Results

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...

CEP discussion paper

Organizing expertise with externalities: evidence from primary care

Many modern organizations use knowledge hierarchies, where frontline workers try to resolve tasks and pass those they cannot resolve to experts. But the implications of this organization of expertise are not well underst...Read more...

Journal article

International Economic Review:

Scientific isolation? The consequences of Trump's China initiative on Chinese research

The 2018 China Initiative by the Trump administration complicated procedures and reduced funding for US-China research collaborations. Using Scopus data, we analyze its impact on Chinese research. We find that it signifi...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...

Blog

VoxEU:

Place-based industrial policies in the long run

There is growing evidence that place-based industrial policies lead to positive economic effects. This column analyses the 'Million-Rouble Plants' programme of the 1950s when the Soviet Union helped China build state-of-...Read more...

Blog

Bloomberg Trumponomics (podcast):

Are We Being Priced Out of Happiness?

Americans are spending less time with friends, nights out are getting more expensive and even major sporting events are becoming harder to afford. Stephanie Flanders speaks with Bloomberg reporter Ben Steverman and econo...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 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...

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

Vox EU:

Tall buildings lead to more compact and productive cities

Land-use regulations, including height limits, affect housing affordability and urban productivity. This column analyses over 11,000 urban agglomerations and 300,000 tall buildings to explore the effect of height restric...Read more...

CEP discussion paper

Peer effects and worker visibility in team production: evidence from NBA rookies

This paper examines how peer quality impacts early career visibility, productivity, and longterm earnings in team based settings. While high ability peers can generate positive spillovers, they may limit opportunities fo...Read more...

Journal article

Journal of Law, Economics, and Organization:

Business groups as knowledge-based hierarchies of firms

We provide the first worldwide overview of the patterns of hierarchical differentiation across Business Groups (BGs), highlighting the coexistence of different hierarchical shapes. We show how the different shapes can ar...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...

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...

CEP report

Road to recovery: Self-employed on the mend?

The eighth LSE-CEP survey of the self-employed shows weekly hours of the self-employed are now seeing some signs of recovery, compared with the last data collection in June 2023. The positive increase in work hours is tr...Read more...

Journal article

Transactions of the Institute of British Geographers:

Finding stars: mapping the geography of the world's scientific elites

This paper presents the first systematic city-level mapping of global scientific talent, analysing the top 200,000 star scientists across 3635 cities worldwide annually between 2019 and 2023. We use a novel Knowledge Gen...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

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...

Chapter

Immigration, diversity and innovation in cities and regions

in A Research Agenda for Migration and Innovation

This chapter investigates the interplay between immigrant diversity and innovation, emphasizing the urban and regional dimensions where these effects are most pronounced. Cities and urban areas are pivotal to the generat...Read more...

CentrePiece article

Return innovation: how migration shapes diffusion of new technologies

Novel products, processes and technologies are important drivers of economic growth. Davide Coluccia and Gaia Dossi show how migrants from Britain to the United States in the late 19th and early 20th century not only too...Read more...

Blog

Vox EU:

Hiroshima: Resilience of city structure after the atomic bombing

Cities have faced a host of shocks throughout history, including earthquakes, hurricanes, coastal flooding, and storm surges, as well as wartime destruction, such as in the current Russia-Ukraine conflict. This column lo...Read more...

Blog

Financial Times:

How should central banks respond to US tariffs? (Podcast)

US tariffs have sent financial markets into a frenzy in recent weeks, but how much should central bankers be taking trade into account when setting monetary policy? To find out, Soumaya Keynes sits down with Bank of Engl...Read more...

CEP discussion paper

Willingness to pay for workplace amenities

We develop a revealed preference approach to measure the value of workplace amenities by analyzing how variation in non-wage job attributes affects excess mass in the earnings distribution at budget discontinuities. The ...Read more...

CEP discussion paper

Firm-level technology adoption in times of crisis

We investigate the diffusion of frontier technologies across German firms before and during the Covid-19 crisis. Our analysis tracks the nature, timing, and pandemic-related motivations behind technology investments, usi...Read more...

CEP discussion paper

Teaching happiness (economics) in your dismal-science courses

This paper discusses ideas for incorporating the study of happiness and other measures of self-reported or subjective well-being (SWB) into undergraduate economics courses. We begin by motivating why students of economic...Read more...

