Results

Journal article

Review of World Economics:

The changing structure of global value chains and technological change: evidence from the firm-level patent data

This paper explores how changes in the relative position in the Global Value Chains (GVCs) affect firms? innovation activities. The analysis combines matched patent-firm data with information on GVC networks from the OEC...Read more...

CEP discussion paper

Criminal career trajectories

This study analyzes criminal career trajectories using a unique administrative dataset of 230,578 individuals arrested and over 620,000 criminal offenses recorded by Greater Manchester Police between 2008 and 2019. Movin...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

Spillovers from science

Quantifying spillovers from scientific knowledge to technology is important for understanding the social returns to science and for designing policy. A key challenge is how to credit scientific work with the value genera...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...

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...

Journal article

Regional studies:

Can more housing supply improve affordability? A subnational perspective from Portugal

We investigate the impact of housing supply on affordability in rapidly appreciating subnational markets in Portugal. Our spatial econometric model confirms a negative relation between housing stock and prices, yet predi...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

Citizen training and the urban waste footprint

Diverting waste away from and zero waste to landfills are sustainability policy aims of local and national governments around the world, particularly in countries with large waste footprints from rapid consumption growth...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...

Journal article

Journal of International Economics:

Networks in trade - evidence from the legacy of the Hanseatic league

We study trade networks following the decline of the Hanseatic League, using a novel trade data set that covers cities and captains in Northern Europe over 190 years. By the time of its dissolution in 1669, trade on form...Read more...

CEP discussion paper

On the shoulders of giants: financial spillovers in innovation networks

Do markets price knowledge spillovers? We show that patent grants influence the stock returns of firms that are connected through technological knowledge dependencies. Using directed patent citations among publicly liste...Read more...

CEP discussion paper

The global effects of carbon border adjustment mechanisms

Climate change poses a collective action problem: individual countries bear the costs of carbon regulation, while the benefits are shared globally. Carbon border adjustment mechanisms (CBAMs), which are currently being i...Read more...

CEP discussion paper

Multinational networks and trade participation

We provide a novel explanation for the dominance of multinational corporations (MNCs) in international trade: MNC affiliates face lower trade frictions in countries that belong to their parental network. Combining rich a...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...

Journal article

The Econometrics Journal:

Design-based identification with formula instruments: a review

Many studies in economics use instruments or treatments that combine a set of exogenous shocks with other predetermined variables via a known formula. Examples include shift-share instruments and measures of social or sp...Read more...

CEP discussion paper

Can firm subsidies spread growth?

How do firms diffuse resources and do they spillover outside headquarter intensive areas? We show R&D subsidies induce French firms to hire new workers, often in new establishments and commuting zones. Using subsidy indu...Read more...

Journal article

Annals of Economics and Statistics:

Proximity of firms to scientific production

Following Bergeaud et al. (2022), we construct a new measure of proximity between industrial sectors and public research laboratories. Using this measure, we explore the underlying network of knowledge linkages between s...Read more...

CentrePiece article

Do large firms generate positive productivity spillovers?

The potentially negative effects of market concentration on consumers and workers has received much attention, but Mary Amiti, Cedric Duprez, Jozef Konings and John Van Reenen find that big firms can also promote product...Read more...

CEP discussion paper

Proximity of firms to scientific production

Following Bergeaud et al. (2022), we construct a new measure of proximity between industrial sectors and public research laboratories. Using this measure, we explore the underlying network of knowledge linkages between s...Read more...

Journal article

Management Science:

Information spillovers in experience goods competition

Trialing an experience good allows consumers to learn their value for the sampled good and also informs beliefs about their value for similar products. These demand-side information spillovers across products create a re...Read more...

CEP discussion paper

Knowledge spillovers from clean innovation. A tradeoff between growth and climate?

Innovation policy faces a tradeoff between growth and climate objectives when the knowledge spillover externality from clean innovation is low compared to other sectors. To make such a comparison, we use patent data to e...Read more...

CEP discussion paper

FDI and superstar spillovers: evidence from firm-to-firm transactions

Using firm-to-firm transactions, we show that starting to supply a "superstar" firm (large domestic firms, exporters and multinationals) boosts productivity by 8% in the medium-run. Placebos on starting relationships wit...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...

CEP discussion paper

Collective bargaining and spillovers in local labor markets

How does collective bargaining affect the broader wage structure? How are such spillovers transmitted? I present a model where firms with wage-setting power that are not covered by collective bargaining agreements, but a...Read more...

