Results

Blog

LSE Business Review:

UTOPIA and the City: the future of work in financial and professional services

In the midst of a reorganisation of work caused by the pandemic, there is no one-size-fits-all arrangement and employers are battling to find the right mix between office and home working. To learn more about how to get ...Read more...

CEP discussion paper

Cultural homophily and collaboration in superstar teams

One may reasonably think that cultural preferences affect collaboration in multinational teams in general, but not in superstar teams of professionals at the top of their industry. We reject this hypothesis by creating a...Read more...

Blog

VoxEU:

The human side of productivity: uncovering the role of skills and diversity for firm productivity

Rising dispersion in productivity across firms has focused attention on the drivers of superior performances of a minority of firms at the 'productivity frontier' and disappointing performances of the remaining 'producti...Read more...

Blog

LSE Business Review:

Inclusion in the workplace: how not to snatch defeat from the jaws of victory

Sitting at a focal point between east and west, Singapore has a nuanced and multi-layered cultural landscape that exemplify the importance of context for behavioural interventions to promote diversity and inclusion (D&I)...Read more...

CEP discussion paper

Firm export responses to tariff hikes

We study how firms react to unexpected increases in import tariffs. We identify our results from a sudden removal of American preferential tariffs applied on Argentine imports under the Generalized System of Preferences,...Read more...

Journal article

Journal of Economic Behavior and Organization:

Job quality and workplace gender diversity in Europe

We here consider the relationship between workplace gender measures and employees’ perceived job quality, where the former cover both the gender mix of workers with the same job title and the gender of the immediate boss...Read more...

Journal article

Proceedings of the National Academy of Sciences of the United States of America:

Ethnolinguistic diversity and urban agglomeration

This article shows that higher ethnolinguistic diversity is associated with a greater risk of social tensions and conflict, which, in turn, is a dispersion force lowering urbanization and the incentives to move to big ci...Read more...

CEP discussion paper

Immigrant inventors and diversity in the age of mass migration

A possible unintended but damaging consequence of anti-immigrant rhetoric, and the policies it inspires, is that they may put high-skilled immigrants off more than low-skilled ones at times when countries and businesses ...Read more...

Journal article

Review of Industrial Organization:

The Gravity of Intermediate Goods

One of the puzzles of the gravity literature is the persistent effect of distance on trade flows, despite the dramatic fall in trade costs during the last few decades (Disdier and Head in Rev Econ Stat 90(1):37–48, 2008)...Read more...

CEP discussion paper

Environmental preferences and technological choices: is market competition clean or dirty?

We investigate the effects of consumers' environmental concerns and market competition on firms' decisions to innovate in 'clean' technologies. Agents care about their consumption and environmental footprint; firms pursu...Read more...

Journal article

Quarterly Journal of Economics:

Measuring Aggregate Price Indices with Taste Shocks: Theory and Evidence for CES Preferences

We develop an approach to measuring the cost of living for CES preferences that treats demand shocks as taste shocks that are equivalent to price shocks. In the presence of relative taste shocks, the Sato-Vartia price in...Read more...

Journal article

The Quarterly Journal of Economics:

The unequal gains from product innovations: Evidence from the U.S. Retail sector

This article examines how product innovations led to inflation inequality in the United States from 2004 to 2015. Using scanner data from the retail sector, I find that annual inflation for retail products was 0.661 (std...Read more...

Journal article

Review of Economic Studies:

Carry-along trade

Large multi-product firms dominate international trade flows. This paper documents new facts about multi-product manufacturing exporters that are not easily reconciled with existing multi-product models. Using novel link...Read more...

Journal article

Journal of Political Economy:

Monopolistic competition and optimum product diversity under firm heterogeneity

Empirical work has drawn attention to the high degree of productivity differences within industries and their role in resource allocation. This paper examines the allocational efficiency of such markets. Productivity dif...Read more...

CEP discussion paper

Managing trade: evidence from China and the US

We study how management practices shape export performance using matched production-trade-management data for Chinese and American firms and a randomized control trial in India. Better managed firms are more likely to ex...Read more...

Journal article

Research in Economics:

Monopolistic competition and optimum product selection: Why and how heterogeneity matters

After some decades of relative oblivion, the interest in the optimality properties of monopolistic competition has recently re-emerged due to the availability of an appropriate and parsimonious framework to deal with fir...Read more...

CEP discussion paper

Product diversification in Indian manufacturing

The presence of global value chains challenges the neoclassical idea of the firm since it implies firms are not monolithic but are rather interdependent on the larger economic environment. Examining establishments, the s...Read more...