Journal article

American Economic Review:

Fighting climate change: international attitudes toward climate policies

This paper explores global perceptions and understanding of climate change and policies, examining factors that influence support for climate action and the impact of different types of information. We conduct large-scal...Read more...

Journal article

LSE Public Policy Review:

Explaining variation in child penalties: the role of gender norms and policies

This paper contributes to understanding global variation in child and marriage penalties by focusing on the role of patriarchal control, gender norms, and public policies. We introduce a new measure of gender norms, the ...Read more...

CEP discussion paper

Productivity, matchability and intermediation in production networks

This paper examines intermediation in production networks to unpack the firm attributes and matching costs that govern firm-to-firm networks and the gains from trade. Exploiting rich customs data for Chile, we show that ...Read more...

Journal article

Journal of Human Resources :

Where versus what: college value-added and returns to field of study in further education

We use administrative records on educational and labor market trajectories to estimate the value-added of English further education colleges in terms of educational and labor market outcomes and earnings returns to diffe...Read more...

Blog

LSE Euro PP:

A new measure of quality of life explains why people like living in bigger cities

People like to live in certain places, even when higher wages are on offer elsewhere. Gabriel Ahlfeldt, Fabian Bald, Duncan Roth and Tobias Seidel show that once you take into account people's preferences, large cities o...Read more...

Chapter

WELLBY

in Elgar Encyclopedia of Behavioural and Experimental Economics

The WELLBY is a measure of individual subjective wellbeing, as judged by individuals themselves, capturing both the quality of life and the length of life. We outline its use for measuring social progress and for social ...Read more...

CEP discussion paper

Large-scale land acquisitions: Trees, trade and structural change

Large-scale land acquisitions are a key component of agricultural foreign direct investment. In 2023 alone, nearly 6% of the world's arable land was acquired globally. This paper examines their impact on agricultural pro...Read more...

CEP discussion paper

Paper tiger? Chinese science and home bias in citations

We investigate the phenomenon of home bias in scientific citations, where researchers disproportionately cite work from their own country. We develop a benchmark for expected citations based on the relative size of count...Read more...

CEP discussion paper

Return innovation: the knowledge spillovers of the British migration to the United States, 1870-1940

This paper documents that out-migration promotes the diffusion of innovation from the country of destination to the country of origin of migrants. Between 1870 and 1940, nearly four million British immigrants settled in ...Read more...

Journal article

Industrial and Corporate Change:

More or the same? Radical, disruptive, discontinuous, and breakthrough innovation

This paper addresses the conceptual ambiguity in the literature on exceptional innovations, labeled ?radical,? ?disruptive,? ?breakthrough,? or ?discontinuous.? A bibliometric analysis of 4407 articles shows that differe...Read more...

Journal article

American Economic Review:

Five facts about MPCs: evidence from a randomized experiment

We present five facts from an experiment on the marginal propensity to consume (MPC) out of transitory transfers: (1) the one-month MPC on a cash-like transfer is 23 percent; (2) it is substantially higher (61 percent) o...Read more...

Journal article

Research Policy:

Who stands on the shoulders of Chinese (scientific) giants? Evidence from chemistry

China?s rise in science has the potential to push forward the knowledge frontier, but mere production of knowledge does not guarantee that others are able to build on it. We ask whether chemistry research originating fro...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

Measuring quality of life under spatial frictions

Using a quantitative spatial model as a data-generating process, we explore how spatial frictions affect the measurement of quality of life. We find that under a canonical parameterization, mobility frictions - generated...Read more...

Chapter

Crime and the labor market

in Handbook of Labor Economics

The economics of crime has emerged as a critical field over the past 30 years, with economists increasingly exploring the causes and consequences of criminal behavior. This chapter surveys key contributions and developme...Read more...

Journal article

Oxford Review of Economic Policy:

Ethnic minority and migrant pay gaps over the life-cycle

It is well-known that ethnic minority and migrant workers have lower average pay than the White UK-born workforce. However, we know much less about how these gaps vary over the life-cycle because of data limitations. We ...Read more...