CEP discussion paper

From public labs to private firms: magnitude and channels of R&D spillovers

Introducing a new measure of scientific proximity between private firms and public research groups and exploiting a multi-billion euro financing program of academic clusters in France, we provide causal evidence of spill...Read more...

CentrePiece article

Clean technologies for growth and equity

Public investment in developing energy sources that don?t cause climate change is a strategy for economic growth that could also contribute to the UK?s levelling up agenda, says Ralf Martin. His analysis indicates that s...Read more...

Blog

Vox EU:

Knowledge flows from public labs to private firms

How knowledge spillovers operate between academia and private firms remains an open question. Antonin Bergeaud, Arthur Guillouzouic, Emeric Henry and Clement Malgouyres find strong spillovers through the contracting, mob...Read more...

Journal article

American Economic Journal: Applied Economics:

Neighbors' effects on university enrollment

This paper provides causal evidence that close neighbors signigicantly influence potential applicants' decision to attend university. I create a unique dataset combining detailed geographic information and individual edu...Read more...

CEP discussion paper

Knowledge spillovers from clean and emerging technologies in the UK

The UK government has committed to increase R&D support for clean technologies in an effort to meet its net-zero target by 2050. The opportunity cost of such programs crucially depends on the value of knowledge spillover...Read more...

Journal article

Research Policy :

No inventor is an island: social connectedness and the geography of knowledge flows in the US

Do informal social ties connecting inventors across distant places promote knowledge flows between them? To measure informal ties, we use a new and direct index of social connectedness of regions based on aggregate Faceb...Read more...

Journal article

Small Business Economics:

Soft and hard information in equity crowdfunding: network effects in the digitalization of entrepreneurial finance

As a digital financial innovation, equity crowdfunding (ECF) allows investors to exploit the complementarity of information provision and network effects in a reduced transaction cost environment. We build on the underly...Read more...

Journal article

Management Science:

Stars and brokers: knowledge spillovers among medical scientists

This paper estimates the heterogeneity in peer effects among research scientists in terms of network position. I propose a new measure, brokerage degree, that determines the extent to which a scientist depends on a coaut...Read more...

Blog

VoxEU:

The impact of public employment: evidence from West Germany's post-war capital Bonn

Raising the level of public employment is a frequently used policy instrument to support economically lagging regions. This column evaluates the impact of changes in public employment on private sector activity using the...Read more...

CEP discussion paper

O brother, where start thou? Sibling spillovers on college and major choice in four countries

Family and social networks are widely believed to influence important life decisions but identifying their causal effects is notoriously difficult. Using admissions thresholds that directly affect older but not younger s...Read more...

Journal article

Fiscal Studies:

Have R&D spillovers declined in the 21st century?

Slow growth over the last decade has prompted policy attention towards increasing R&D spending, often via the tax system. We examine the impact of R&D on firm performance, both by the firm's own investments and through p...Read more...

CEP discussion paper

The intellectual spoils of war? Defense R&D, productivity and international spillovers

Abstract We examine the impact of government funding for R&D - and defense-related R&D in particular - on privately conducted R&D, and its ultimate effect on productivity growth. We estimate longitudinal models that rel...Read more...

CEP discussion paper

Should I stay or should I go? Neighbors' effects on university enrollment

This paper investigates whether the decision to attend university depends on university enrollment of close neighbors. I create a unique dataset combining detailed geographic information and educational records from diff...Read more...

CEP discussion paper

Innovation union: costs and benefits of innovation policy coordination

We build a two-region endogenous growth model to analyse the gains from innovation policy cooperation in an economic union. The model is calibrated to two blocks of the EU: the old and new members. R&D subsidy coordinati...Read more...

CentrePiece article

Care homes: effects of the National Living Wage

The National Living Wage, which was introduced in 2016, has substantially raised wages at the bottom of the hourly wage distribution in care homes in England, a sector that employs a large number of low-paid workers. Acc...Read more...

CEP discussion paper

Have R&D spillovers changed?

This paper revisits the results of Bloom, Schankerman, and Van Reenen (2013) examining the impact of R&D on the performance of US firms, especially through spillovers. We extend their analysis to include an additional 15...Read more...

CEP discussion paper

Changing the structure of minimum wages: firm adjustment and wage spillovers

This paper analyses the economic impact of a significant change to the structure of a minimum wage setting policy. The context is the United Kingdom where government mandated an unexpected change in the structure of mini...Read more...

Journal article

Research Policy:

The long-term effect of digital innovation on bank performance: an empirical study of SWIFT adoption in financial services

We examine the impact on bank performance of the adoption of SWIFT, a network-based technological infrastructure and set of standards for worldwide interbank telecommunication. We construct a new longitudinal dataset of ...Read more...