CEP discussion paper

The hospital as a multi-product firm: the effect of hospital competition on value-added indicators of clinical quality

There is increasing international interest in using Patient Reported Outcome Measures (PROMs) to assess health care provider performance. PROMs are a fundamental advance on existing indicators of health care quality in t...Read more...

CEP discussion paper

Multi-product firms and product quality

We examine the global operations of multi-product firms. We present a flexible heterogeneous-firm trade model with either limited or strong scope for quality differentiation. Using customs data for China during 2002-2006...Read more...

CEP discussion paper

Diversity and neighbourhood satisfaction

This paper investigates the impact of ethnic diversity on individuals’ overall satisfaction with and other aspects of their neighbourhood. It uses panel data and a variety of empirical methods to control for potential en...Read more...

Journal article

Environment and Planning A:

Ethnic diversity and business performance: Which firms? Which cities?

A growing literature examines how ethnic diversity influences economic outcomes in cities and inside firms. However, firm–city interactions remain more or less unexplored. Ethnic diversity may help firm performance by in...Read more...

Journal article

Journal of International Economics:

Multi-product firms and product quality

We examine the global operations of multi-product firms. We present a flexible heterogeneous-firm trade model with either limited or strong scope for quality differentiation. Using customs data for China during 2002–2006...Read more...

CEP discussion paper

Product switching and the business cycle

This paper explores role of product adding and dropping within manufacturing firms over the business cycle. While a substantial body of work has explored the importance of the extensive margins of firm entry and exit in ...Read more...

CEP discussion paper

Global firms

Research in international trade has changed dramatically over the last twenty years, as attention has shifted from countries and industries towards the firms actually engaged in international trade. The now-standard hete...Read more...

CEP discussion paper

Swimming upstream: input-output linkages and the direction of product adoption

Multiproduct firms dominate production, and their product turnover contributes substantially to aggregate growth. Firms continually adapt their product mix, but what determines which products firms expand into? Theories ...Read more...

Journal article

The Economic Journal:

Income and Population Growth

Do populations grow as countries become richer? In this study we estimate the effects on population growth of shocks to national income that are plausibly exogenous and unlikely to be driven by technological change. For ...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...

CEP discussion paper

Immigration, Diversity and the Labour Market Outcomes of Native Workers: Some Recent Developments

This brief essay provides a selective discussion of how in recent years economists in the neoclassical tradition have addressed the questions whether and how immigration affects native workers’ labour market outcomes. In...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Immigrant Diversity and Economic Development in Cities: A Critical Review

This paper reviews a growing literature investigating how ‘immigrant’ diversity relates to urban economic performance. As distinct from the labor-supply focus of much of the economics of immigration, this paper reviews w...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Cultural Diversity, Cities and Innovation: firm Effects or City Effects?

Growing cultural diversity is seen as important for innovation. Research has focused on two potential mechanisms: a firm effect, with diversity at the firm level improving knowledge sourcing or ideas generation, and a ci...Read more...

CEP discussion paper

Monopolistic Competition and Optimum Product Selection: Why and How Heterogeneity Matters

After some decades of relative oblivion, the interest in the optimality properties of monopolistic competition has recently re-emerged due to the availability of an appropriate and parsimonious framework to deal with fir...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Top Team Demographics, Innovation and Business Performance: Findings from English Firms and Cities 2008-9

High levels of net migration to the UK have contributed to growing cultural diversity, and researchers are turning their attention to the long-term effects of diversity on productivity. Yet little is known about these is...Read more...

CEP discussion paper

On the Measurement of Trade Costs: Direct vs. Indirect Approaches to Quantifying Standards and Technical Regulations

In this article, we review the literature on the measurement of trade costs in international trade with a special emphasis on nontariff measures and in particular on standards and technical regulations. We distinguish ‘d...Read more...

CEP discussion paper

Market Size, Competition, and the Product Mix of Exporters

We build a theoretical model of multi-product firms that highlights how competition across market destinations affects both a firm's exported product range and product mix. We show how tougher competition in an export ma...Read more...

CEP discussion paper

Intermediaries in International Trade: Direct Versus Indirect Modes of Export

This paper examines the factors that give rise to intermediaries in exporting and explores the implications for trade volumes. Export intermediaries such as wholesalers serve different markets and export different produc...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Ethnic Inventors, Diversity and Innovation in the UK: Evidence from Patents Microdata

Ethnic inventors play important roles in US innovation systems, especially in high-tech regions like Silicon Valley. Do ‘ethnicity-innovation’ channels exist elsewhere? This paper investigates, using a new panel of UK pa...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Does Cultural Diversity Help Innovation in Cities: Evidence from London Firms

London is one of the world’s major cities, and one of its most diverse. London’s cultural diversity is widely seen as a social asset, but there is little hard evidence on its importance for the city’s businesses. Theory ...Read more...

