Results

Journal article

Journal of Political Economy:

The economic dynamics of city structure: evidence from Hiroshima's recovery

We provide new theory and evidence on the resilience of the internal city structure after a large shock by analyzing the atomic bombing of Hiroshima. Exploiting newly digitized data, we document that the city structure r...Read more...

CEP discussion paper

Sticky gravity

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

CEP discussion paper

The impact of price ceiling regulation: evidence from the retail gasoline market

We examine the short-run impact of price ceilings on retail gasoline prices in isolated oligopolistic markets, uniquely observing for which stations the regulation was binding and for which it was not. Leveraging daily p...Read more...

Blog

VoxEU:

Why inflation may respond faster to big shocks: The rise of state-dependent pricing

Macroeconomic models distinguish time-dependent pricing, where firms change prices at fixed intervals, from state-dependent pricing, where firms change prices in response to changing demand or costs. This column presents...Read more...

Journal article

Strategy Science:

Strategic confusopoly: evidence from the UK mobile telecommunications market

Can entire markets strategically confuse consumers to raise market prices? Using a detailed data set covering virtually all mobile phone tariffs and their handsets in the United Kingdom between January 2010 and September...Read more...

CentrePiece article

Cultural exception?

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

CentrePiece article

Hiroshima: urban resilience after the atomic bomb

Why the city centre re-emerged from destruction....Read more...

CEP discussion paper

Estimating labour market power: the long and short of it

This paper combines two empirical traditions in the study of employer monopsony power. One tradition estimates static firm labour supply elasticities, while the other focuses on labour market flows, estimating separation...Read more...

Blog

LSE Europp:

Cultural exception? Why regulating the book market contradicts conventional wisdom about competition

Fixing retail book prices is a common policy in Europe, but how does preventing competition affect booksellers and buyers? Christos Genakos, Lorien Sabatino and Tommaso Valletti find that when the ability to offer custom...Read more...

CEP discussion paper

Firm dynamics and growth with soft budget constraints

We develop a model of endogenous growth and firm dynamics with soft budget constraints, where firms differ in their innovation speed and slower firms need additional financing in order to eventually innovate. As creditor...Read more...

Journal article

The Economic Journal:

Service offshoring and export experience

Service inputs significantly influence export costs and firm internationalisation. A new dataset on French firms? participation in global value chains reveals that experienced exporters are more likely to source services...Read more...

CEP discussion paper

Cultural exception? The impact of price regulation on prices and variety in the market for books

Fixed book price (FBP) agreements are a form of resale price maintenance applied to books in various countries. FBP restricts retail price competition with the aim of promoting book production variety. Yet, despite its p...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...

Journal article

Demography:

Population growth, immigration, and labor market dynamics

This article provides a first synthesis of population flows and labor market dynamics across immigrant and native-born populations. We devise a novel dynamic accounting methodology that integrates population flows from t...Read more...

CEP discussion paper

Why delay? Understanding the construction lag, aka the build out rate

We explore the determinants of the speed of residential development after dwelling construction starts. Using a sample of over 140,000 residential developments in England from 1996 to 2015 and employing an instrumental v...Read more...

CEP discussion paper

The economic dynamics of city structure: evidence from Hiroshima's recovery

We provide new theory and evidence on the resilience of the internal city structure after a large shock by analyzing the atomic bombing of Hiroshima. Exploiting newly digitized data, we document that the city structure r...Read more...

Journal article

Journal of Economic Behavior & Organization:

House price expectations

This study examines short-, medium-, and long-run price expectations in housing markets. At the heart of our analysis is the combination of data from a tailored in-person household survey, past sale offerings, satellite ...Read more...

Journal article

The Quarterly Journal of Economics:

Measuring growth in consumer welfare with income-dependent preferences: nonparametric methods and estimates for the United States

How should we measure changes in consumer welfare given observed data on prices and expenditures? This article proposes a nonparametric approach that holds under arbitrary preferences that may depend on observable consum...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...