Journal article

Journal of Urban Economics:

Sorting and agglomeration economies in French economics departments

Are agglomeration and peer effects at stake in academic research? To tackle this question, we study how departments? characteristics affect the quantity and quality of academics? publications in economics in France, cont...Read more...

CEP discussion paper

Local and sectoral import spillovers in Sweden

In this paper I investigate the relevance and explore the nature of import spillovers on the firms' decision to start importing using an exceptionally detailed data set on Swedish firms' imports, at the product-level and...Read more...

Journal article

The Journal of Industrial Economics:

Spillovers in space: does geography matter?

Using U.S. firm level panel data we simultaneously assess the contributions to productivity of three potential sources of research and development spillovers: geographic, technological, and product market ("horizontal")....Read more...

SERC/Urban and Spatial Programme Discussion Paper

Spillovers from Immigrant Diversity in Cities

Using comprehensive longitudinal matched employer-employee data for the U.S.,this paper provides new evidence on the relationship between productivity and immigration-spawned urban diversity. Existing empirical work has ...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Moving People with Ideas - Innovation, Inter-regional Mobility and Firm Heterogeneity

This paper looks at the link between inter-regional mobility, innovation and firms? behavioural heterogeneity in their reliance on localised external sources of knowledge. By linking patent data (capturing inventors? int...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Exploring the Geography of China's Airport Networks: A Hybrid Complex-Network Approach

Air networks are normal examples of transportation systems among ubiquitous big data networks in the dynamic nature. This is particularly the case in developing countries with rapid airport network expansions. This paper...Read more...

CEP discussion paper

Fracking growth

This paper estimates the effect of the shale oil and gas boom in the United States on local economic outcomes. The main source of exogenous variation to be explored is the location of previously unexplored shale deposits...Read more...

CEP discussion paper

Foreign direct investment and domestic entrepreneurship: blessing or curse?

This paper explores the effects of foreign direct investment, measured by mergers and acquisitions, on domestic entrepreneurial entry. We use a micro-panel of more than two thousand individuals disaggregated by industry ...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Do Inventors Talk to Strangers? On Proximity and Collaborative Knowledge Creation

This paper investigates how physical, organisational, institutional, cognitive, social, and ethnic proximities between inventors shape their collaboration decisions. Using a new panel of UK inventors and a novel identifi...Read more...

CEP discussion paper

What are the Channels for Technology Sourcing? Panel Data Evidence from German Companies

Innovation processes within corporations increasingly tap into international technology sources, yet little is known about the relative contribution of different types of innovation channels. We investigate the effective...Read more...

CEP discussion paper

Market Leadership Through Technology - Backward Compatibility in the U.S. Handheld Video Game Industry

The introduction of a new product generation forces incumbents in network industries to rebuild their installed base to maintain an advantage over potential entrants. We study if backward compatibility moderates this pro...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...

SERC/Urban and Spatial Programme Discussion Paper

Where is the Economics in Spatial Econometrics?

Spatial econometrics has been criticized by some economists because some model specifications have been driven by data-analytic considerations rather than having a firm foundation in economic theory. In particular this a...Read more...

CEP discussion paper

Seesaw in the Air: Interconnection Regulation and the Structure of Mobile Tariffs

Interconnection rates are a key variable in telecommunications markets. Every call that is placed must be terminated by the network of the receiving party, thus the termination end has the characteristic of an economic b...Read more...

CEP discussion paper

Spreading the Word: Geography, Policy and Knowledge Spillovers

Using new data on citations to university patents and scientific publications, we study how geography affects university knowledge spillovers. Citations to patents decline sharply with distance up to about 150 miles and ...Read more...

CEP discussion paper

The long-term effect of digital innovation on bank performance: an empirical study of SWIFT adoption in financial services

We examine the impact on bank performance of the adoption of SWIFT, a network-based technological infrastructure for worldwide interbank telecommunication. We construct a new longitudinal dataset of 6,848 banks in 29 cou...Read more...

CEP discussion paper

Spillovers in Space: Does Geography Matter?

Using US firm level panel data we simultaneously assess the contributions to productivity of three potential sources of research and development spillovers: geographic, technological, and product market (?horizontal?). T...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Stars and Comets: An Exploration of the Patent Universe

The analysis of patent and citation data has become a popular source of evidence on localized knowledge spillovers and innovation. Nevertheless, an aspect has been overlooked: the patent distribution across inventors is ...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Spillover and Backward Linkage Effects of FDI: Empirical Evidence for the UK

Recent work (including that of the author) on the impact of FDI has been based on microlevel (i.e. firms, establishments or plants) data, since this allows much greater control when examining such issues as whether FDI p...Read more...

