agglomeration Economics: An Index Decomposition

The paper decomposes a geographical concentration index to examine the temporal scope of a spillover, which is the period of time over which one firm?s activity directly affects the location of other firms? activities. N...Read more...

CEP discussion paper

The Wealth and Poverty of Nations: True PPPs for 141 Countries

I set out a new method for estimating true (Konus) PPPs. Household consumption per head deflated by these PPPs answers the question: by how much must the average expenditure per head of poor country A be increased to ena...Read more...

CEP discussion paper

Sequential Exporting

Firms need to incur substantial sunk costs to break in foreign markets, yet many give up exporting shortly after their first experience, which typically involves very small sales. Conversely, other new exporters shoot up...Read more...

CEP discussion paper

How to Measure Living Standards and Productivity

This paper sets out a general algorithm for calculating true cost-of-living indices or true producer price indices when demand is not homothetic, i.e. when not all expenditure elasticities are equal to one. In principle,...Read more...

CEP discussion paper

Multinational Firms, Monopolistic Competition and Foreign Investment Uncertainty

This is a model of multinational firms, which introduces option value of foreign direct investment, into a framework of Dixit-Stiglitz type monopolistic competition. Starting from a pure trading equilibrium and solving f...Read more...

CEP discussion paper

Policy Uncertainty and Precautionary Savings

In 1997 Chancellor Kohl proposed a major pension reform: he pushed the law through Parliament explaining that the German PAYG system had become unsustainable. One limitation of the new law - one that is crucial for our i...Read more...

CEP discussion paper

Optimal External Debt and Default

This paper analyses whether sovereign default episodes can be seen as contingencies of optimal international lending contracts. The model considers a small open economy with capital accumulation and without commitment to...Read more...

CEP discussion paper

Chain Indices of the Cost of Living and the Path-Dependence Problem: An Empirical Solution

This paper proposes an empirically feasible method for correcting the path-dependence bias of chain indices of the cost of living. Chain indices are discrete approximations to Divisia indices and it is well known that th...Read more...

CEP discussion paper

Uncertainty and the Dynamics of R&D

Uncertainty varies strongly over time, rising by 50% to 100% in recessions and by up to 200% after major economic and political shocks. This paper shows that higher uncertainty reduces the responsiveness of R&D to change...Read more...

CEP discussion paper

Shifts in Economic Geography and their Causes

This paper analyses some of the forces that are changing the spatial distribution of activity in the world economy. It draws on the 'new economic geography' literature to argue the importance of increasing returns to sca...Read more...

CEP discussion paper

Uncertainty and Investment Dynamics

This paper shows that, with (partial) irreversibility, higher uncertainty reduces the impact effect of demand shocks on investment. Uncertainty increases real option values making firms more cautious when investing or di...Read more...

CEP discussion paper

The Impact of Uncertainty Shocks: Firm Level Estimation and a 9/11 Simulation

Uncertainty appears to vary strongly over time, temporarily rising by up to 200% around major shocks like the Cuban Missile crisis, the assassination of JFK and 9/11. This paper offers the first structural framework to a...Read more...

CEP discussion paper

One Third of the World's Growth and Inequality

This paper studies growth and inequality in China and India u two economies that account for a third of the world's population. By modelling growth and inequality as components in a joint stochastic process, the paper c...Read more...