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

Firming up price inflation

We use data from a large panel survey of UK firms to analyze the economic drivers of price setting since the start of the Covid pandemic. Inflation responded asymmetrically to movements in demand. This helps to explain w...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

Econometrica:

Dynamic spatial general equilibrium

We incorporate forward-looking capital accumulation into a dynamic discrete choice model of migration. We characterize the steady-state equilibrium; generalize existing dynamic exact-hat algebra techniques to incorporate...Read more...

Journal article

Industrial and Corporate Change :

Industry concentration in Europe and North America

This paper presents new evidence on industry concentration at both the country and the world-region levels. It calculates country-level industry concentration measures from the novel data representative of the entire fir...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:

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

Quantitative Economics:

Income dynamics in the United Kingdom and the impact of the Covid-19 recession

In this paper, we use an employer-based survey of earnings and hours to set out the key patterns in UK earnings dynamics from 1975 to 2020, with a particular focus on the most recent recession. We demonstrate that (log) ...Read more...

Blog

Vox EU:

The G7 plan for a price cap on Russian oil: Views of leading economists

To limit the funding of Russia's continued aggravation towards Ukraine and its subsequent impact on soaring energy prices, the G7 countries plan to impose a price cap on purchases of Russian oil and related products. Man...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

The Quarterly Journal of Economics :

The slope of the Phillips Curve: evidence from US States

We estimate the slope of the Phillips curve in the cross section of U.S. states using newly constructed state-level price indices for nontradeable goods back to 1978. Our estimates indicate that the slope of the Phillips...Read more...

CEP discussion paper

Market size, markups and international price dispersion in the cement industry

Prices for several intermediate inputs, including cement, are higher in developing economies - particularly in Africa. Combining data from the International Comparison Program with a global directory of cement plants we ...Read more...

Blog

VoxEU:

Inflation, market power, and price controls: views of leading economists

With sharply rising US inflation prompting debate about the potential role of powerful firms in driving up prices and whether antitrust interventions and/or price controls may be an effective policy response, the IGM For...Read more...

CEP discussion paper

House price expectations

This study examines short-, medium-, and long-run price expectations in housing markets. We derive and test six hypothesis about the incidence, formation, and relevance of price expectations. To do so, we use data from a...Read more...

CEP discussion paper

Population growth, immigration and labour market dynamics

This paper examines the role of population flows on labour market dynamics across immigrant and native-born populations in the United Kingdom. Population flows are large, and cyclical, driven first by the maturation of b...Read more...

CEP discussion paper

Dynamic spatial general equilibrium

We develop a dynamic spatial general equilibrium model with forward-looking investment and migration decisions. We characterize analytically the transition path of the spatial distribution of economic activity in respons...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...

CEP discussion paper

Service offshoring and export experience

Service inputs are a key component of the costs of exporting, and contribute to explain the process of internationalization of firms. A new dataset on the participation of French firms in global value chains reveals that...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...

Journal article

Journal of the European Economic Association:

Organizing global supply chains: input-output linkages and vertical integration

We study how the technological importance of inputs?measured by cost shares?is related to the decision to ?make? or ?buy? that input. Using detailed French international trade data and an instrumental variable approach b...Read more...

CEP Covid-19 analysis

Prices and inflation in a pandemic - a micro data approach

The Covid-19 lockdowns and recession are the most exceptional economic events in living memory and will impact the economy for years to come. One vital channel is via price changes. Price rises and cuts alter real wages,...Read more...

CEP discussion paper

Why have house prices risen so much more than rents in superstar cities?

In most countries ? particularly in supply constrained superstar cities ? house prices have risen much more strongly than rents over the last two decades. We provide an explanation that does not rely on falling interest ...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...

Journal article

Fiscal Studies:

Financing local police spending in England and Wales: fiscal federalism in practice

Since 1995, police forces in England and Wales have been able to raise revenues locally to supplement grants from central government. We analyse the variation across police force areas in locally raised police revenues o...Read more...

Journal article

Journal of Environmental Economics and Management:

Ease vs. noise: long-run changes in the value of transport (dis)amenities

For a complete cost-benefit analysis of durable infrastructures, it is important to understand how the value of non-market goods such as transit time and environmental quality changes as incomes rise in the long-run. We ...Read more...