CEP discussion paper

Peer Effects in Science - Evidence from the Dismissal of Scientists in Nazi Germany

This paper analyzes peer effects among university scientists. Specifically, it investigates whether the number of peers and their average quality affects the productivity of researchers in physics, chemistry, and mathema...Read more...

CEP discussion paper

Growth and the Quality of Foreign Direct Investment: Is All FDI Equal?

In this paper we distinguish different ?qualities? of FDI to re-examine the relationship between FDI and growth. We use `quality? to mean the effect of a unit of FDI on economic growth. However this is difficult to estab...Read more...

CEP discussion paper

Is Distance Dying at Last? Falling Home Bias in Fixed Effects Models of Patent Citations

We examine the ?home bias? of international knowledge spillovers as measured by the speed of patent citations (i.e. knowledge spreads slowly over international boundaries). We present the first compelling econometric evi...Read more...

CEP discussion paper

Strategic Patenting and Software Innovation

Strategic patenting is widely believed to raise the costs of innovating, especially in industries characterised by cumulative innovation. This paper studies the effects of strategic patenting on R&D, patenting and market...Read more...

CEP discussion paper

Competing Technologies in the Database Management Systems Market

In this paper, we study the dynamics of the market for Database Management Systems (DBMS), which is commonly assumed to possess network effects and where there is still some viable competition in our study period, 2000 ?...Read more...

CEP discussion paper

Basic Research and Sequential Innovation

The commercial value of basic knowledge depends on the arrival of follow-up developments mostly from outside the boundaries of the inventing firm. Private returns would depend on the extent the inventing firm internalize...Read more...

CEP discussion paper

Knowledge Flow and Sequential Innovation: Implications for Technology Diffusion, R&D and Market Value

It is shown that spillovers can enhance private returns to innovation if they feed back into the dynamic research of the original inventor (Internalized spillovers), but will always reduce private returns, if the origina...Read more...

CEP discussion paper

The Growth of Network Computing: Quality Adjusted Price Changes for Network Servers

In this paper we investigate the evolution of quality adjusted prices for servers motivated by two facts. First, the productivity acceleration in the US economy since the mid 1990s is closely linked to spread of informat...Read more...

CEP discussion paper

Identifying Technology Spillovers and Product Market Rivalry

The impact of R&D on growth through spillovers has been a major topic of economic research over the last thirty years. A central problem in the literature is that firm performance is affected by two countervailing ?spill...Read more...

CEP discussion paper

How Special is the Special Relationship? Using the Impact of US R&D Spillovers on UK Firms as a Test of Technology Sourcing

How much does US-based R&D benefit other countries and through what mechanisms? We test the 'technology sourcing' hypothesis that foreign research labs located on US soil tap into US R&D spillovers and improve home count...Read more...

CEP discussion paper

Is There a Market for Work Group Servers? Evaluating Market Level Demand Elasticities Using Micro and Macro Models

This paper contains an empirical analysis demand for ?work-group? (or low-end) servers. Servers are at the centre of many US and EU anti-trust debates, including the Hewlett-Packard/Compaq merger and investigations into ...Read more...

CEP discussion paper

Foreign Ownership and Productivity: New Evidence from the Service Sector and the R&D Lab

This paper examines the relationship between foreign ownership and productivity, paying particular attention to two issues neglected in the existing literature ? the role of multinationals in service sectors and the impo...Read more...

CEP discussion paper

The 'Network Economy' and Models of the Employment Contract: Psychological, Economic and Legal

The emergence of the so-called ?network economy? and the development of project-based work pose a fundamental challenge to established methods of regulating the employment relationship. There appears to be an unsatisfied...Read more...

CEP discussion paper

Productivity Convergence and Foreign Ownership at the Establishment Level

This paper investigates whether there is convergence in Total Factor Productivity towards the technological frontier at the establishment level. We find convergence to the frontier is statistically and quantitatively imp...Read more...

CEP discussion paper

Spatial Agglomeration Dynamics

This paper develops a model of economic growth and activity locating endogenously on a 3-dimensional featureless global geography. The same economic forces influence simulataneously growth, convergence, and spatial agglo...Read more...

CEP discussion paper

R&D in Developing Countries: What Should Governments Do?

I consider the implications of recent research for R&D policy in developing countries. Typical new growth models, which assume free entry and no strategic behaviour by R&D producers, are less appropriate for policy guida...Read more...