CEP discussion paper

Transitional costs and the decline in coal: worker-level evidence

Workers' outside options play a central role in determining the transitional costs of labor demand shocks. Using comprehensive administrative data, we examine the worker-level effects of the decline of coal - a regionall...Read more...

CEP discussion paper

Crime and the labor market

The economics of crime has emerged as a critical field over the past 30 years, with economists increasingly exploring the causes and consequences of criminal behavior. This chapter surveys key contributions and developme...Read more...

Journal article

International Economic Review:

Productive robots and industrial employment: the role of national innovation systems

In a model with robots, automatable and non-automatable production, we study robot-labor substitutions and show how they are influenced by a country's "innovation system". Substitution depends on demand and production el...Read more...

Blog

Promarket:

Does Domestic Competition Help EU Firms Compete Abroad?

In a survey of nearly 400 European firms that export abroad, Elena Argentesi, Livia De Simone, Stephan Paetz, Vincenzo Scrutinio find that most firms believe that competition forces them to produce cheaper and higher qua...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

Valuing consumption services as technology transforms accessibility: Evidence from Beijing

Home delivery reduced the value of cities as locations to access variety in durable consumption goods. Food delivery services (FDS) are doing the same for restaurants. Home-streaming of sports or home-delivered restauran...Read more...

Blog

Vox EU:

The economics of organisational strategy

Many of today's global problems, such as sustainability, technology, skills, and diversity can only be solved by organisations. This column argues that more work is needed to understand strategic management by firms, how...Read more...

Blog

Vox Talks (podcast):

The economics of strategy (podcast)

Organisations don't just provide employment: they solve, or attempt to solve, important problems in our society. Organizational economics has made some impressive strides in recent years to show what choices organisation...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...

Blog

The Rest is Money (podcast):

Bank of England Economist: Interest rates must be cut (podcast)

Economist and external member of the Bank of England's Monetary Policy Committee, Swati Dhingra talks to Robert and Steph about why she thinks the time has come to lower Bank Rate, the interest rate set by the Bank of En...Read more...

CEP discussion paper

Production function estimation using subjective expectations data

Standard proxy methods for estimating production functions in the Olley and Pakes (1996) tradition require assumptions on input choices. We introduce a new method that exploits (increasingly available) data on firms' exp...Read more...

Journal article

The Economic Journal:

Personnel management and school productivity: evidence from India

This paper uses new data to study school management and productivity in India. We report five main results. First, management quality in public schools is low, and -2 standard deviations below high-income countries with ...Read more...

Journal article

Critical Sociology:

A popular backlash against globalization?

Is there a popular backlash against globalization? When did it start and in which forms? What do we know about its causes? We address these questions in the context of advanced democracies. We see the `globalization back...Read more...

Journal article

AEA Papers and Proceedings:

The changing nature of pollution, income, and environmental inequality in the United States

This paper uses tax records linked to administrative Census data and high-resolution measures of air pollution exposure (PM2.5) to study the evolution of the Black-White pollution exposure gap since 1984. We decompose ch...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...

CEP discussion paper

Accounting for the evolution of China's production and trade patterns

This paper studies the evolution of China's production and trade patterns during its integration into the global economy. We document and explain new facts concerning changes in production and exports at the industry and...Read more...

Journal article

Annual Review of Economics:

Industrial policy and the great divergence

We discuss recent work evaluating the role of the government in shaping the economy during the long nineteenth century, a practice we refer to as industrial policy. States deployed a vast variety of different policies ai...Read more...

Journal article

Journal of the European Economic Association :

Formation of college plans: expected returns, preferences and adjustment process

We exploit a large exogenous shock to study the formation, and updating, of educational plans, and to examine how these plans ultimately impact later educational attainment. Using novel, longitudinal, microdata on cohort...Read more...

Journal article

The Economic Journal:

Immigration, female labour supply and local cultural norms

We study the local evolution of female labour supply and cultural norms in West Germany in reaction to the sudden presence of East Germans who migrated to the West after reunification. These migrants grew up with high ra...Read more...

Journal article

The Economic Journal:

Commuting for crime

People care about crime, with the spatial distribution of both actual and perceived crime affecting the amenities from living in different areas and residential decisions. The literature finds that crime tends to happen ...Read more...

