Publications

1985
Working Paper

Sequential Innovation and Market Structure

By: Jerry R. Green and Jean-Jacques Laffont

This paper concerns the introduction of a sequence of new, higher-quality durable products in a market in which there already exists a lower-quality substitute. The product has the further attribute that a real resource cost is incurred at the time a higher-quality... View Details

15 Sep 2009
News

Insurance supermarket risks

21 Apr 2022
News

Will Women Leaders Change the Future of Management?

Research Summary

Biform Games (with Harborne Stuart)

Real-world games often involve both structured and unstructured interaction. For the clearly delineated moves and countermoves in such games, a non-cooperative game model can be used. But for unstructured interaction, when the moves are more fluid and free-form, a... View Details

10 Apr 2025
Video

BiGS Debate: Is Big Tech Too Big?

2014
Article

Are Patents Creative or Destructive?

By: Tom Nicholas

Current debate over patent aggregation has led to renewed interest in the long-standing question concerning whether patents are a creative or a destructive influence on the process of technological development. In this paper I examine the basic patent tradeoff between... View Details

Keywords: Innovation; Incentives; Patents; Technological Innovation; Motivation and Incentives

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November 2014
Case

Jazztel

By: Jay Lorsch and Emily McTague

In October 2004 Fernández Pujals, founder of Telepizza, an international home delivery pizza business, bought 24.9% of Jazztel (€90 million), a telecom company. At the time, Jazztel was near bankruptcy and needed a capital injection to finish the year. Over the next... View Details

Research Summary

Entry deterrence via strategic litigation

This paper analyzes the use of litigation by incumbents to deter entry by new firms. Specifically, I look at a context where incumbent firms own patents that confer a limited monopoly period in the market. In the US pharmaceutical industry, regulation provides for... View Details

May 2004
Article

The Case for International Coordination of Electricity Regulation: Evidence from the Measurement of Efficiency in South America

A decade of experience has shown that monitoring the performance of public and private monopolies is the hardest part of electricity sector reform in South America—because operators control most of the information needed for effective regulation. South American... View Details

Keywords: Information; Mathematical Methods; Monopoly; Globalization; Energy Sources; Energy Industry; South America

January – February 2009
Article

Content vs. Advertising: The Impact of Competition on Media Firm Strategy

By: David Godes, Elie Ofek and Miklos Sarvary

Media firms compete in two connected markets. They face rivalry for the sale of content to consumers, and at the same time, they compete for advertisers seeking access to the attention of these consumers. We explore the implications of such two-sided competition on the... View Details

Keywords: Monopoly; Duopoly and Oligopoly; Business Model; Price; Media; Competitive Strategy; Competitive Advantage; Advertising; Profit; Media and Broadcasting Industry

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September 1991 (Revised February 1993)
Case

Burroughs Wellcome and AZT (A)

By: Willis M. Emmons III

Burroughs Wellcome Co., developer of AZT, the first drug approved by the U.S. Food and Drug Administration for the treatment of Acquired Immune Deficiency Syndrome (AIDS), finds itself under siege in September 1989 by AIDS activists and various segments of the U.S.... View Details

Keywords: Governing Rules, Regulations, and Reforms; Ethics; Business and Government Relations; Communication Strategy; Health Care and Treatment; Monopoly; Intellectual Property; Research and Development; Price; Pharmaceutical Industry; London

March 2002
Case

Unified Energy System at Russia

On April 4, 2000, at a board of directors' meeting, CEO Anatoly Chubais, Russia's legendary reformer, announced his plan to break up the Russian joint stock company Unified Energy System (UES). The plan envisioned breaking up the giant energy monopoly along two lines... View Details

Keywords: Risk and Uncertainty; Energy Industry; Russia

July 2013
Technical Note

Competition Simulator Exercise: Questions

By: Eric Van den Steen

In the Competition Simulator Exercise, students explore through trial and error some important economic foundations of competitive strategy and managerial economics. In particular, the simulator lets students explore horizontal differentiation with and without price... View Details

Keywords: Economics Of Strategy; Economics Of Competition; Competition; Economics; Game Theory; Competitive Strategy; Marketing Strategy

June 2012 (Revised July 2013)
Exercise

Competition Simulator Exercise: Instructions

By: Eric Van den Steen

In the Competition Simulator Exercise, students explore through trial and error some important economic foundations of competitive strategy and managerial economics. In particular, the nine simulator exercises let students explore horizontal differentiation with and... View Details

Keywords: Competitive Strategy; Economics; Strategy; Game Theory

March 1993 (Revised April 1995)
Case

Signalling Costs

NutraSweet's worldwide patent-protected monopoly on aspartame, the low-calorie high-intensity sweetener, ended with the 1987 entry of the Holland Sweetener Co. (HSC) into the European market. Following the arrival of a challenger, NutraSweet acted to reduce sharply the... View Details

Keywords: Patents; Competition; Price; Market Entry and Exit; Food and Beverage Industry; United States; Europe

August 2017 (Revised January 2023)
Case

Enel: The Future of Energy

By: Mark R. Kramer and Bhanuteja Nadella

Enel has transformed from the Italian state-owned energy monopoly into a global leader in renewable energy and shared value creation. Through its open innovation model, the company has catapulted to the cutting edge of electric mobility and distributed power... View Details

Keywords: Energy Generation; Renewable Energy; Growth and Development Strategy; Strategic Planning; Energy Industry

07 Aug 2015
News

SoulCycle: You Say ‘Cult.’ I Say ‘Loyal Customer Base.’

2002
Other Unpublished Work

Legal Management: The Case for a Managed Model for the Delivery of Legal Services

By: Ethan S. Bernstein

This essay takes a brief look at the innovations in the delivery of legal services made due to the expansion of the pre-paid sector and uses those changes in the power dynamics of the industry to make a compelling case for a more widespread, managed model. The managed... View Details

Keywords: Management; Law; Service Delivery; Legal Services Industry; United States

2007
Working Paper

Proprietary vs. Open Two-Sided Platforms and Social Efficiency

By: Andrei Hagiu

This paper identifies a fundamental economic welfare tradeoff between two-sided open platforms and two-sided proprietary (closed) platforms connecting consumers and producers. Proprietary platforms create two-sided deadweight losses through monopoly pricing but at the... View Details

Keywords: Two-Sided Markets; Platforms; Indirect Network Effects; Product Variety; Social Efficiency; Two-Sided Platforms; Network Effects; Welfare or Wellbeing