CEP discussion paper

Industry concentration in Europe and North America

This report presents new evidence on industry concentration trends in Europe and in North America. It uses two novel data sources: representative firm-level concentration measures from the OECD MultiProd project, and bus...Read more...

CEP discussion paper

The best versus the rest: divergence across firms during the global productivity slowdown

We document that labor productivity of the globally most productive firms ? the ?frontier? ? has diverged from all other firms ? the ?rest? ? throughout the 2000s. This divergence remains after controlling for capital in...Read more...

CEP discussion paper

Ease versus noise: long-run changes in the value of transport (dis)amenities

For a complete cost-benefit analysis of durable infrastructures, it is important to understand how the value of non-market goods such as transit time and environmental quality changes as incomes rise in the long-run. We ...Read more...

Journal article

IZA Journal of Labor Economics:

Reallocation and the role of firm composition effects on aggregate wage dynamics

Aggregate wages display little cyclicality compared to what a standard model would predict. Wage rigidities are an obvious candidate, but the existing literature has emphasized the need to take into account the growing i...Read more...

Journal article

International Journal of Industrial Organization:

Flex cars and competition in fuel retail markets

We study how the diffusion of flex (bi-fuel) cars affected competition on ethanol and gasoline retail markets. We propose a model of price competition in which the two fuels become closer substitutes as flex cars penetra...Read more...

Journal article

Urban Studies:

Does the law of one price hold for hedonic prices?

Hedonic prices of locational attributes in urban land markets are determined by a process of spatial arbitrage that is similar to that which underpins the law of one price. If hedonic prices deviate from their spatial eq...Read more...

Journal article

The Economic Journal:

The time value of housing: historical evidence on discount rates

Most London housing transactions involve trading long leases of varying lengths. We exploit this to estimate the time value of housing ? the relationship between the price of a property and the term of ownership ? over a...Read more...

Journal article

CESifo Economic Studies:

Weights to address non-parallel trends in panel difference-in-differences models

Causal inference using the difference-in-differences (DD) method relies on the untestable assumption of parallel counterfactual trends across units that are assigned to different treatments. To facilitate the application...Read more...

Journal article

Journal of Public Economics:

Learning about the prospects for mobility: economic and political dynamics following fundamental policy reform

The political left turn in Latin America, which lagged its transition to liberalized market economies by a decade or more, challenges conventional economic explanations of voting behavior. This paper generalizes the forw...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...

Journal article

The Quarterly Journal of Economics:

Smart and illicit: who becomes an entrepreneur and do they earn more?

We disaggregate the self-employed into incorporated and unincorporated to distinguish between "entrepreneurs" and other business owners. We show that the incorporated self-employed and their businesses engage in activiti...Read more...

Journal article

The Economic Journal:

Take what you can: property rights, contestability and conflict

Weak property rights are strongly associated with underdevelopment, low state capacity and civil conflict. In economic models of conflict, outbreaks of violence require a prize that is both valuable and contestable. This...Read more...

Journal article

IZA Journal of Labor & Development:

Pathways from school to work in the developing world

This paper uses novel micro data from the ILO-STWT surveys to provide evidence on the duration, endpoint, and determinants of the transition from school to work in a sample of 23 low- and middle-income countries around t...Read more...

CentrePiece article

In brief... Fear of fracking: the impact on UK house prices

Shale gas offers the prospect of a low-cost energy future ? but does extracting it invoke anxieties about the possibility of environmental catastrophe among local residents? Research by Steve Gibbons and colleagues detec...Read more...

Journal article

IZA Journal of Labor Policy:

Wage rigidities and business cycle fluctuations: a linked employer-employee analysis

This paper analyses wage dynamics in Italy in the last 25 years with a special focus on the recent recession. Despite the rather rigid Italian institutional setting, using linked employer-employee data we find that wage ...Read more...

SERC/Urban and Spatial Programme Discussion Paper

Fear of Fracking? The Impact of the Shale Gas Exploration on House Prices in Britain

Shale gas has grown to become a major new source of energy in countries around the globe. While its importance for energy supply is well recognized, there has also been public concern over potential risks ? such as dama...Read more...

