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New research on supply and industry from Harvard Business School faculty on issues including duopoloy and oligopoly, industry clusters, and industry structures.
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Is Antitrust Just a Quaint Notion in the Digital Age?

by James Heskett

SUMMING UP: Given the US Department of Justice's new antitrust complaint against Google, is it time to revisit what defines a market monopoly in the internet era? James Heskett's readers consider the potential ramifications. Open for comment; 0 Comments.

Tech Clusters

by William R. Kerr and Frederic Robert-Nicoud

We are witnessing a major transformation of business to achieve strategic positions in powerful tech hubs, but most workers and consumers will always be far away. The authors describe the spatial concentration of tech activity in the United States and explore the economics of tech clusters with an eye to the future of innovation and economic geography.

Solving the Riddle of How Companies Grow Over Time

by Michael Blanding

Can company growth rates persist over long periods of time? A new study of long-lasting enterprises might make CEOs rethink their strategies, says Gary Pisano. Open for comment; 0 Comments.

Spatial Agglomeration and Superstar Firms: Firm-level Patterns from Europe and US

by Laura Alfaro, Maggie X. Chen, and Harald Fadinger

Large, productive, or internationalized firms tend to co-locate geographically. This study of the United States and Eurozone shows greater agglomeration around high performance plants, particularly multinationals. For policymakers, then, policies aimed at improving industry performance should pay attention to firm productivity distribution and not only focus on average performance.

US Antitrust Law and Policy in Historical Perspective

by Laura Phillips Sawyer

Since the late 19th century, American antitrust law and policy has responded to multiple changes: technological advances that have transformed business structures, political imperatives that have reformed regulations and informed prosecutorial discretion, and economic theories that have reshaped the boundaries of government interventions into the economy. Today, antitrust remains a contested field.

Is It Time To Break Up Amazon, Apple, Facebook, or Google?

by James Heskett

SUMMING UP Would breaking up tech giants like Facebook and Google be good antitrust policy or bad for capitalism? James Heskett's readers join the conversation. Open for comment; 0 Comments.

How Economic Clusters Drive Globalization

by Julia Hanna

Historical research by Valeria Giacomin shows that industrial clusters, often cited in explaining local economic growth, have had a much wider impact, especially in developing countries. Open for comment; 0 Comments.

A Historical Approach to Clustering in Emerging Economies

by Valeria Giacomin

Clusters are geographically concentrated and interlinked agglomerations of specialized firms in a particular domain. This paper argues that long-term studies of clusters in developing countries are necessary to explain the relevance of clusters for the activities of multinational enterprises, making of global business, and building of an integrated marketplace.

Structural Transformation: A Competitiveness-based View

by Christian Ketels

A critical challenge for many economies is how to accelerate structural change when market forces alone seem insufficient. This paper explores the relationship between two approaches. The Structural Transformation framework argues for identifying and supporting target sectors in line with ‘latent’ competitive advantages. The competitiveness framework emphasizes the need to systematically strengthen competitive advantages, with new sectors the outcome rather than the driver of competitiveness upgrading.

Reinventing the American Wine Industry: Marketing Strategies and the Construction of Wine Culture

by Ai Hisano

Since the 1960s, the United States has seen spectacular growth in wine consumption. This paper explores how businesses reinveted the image of wine. This creation of the new market, like other consumer products, had social and cultural consequences. In the US, wine became a status symbol and a renforcer of social and class divisions.

Innovation Network

by Daron Acemoglu, Ufuk Akcigit, and William Kerr

Despite recent advances that measure how the technological development processes in innovative fields link with each other, our understanding of how progress in one technological area links to prior advances in upstream technological fields has been limited. The authors’ analysis and mapping of 1.8 million U.S. patents and their citation properties shows that a stable innovation network acts as a conduit for a cumulative process of technological and scientific progress. Upstream technological developments play an important role in the future pace and direction of patenting in downstream fields. This finding implies that if R&D slackens in one period the effects will still be felt years later in downstream fields.

Location Fundamentals, Agglomeration Economies, and the Geography of Multinational Firms

by Laura Alfaro and Maggie Xiaoyang Chen

Understanding the location interdependence of multinational firms and how they agglomerate with one another is critical to designing and improving economic policies. These authors’ analysis, using a worldwide plant-level dataset and a novel index of agglomeration, yields a number of insights into the economic geography of multinational production. In addition to market access and comparative advantage motives, multinationals' location choices are significantly affected by agglomeration economies including not only vertical production linkages but also technology diffusion and capital-market externalities.

The ‘Mother of Fair Trade’ was an Unabashed Price Protectionist

by Dina Gerdeman

Historian Laura Phillips Sawyer unearths the story of little-known drug store owner Edna Gleason who, in a man’s world, helped fire a progressive movement to protect small-business owners from price-slashing chains. Open for comment; 0 Comments.

Why Immigrant Workers Cluster in Particular Industries

by Michael Blanding

Anyone who lives in an American city can see how immigrants tend to cluster in industries along ethnic lines. Professor William R. Kerr explains why, and what this means for the US economy. Open for comment; 0 Comments.

Social Networks, Ethnicity, and Entrepreneurship

by William R. Kerr & Martin Mandorff

This research looks at why entrepreneurs from certain ethnicities cluster in particular industries, such as Vietnamese nail care salons.

Multi-Product Duopoly with Cross-Product Cost Interdependencies

Multi-product firms in many industries lack the flexibility to choose different quality tiers for different product lines. Once committed to a certain quality tier, either high or low, in one product line, it is usually more costly to offer another product line in a different quality tier instead of offering it in the same tier. This paper probes the strategic implications of this combination of brand stickiness and operational complexity for duopoly competition.

Are the Big Four Audit Firms Too Big to Fail?

by Martha Lagace

Although the number of audit firms has decreased over the past few decades, concerns that the "Big Four" survivors have become too big to fail may be a stretch. Research by professor Karthik Ramanna and colleagues suggests instead that audit firms are more concerned about taking risks. Closed for comment; 0 Comments.

Mixing Open Source and Proprietary Software Strategies

by Julia Hanna

Open source and proprietary software development used to be competing strategies. Now software firms are experimenting with strategies that mix the two models. Researcher Gaston Llanes discusses recent research into these "mixed source" strategies. Key concepts include: Software companies are taking a "best of both worlds" approach by creating products that use a combination of OS and proprietary software code. The researchers wanted to get a clearer sense of when a profit-maximizing firm should adopt a mixed-source business model and what that model might look like under different circumstances. Results indicate recurring patterns and strategies that managers can take into consideration when setting strategy. Closed for comment; 0 Comments.

The Power of the Noncompete Clause

by Martha Lagace

Noncompete clauses seem nearly universal—and not just in technology companies. But the effect is especially strong on specialist and "star" inventors, according to new research by Harvard Business School's Matt Marx, Deborah Strumsky, and Lee Fleming. Marx reflects on the business and career implications in this Q&A. Key concepts include: Noncompete clauses may be ubiquitous or nearly so, particularly in venture-funded companies, but not everyone is affected identically by noncompetes. Fundamentally, noncompetes are a form of monopoly. Just as a patent allows a monopoly on a technique or tool for a limited amount of time, a noncompete (if enforced) affords a temporary monopoly of sorts on a person. In Michigan, inventors whose patents are highly cited in other patent applications were less likely to change jobs following a change in the state law. The effect for "specialist" inventors was even stronger. Star or specialist inventors wishing to explore career opportunities may need to look outside a state that enforces noncompetes. From an employer's perspective, keep in mind that noncompetes are far from ironclad. Closed for comment; 0 Comments.