Journal article

Regional Studies:

Global production networks meets evolutionary economic geography

Two of the canonical approaches in regional studies are global production networks (GPNs) and evolutionary economic geography (EEG). Recent geopolitical and economic events have shown the importance of both theories in e...Read more...

CentrePiece article

How much is your time worth?

Wages indicate how much people want for their time at work, but how can we find out what value they place on time spent doing other things? Christian Krekel and George MacKerron analyse over two million responses to a sm...Read more...

Journal article

Journal of the European Economic Association:

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...

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...

Journal article

Journal of Environmental Psychology:

Working memory and fluid intelligence are differentially related to categories of urban fabric in older adults: Results from the Berlin aging study

Urbanization is Globally increasing at a rapid rate but its consequences for mental health, including cognitive functioning, are not well understood. In particular, little is known about the effects of different morpholo...Read more...

CEP discussion paper

Estimating the longevity of electric vehicles: what do 300 million MOT test results tell us?

Knowing how long the average vehicle remains roadworthy before being scrapped is a crucial input into life cycle assessment (LCA) and total cost of ownership (TCO) studies of different vehicle powertrains. This study lev...Read more...

Journal article

PLoS ONE :

Access to digital finance: Equity crowdfunding across countries and platforms

Financing entrepreneurship spurs innovation and economic growth. Digital financial platforms that crowdfund equity for entrepreneurs have emerged globally, yet they remain poorly understood. We model equity crowdfunding ...Read more...

Journal article

AEA Papers and Proceedings:

Parenthood and academic career trajectories

Women continue to be underrepresented in the field of economics, especially among permanent faculty. As parenthood is an important driver of gender inequality in the labor market, we study the impact of children on the a...Read more...

Journal article

Research Policy:

A new dataset to study a century of innovation in Europe and in the US

Innovation is an important driver of potential growth but quantitative evidence on the dynamics of innovative activities in the long-run are hardly documented due to the lack of data, especially in Europe. In this paper,...Read more...

Journal article

Research in Labor Economics:

Effort at work and worker well-being

This chapter analyzes detailed 24-hour diary data from the United States to provide evidence on the relationship between workers? effort and well-being while at work. In doing so, we first measure workers? effort in term...Read more...

Journal article

The Review of Economic Studies:

A theory of falling growth and rising rents

Growth has fallen in the U.S. amid a rise in firm concentration. Market share has shifted to low labour share firms, while within-firm labour shares have actually risen. We propose a theory linking these trends in which ...Read more...

Journal article

American Economic Review :

The impact of regulation on innovation

We present a framework that can be used to assess the equilibrium impact of regulation on endogenous innovation with heterogeneous firms. We implement this model using French firm-level panel data, where there is a sharp...Read more...

CEP discussion paper

Industrial policy and the great divergence

We discuss recent work evaluating the role of the government in shaping the economy during the long 19th century, a practice we refer to as industrial policy. We show that states deployed a vast variety of different poli...Read more...

CEP Covid-19 analysis

The self-employment trap?

The seventh LSE-CEP survey of the self-employed was undertaken in June 2023. The results revealed that the self-employed are still in the doldrums and their incomes and activity have not resumed to pre-pandemic levels. T...Read more...

Government consultation

Bank of England Monetary Policy Reports

The Bank of England publishes a Monetary Policy Report four times a year. After publication, the Treasury Committee holds sessions with the Governor of the Bank of England and members of the Monetary Policy Committee to ...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 discussion paper

Back to Edgeworth? Estimating the value of time using hedonic experiences

Following early economist Francis Y. Edgeworth's proposal to measure people's hedonic experiences as they go about their daily lives, we use a smartphone app that surveyed a panel of 30; 928 individuals UK-wide over seve...Read more...

Journal article

Journal of Urban Economics:

The long shadow of local decline: birthplace economic adversity and long-term individual outcomes in the UK

Does growing up in a high-economic adversity area matter for individual economic, cultural, and political views? Despite a significant focus upon the effect of birthplace on economic outcomes, there is less evidence on h...Read more...

Journal article

Journal of Human Resources:

Parental education and the responses to higher SAT scores

Using discontinuities within the Swedish SAT system, we study the causal impact of additional admission opportunities on participation in higher education among high-ability students. Students with low-educated parents w...Read more...