CEP discussion paper

Aggregate recruiting intensity

We develop a model of firm dynamics with random search in the labor market where hiring firms exert recruiting effort by spending resources to fill vacancies faster. Consistent with micro evidence, in the model fast-grow...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...

Journal article

Journal of International Economics:

Institutions and export dynamics

We study how contract enforcement and export experience shape firm export dynamics in an environment with incomplete information. We show that exporters start with higher volumes and sell for longer periods in countries ...Read more...

CEP discussion paper

The price ain't right? Hospital prices and health spending on the privately insured

We use insurance claims data covering 28 percent of individuals with employer-sponsored health insurance in the US to study the variation in health spending on the privately insured, examine the structure of insurer-hosp...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...

SERC/Urban and Spatial Programme Discussion Paper

Asymptotic Properties of Imputed Hedonic Price Indices

Hedonic price indices are currently considered to be the state-of-the-art approach to computing constant-quality price indices. In particular, hedonic price indices based on imputed prices have become popular both among ...Read more...

CEP discussion paper

Patents and the global diffusion of new drugs

This paper studies how patent rights and price regulation affect how fast new drugs are launched in different countries, using newly constructed data on launches of 642 new drugs in 76 countries for the period 1983-2002,...Read more...

CEP occasional paper

Dynemp: a StataA? routine for distributed micro-data analysis of business dynamics

This paper introduces a new Stata? command, dynemp, which implements a distributed micro-data analysis of business and employment dynamics and firm demographics. The data source it requires are business registers or comp...Read more...

CEP discussion paper

The dynamics of employment growth: new evidence from 18 countries

Motivated by the on-going interest of policy makers in the sources of job creation, this paper presents results from a new OECD project on the dynamics of employment (DynEmp) based on an innovative methodology using firm...Read more...

CEP discussion paper

Flex cars and competition in ethanol and gasoline retail markets

In Brazil, gasoline and ethanol coexist as automotive fuels and are becoming closer substitutes as flex cars become more widely adopted. We employ this source of variation in a large panel of weekly prices at the station...Read more...

CentrePiece article

Free to choose? The impact of healthcare reform

Has the introduction of greater choice and competition in healthcare in England led to improved outcomes for patients? The authors assess changes in the quality of care that hospitals provided for cardiac surgery patient...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...

SERC/Urban and Spatial Programme Discussion Paper

Historic Amenities, Income and Sorting of Households

We test the impact of historic amenities on house prices and sorting of households within cities. Conservation area boundaries enable us to employ a semiparametric regression-discontinuity approach to measure the impact ...Read more...

CEP discussion paper

Free to Choose? Reform and Demand Response in the English National Health Service

The impacts of choice in public services are controversial. We exploit a reform in the English National Health Service to assess the impact of relaxing constraints on patient choice. We estimate a demand model to evaluat...Read more...

CEP discussion paper

Institutions and Export Dynamics

We study the role of contract enforcement in shaping the dynamics of international trade at the firm level. We develop a theoretical model to describe how agents build reputations to overcome the problems created by weak...Read more...

CEP discussion paper

Left, Right, Left: Income and Political Dynamics in Transition Economies

The political left turn in Latin America, which lagged its transition to liberalized market economies by a decade or more, challenges conventional economic explanations of voting behavior. While the implications of upwar...Read more...

SERC/Urban and Spatial Programme Discussion Paper

The Economics Implications of House Price Capitalization: A Synthesis

In this article I argue that the extent to which fiscal variables are capitalized into house prices has important economic implications. I synthesize an emerging literature that explores the conditions under which public...Read more...

CEP discussion paper

Stock Market Volatility and Learning

We study a standard consumption based asset pricing model with rationally investing agents but allow agents? prior beliefs about price and dividend behavior to deviate slightly from rational expectations priors. Learning...Read more...