SERC/Urban and Spatial Programme Discussion Paper

The Economics of Super-Diversity: Findings from British Cities, 2001-2006

British cities have a surprisingly long history of cultural diversity. Recently they have become significantly more multicultural, with ‘super-diversity’ emerging in many urban neighbourhoods. Public interest in these ch...Read more...

SERC/Urban and Spatial Programme Discussion Paper

The Long Term Impacts of Migration in British Cities: Diversity, Wages, Employment and Prices

British cities are becoming more culturally diverse, with migration a main driver. Is this growing diversity good for urban economies? This paper explores, using a new 16-year panel of UK cities. Over time, net migration...Read more...

CEP discussion paper

Trade as an Engine of Creative Destruction: Mexican Experience with Chinese Competition

This paper exploits the surge in Chinese exports from 1994 to 2004 as a natural experiment to evaluate the effects of a unilateral low wage trade and competition shock to producers in Mexico. We find that this shock caus...Read more...

CEP discussion paper

The Margins of US Trade

Recent research in international trade emphasizes the importance of firms’ extensive margins for understanding overall patterns of trade as well as how firms respond to specific events such as trade liberalization. In th...Read more...

CEP discussion paper

Product Market Deregulation and the U.S. Employment Miracle

We consider the dynamic relationship between product market entry regulation and equilibrium unemployment. The main theoretical contribution is combining a job matching model with monopolistic competition in the goods ma...Read more...

CEP discussion paper

Multi-Product Firms and Trade Liberalization

This paper develops a general equilibrium model of multi-product firms and analyzes their behavior during trade liberalization. Firm productivity in a given product is modeled as a combination of firm-level “ability” and...Read more...

CEP discussion paper

Multi-Product Firms and Product Switching

This paper examines the frequency, pervasiveness and determinants of product switching among U.S. manufacturing firms. We find that two-thirds of firms alter their mix of five-digit SIC products every five years, that on...Read more...

CEP discussion paper

Products and Productivity

Firms' decisions about which goods to produce are often made at a more disaggregate level than the data observed by empirical researchers. When products differ according to production technique or the way in which they e...Read more...

CEP discussion paper

How Does Product Market Competition Shape Incentive Contracts?

This paper studies the effect of product market competition on the explicit compensation packages that firms offer to their CEOs, executives and workers. We use a large sample of both traded and non-traded UK firms and e...Read more...

CEP discussion paper

Product Market Competition Returns to Skill and Wage Inequality

This paper shows that increasing product market competition can have a direct impact on the employment relationship and on wage inequality. I develop a simple model in which an increase in product market competition incr...Read more...

CEP discussion paper

Executive Compensation and Product Market Competition

The aim of this paper is to study the effects of product market competition on the explicit compensation packages that firms offer to their executives. In order to measure the net effect of competition we use two differe...Read more...

CEP discussion paper

Product Choice and Product Switching

This paper develops a model of endogenous product selection by firms. The theory is motivated by new evidence we present on the importance of product switching by U.S. manufacturers. Two-thirds of continuing firms change...Read more...

CEP discussion paper

Matching Demand and Supply in a Weightless Economy: Market-Driven Creativity With and Without IPRs

Many cultural products have the same nonrival nature as scientific knowledge. They therefore face identical difficulties in creation and dissemination. One traditional view says market failure is endemic: societies toler...Read more...

CEP discussion paper

Product Standards, Trade Disputes and Protectionism

Trade disputes over national product standards are a growing source of tension in the international trading system. The usual pattern is that a country introduces a new product standard for all sales of a good in its loc...Read more...

CEP discussion paper

Per Capita Income Demand for Variety, and International Trade: Linder Reconsidered

We analyse a monopolistically competitive model of international trade where goods must be consumed in indivisible amounts. The number of varieties that enter a consumer's optimal consumption bundle is increasing in the...Read more...

CEP discussion paper

Nursery Cities: Urban Diversity, Process Innovation and the Life-Cycle of Products

A simple model of process innovation is proposed, where firms learn about their ideal production process by making prototypes. We build around this a dynamic general equilibrium model, and derive conditions under which d...Read more...