Journal article

AEA Papers and Proceedings:

The local labor market effects of modern manufacturing capital: evidence from France

Using an event study methodology and comprehensive micro data from the French manufacturing sector, we analyze the local labor market effects of investments in modern manufacturing capital, including modern automation te...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...

CEP discussion paper

Who stands on the shoulders of Chinese (scientific) giants? Evidence from chemistry

China's rise in science has the potential to push forward the knowledge frontier, but mere production of knowledge does not guarantee that others are able to build on it. We ask whether chemistry research originating fro...Read more...

Journal article

International Review of Economics and Finance :

Bank default risk propagation along supply chains: evidence from the UK

How does banks' default risk affect the probability of default of non-financial businesses? The literature has focused on the banks' direct corporate customers. It fails to consider the role of supply chain relationships...Read more...

CentrePiece article

Why have energy bills been rising?

The UK has been particularly exposed to the global energy crisis - partly due to the country's dependence on gas for heating and electricity generation, and partly its poorly insulated housing stock. After predictions th...Read more...

CEP Covid-19 analysis

From Covid-19 to collapse? The self-employed and the cost of living crisis

The sixth LSE-CEP survey of the self-employed was undertaken in November 2022 and found that the downward trend in income levels of the self-employed reported in May 2022 has continued. The cost of living crisis is hitti...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...

CEP discussion paper

(In)convenient stores? What do policies pushing stores to town centres actually do?

England's Town Centre First Policy, introduced in 1996, restricted the opening of new retail and other 'traditional town centre activities' to 'Town Centre' (TC) locations. The aim was to halt the decay of high streets. ...Read more...

Journal article

Journal of Political Economy:

The comparative advantage of firms

Resource-based theories propose that firms grow by diversifying into products that use common capabilities. We provide evidence for common-input capabilities, using a policy that removed entry barriers in input markets t...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...

CEP discussion paper

The wage elasticity of recruitment

One of the factors affecting the market power of employers is the extent to which higher wages makes recruitment easier. There is very little research on this. This paper presents a methodology for estimating the wage el...Read more...

Journal article

The Economic Journal:

Teacher effectiveness and classroom composition: understanding match effects in the classroom

This paper provides evidence of match effects in the teacher labour market by considering how teacher effectiveness varies by classroom composition. We combine random assignment of teachers with rich measures of teaching...Read more...

Blog

LSE British Politics and Policy :

Why have energy bills in the UK been rising?

The UK is particularly exposed to the energy crisis sweeping across the world. After predictions that annual household bills were due to rise from around #1,000 to #3,500 in October 2022, the government announced it woul...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...

Blog

Economics Observatory:

Is inflation avoidable?

Inflation in the UK is at a 40 year high, with prices rising across the economy. Shoppers can look for cheaper products, but many are already buying the lowest-cost options and the prices of those bargains are going up f...Read more...

Blog

Economics Observatory:

Are wages keeping up with the cost of living?

There is currently much debate about whether pay should keep pace with either productivity or inflation. How we measure price growth has a big influence on what we observe, shedding light on how different parts of the ec...Read more...

Journal article

Political Behaviour:

Does the number of candidates increase turnout? Causal evidence from two-round elections

A long-lasting question in comparative politics is whether the number of candidates/parties increases turnout. Existing observational studies on the topic find mixed results. We thus apply a regression discontinuity desi...Read more...

CEP Covid-19 analysis

Covid-19 and the self-employed - A two year update

The fifth LSE-CEP survey of the self-employed of May 2022 provides an up to date picture of how Covid-19 and its aftermath keep affecting the self-employed. The findings show that, although working on average a little mo...Read more...

Journal article

Nature Communications:

The effect of Covid certificates on vaccine uptake, health outcomes, and the economy

In the COVID-19 pandemic many countries required COVID certificates, proving vaccination, recovery, or a recent negative test, to access public and private venues. We estimate their effect on vaccine uptake for France, G...Read more...

Journal article

Journal of Political Economy:

The origins of firm heterogeneity: a production network approach

We explore firm size heterogeneity in production networks. In comprehensive data for Belgium, firms with more customers have higher total sales but lower sales and lower market shares per customer. Downstream factors, es...Read more...