Publications

2025
Working Paper

Antitrust Platform Regulation and Entrepreneurship: Evidence from China

By: Ke Rong, D. Daniel Sokol, Di Zhou and Feng Zhu

Many jurisdictions have launched antitrust enforcement and brought in regulation of large tech platforms. The swift and strict implementation of China’s Anti-Monopoly Guidelines for the Platform Economy (Platform Guidelines) provides a quasi-natural experiment... View Details

Keywords: Platform; Antitrust; Regulation; Entrepreneurship; Governing Rules, Regulations, and Reforms; Competition; Venture Capital; Market Entry and Exit; Supply and Industry; China

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2012
Working Paper

Clusters, Convergence, and Economic Performance

By: Mercedes Delgado, Michael E. Porter and Scott Stern

This paper evaluates the role of regional cluster composition in the economic performance of industries, clusters, and regions. On the one hand, diminishing returns to specialization in a location can result in a convergence effect: the growth rate of an industry... View Details

Keywords: Industry Clusters; Performance; Economics

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December 1984
Teaching Note

Medical and Environmental Electronic Devices Corp. (A) and (B), Teaching Note

By: Michael Beer

Keywords: Medical Devices and Supplies Industry

October 2015
Article

Agglomerative Forces and Cluster Shapes

By: William R. Kerr and Scott Duke Kominers

We model spatial clusters of similar firms. Our model highlights how agglomerative forces lead to localized, individual connections among firms, while interaction costs generate a defined distance over which attraction forces operate. Overlapping firm interactions... View Details

Keywords: Agglomeration; Clusters; Industrial Organization; Silicon Valley; Technology Flows; Patents; Networks; Information Technology; Industry Clusters; Entrepreneurship; California

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01 Jun 2025
News

Alumni and Faculty Books

hard work, and—for the first time—market forces. The space economy is just that—an economy—governed by the same laws of supply and demand that apply here on Earth. Authors... View Details

15 Nov 2022
Op-Ed

Why TikTok Is Beating YouTube for Eyeball Time (It’s Not Just the Dance Videos)

often supplies the idea. You can tap a button to grab the “original sound” of someone else’s TikTok, record your response, and seconds later you have your own video. It doesn’t have to be particularly clever... View Details

Keywords: by John Deighton and Leora Kornfeld

November 1999 (Revised November 2000)
Background Note

Economic Liberalization and Industry Dynamics

Programs of economic liberalization often lead to dramatic changes in industry structure. This note presents excerpts from several research papers that summarize findings on how industries evolve following abrupt policy reforms. The note is organized into seven... View Details

Keywords: Industry Structures

May–June 2025
Article

Balancing Digital Safety and Innovation

By: Tomomichi Amano and Tomomi Tanaka

Designers of consumer-facing digital products have tended to focus on novelty and speed (“move fast and break things”). They’ve spent more effort on innovating than on anticipating how customers—and bad actors—might engage with products. But as digital products become... View Details

Keywords: Technological Innovation; Cybersecurity; Demand and Consumers; Safety

February 2025
Supplement

Align Partners and SM Entertainment: Korean Shareholder Activism Meets K-Pop (B)

By: Charles CY Wang and Billy Chan

For years, institutional investors had experienced very limited success in influencing the management of listed companies through shareholder activist campaigns in Korea. The common practice of circular ownership and public resentment toward foreign shareholder... View Details

Keywords: Financial Reporting; Public Equity; Stocks; Investment Activism; Music Entertainment; Corporate Governance; Success; Business and Shareholder Relations; Entertainment and Recreation Industry; South Korea

November 2014
Teaching Plan

Diageo: Innovating for Africa

By: David E. Bell, Damien P. McLoughlin, Mary Shelman and Andrew Otazo

This teaching plan is designed to help students understand the challenges and opportunities of launching products and building businesses in developing markets. View Details

January 2017 (Revised February 2022)
Background Note

Assessing and Enhancing Market Attractiveness

By: Eric Van den Steen

This note gives students a systematic and comprehensive framework for analyzing and influencing market attractiveness. It pays explicit attention to value creation, complements, and the dynamics of market attractiveness. It also includes careful sub-frameworks for... View Details

Keywords: Market Attractiveness; Markets; Industry Structures; Strategy

30 Mar 2022
News

Giving Hope and Comfort

sourcing these vital products in the face of inflation and snags in the supply chain. About 25 percent of Hope and Comfort’s inventory comes through direct donations—from... View Details

24 Sep 2019
News

Connecting Patients and Providers

prospective patients. Patients can upload their data just once and share it with any doctor on the platform who needs access. Trustedoctor also encourages digital consultations, reducing the cost and travel... View Details

September 2022 (Revised November 2022)
Case

The Uyghur Forced Labor Prevention Act: Trade and Genocide in U.S.-China Relations

By: Jeremy Friedman and David Lane

On June 21, 2022, the Uyghur Forced Labor Prevention Act (UFLPA) went into effect, requiring companies to prove that goods imported from the People’s Republic of China were not made with forced labor. The bill was a reaction to reports of products being made with... View Details

January 2018
Article

The Central and Unacknowledged Role of the U.S. Food and Drug Administration in the Design and Execution of Medical Device Pivotal Trials

By: Aaron V. Kaplan and Ariel D. Stern

The introduction of new medical devices has transformed cardiovascular care in recent decades. Devices, such as heart valves, pacemakers, stents, ventricular assist devices, and implantable defibrillators, have prolonged and improved the quality of life for millions of... View Details

Keywords: Health Testing and Trials; Business and Government Relations; Governing Rules, Regulations, and Reforms; Information Publishing; Medical Devices and Supplies Industry; United States

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2011
Working Paper

The Flexible Substitution Logit: Uncovering Category Expansion and Share Impacts of Marketing Instruments

By: Qiang Liu, Thomas J. Steenburgh and Sachin Gupta

Different instruments are relevant for different marketing objectives (category demand expansion or market share stealing). To help brand managers make informed marketing mix decisions, it is essential that marketing mix models appropriately measure the different... View Details

Keywords: Decision Choices and Conditions; Forecasting and Prediction; Investment; Brands and Branding; Marketing Strategy; Demand and Consumers; Mathematical Methods

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October 2015 (Revised August 2018)
Case

Ozark Feed and Ag Corporation: The ERP Decision

By: Jan Hammond, Paul Kalmbach and Eric Bernstein

This case describes a medium-sized business that manufactures animal feed for commercial and companion animals. The company has been growing rapidly and is considering whether or not to implement an enterprise resource planning (ERP) system. Ozark currently uses an IT... View Details

Keywords: ERP Systems; Information Technology; Supply Chain Management; Growth Management; Performance Improvement; Animal-Based Agribusiness; Decision Choices and Conditions; Agriculture and Agribusiness Industry; Agriculture and Agribusiness Industry; Missouri; Oklahoma; Texas; Arkansas