SERC/Urban and Spatial Programme Discussion Paper

From Russia with Love: The Impact of Relocated Firms on Incumbent Survival

We identify the impact of local firm concentration on incumbent performance with a quasi natural experiment. When Germany was divided after World War II, many firms in the machine tool industry fled the Soviet occupied z...Read more...

CEP discussion paper

Booms and Busts in Asset Prices

We show how low-frequency boom and bust cycles in asset prices can emerge from Bayesian learning by investors. Investors rationally maximize infinite horizon utility but hold subjective priors about the asset return proc...Read more...

SERC/Urban and Spatial Programme Discussion Paper

The Amenity Value of English Nature: A Hedonic Price Approach

Using a hedonic property value price approach, we estimate the amenity value associated with proximity to habitats, designated areas, domestic gardens and other natural amenities in England. There is a long tradition of ...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...

SERC/Urban and Spatial Programme Discussion Paper

New Housing Supply and the Dilution of Social Capital

This paper examines the role of local housing supply conditions for social capital investment. Using an instrumental variables approach and data from the Social Capital Community Benchmark Survey, it is documented that t...Read more...

CEP discussion paper

Recovering the Sunk Costs of R&D: the Moulds Industry Case

Sunk costs for R&D are an important determinant of the level of innovation in the economy. In this paper I recover them using a Markov equilibrium framework. The contribution is twofold. First, a model of industry dynami...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

Hot and Cold Seasons in the Housing Market

Every year during the second and thirdquarters (the ?hot season?) housing markets in the UK and the US experience systematic above-trend increases in both prices and transactions. During the fourth and first quarters (th...Read more...

CEP discussion paper

The Ins and Outs of European Unemployment

In this paper we study the contribution of inflows and outflows to the dynamics of unemployment in three European countries, the United Kingdom, France and Spain. We compare performance in these three countries making us...Read more...

CEP discussion paper

Inflation Persistence When Price Stickiness Differs Between Industries

There is much evidence that price-adjustment frequencies vary widely across industries. This paper shows that inflation persistence is lower with heterogeneity in price stickiness than without it, taking as given the deg...Read more...

CEP discussion paper

U.S. Labor Market Dynamics Revisited

The picture of U.S. labor market dynamics is opaque. Empirical studies have yielded contradictory findings and debates have emerged regarding their implications. This paper aims at clarifying the picture, which is import...Read more...

CEP discussion paper

Trust-Based Trade

Weak enforcement of international contracts can substantially reduce international trade. We develop a model where agents build reputations to overcome the difficulties that this institutional failure causes in a context...Read more...

CEP discussion paper

Inflation Premium and Oil Price Volatility

This paper provides a fully micro-founded New Keynesian framework to study the interaction between oil price volatility, pricing behavior of firms and monetary policy. We show that when oil has low substitutability, firm...Read more...

CEP discussion paper

Is Numerairology the Future of Monetary Economics? Unbundling numeraire and medium of exchange through a virtual currency and a shadow exchange rate

The paper discusses some fundamental problems in monetary economics associated with the determination and role of the numeraire. The issues are introduced by formalising a proposal, attributed to Eisler, to remove the ze...Read more...

CEP discussion paper

Gross Worker Flows in the Presence of Informal Labor Markets. The Mexican Experience 1987-2002

This paper applies recent advances in the study of labor market dynamics to a representative developing country with a large unregulated of ?informal? sector, Mexico. It finds, first, that the formal salaried sector show...Read more...

CEP discussion paper

Factor Price Equality and the Economies of the United States

We develop a methodology for identifying departures from relative factor price equality across regions that is valid under general assumptions about production, markets and factors. Application of this methodology to the...Read more...

CEP discussion paper

Productivity Growth and Employment: Theory and Panel Estimates

Theoretical predictions of the effect of TFP growth on employment are ambiguous, and depend on the extent to which new technology is embodied in new jobs. We estimate a model for employment, wages and investment with an ...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...

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

Unemployment Dynamics, Duration and Equilibrium: Evidence from Britain

This paper challenges the consensus on the nature of unemployment dynamics in Britain. We show that the argument that changes in unemployment arise mostly from changes in the duration of unemployment (rather than in the ...Read more...