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- Faculty Publications (130)
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- All HBS Web (267)
- Faculty Publications (130)
- 2009
- Working Paper
Anger and Regulation
By: Rafael Di Tella and Juan Dubra
We propose a model where voters experience an emotional cost when they observe a firm that has displayed insufficient concern for other people's welfare (altruism) in the process of making high profits. Even with few truly altruistic firms, an equilibrium may emerge... View Details
- 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
Green, Jerry R., and Jean-Jacques Laffont. "Sequential Innovation and Market Structure." Harvard Institute of Economic Research Discussion Paper, No. 1185, October 1985.
- 15 Sep 2009
- News
Insurance supermarket risks
- 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
- 21 Apr 2022
- News
Will Women Leaders Change the Future of Management?
- 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
Nicholas, Tom. "Are Patents Creative or Destructive?" Antitrust Law Journal 79, no. 2 (2014): 405–421.
- 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
Ruzzier, Christian Alejandro, A. Estache, and M. Rossi. "The Case for International Coordination of Electricity Regulation: Evidence from the Measurement of Efficiency in South America." Journal of Regulatory Economics 25, no. 3 (May 2004): 271–295.
- 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
- 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
Lorsch, Jay, and Emily McTague. "Jazztel." Harvard Business School Case 415-042, November 2014.
- 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
Godes, David, Elie Ofek, and Miklos Sarvary. "Content vs. Advertising: The Impact of Competition on Media Firm Strategy." Marketing Science 28, no. 1 (January–February 2009): 20–35.
- 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
Huang, Yasheng, Anatoli Miliukov, and Kirsten O'Neil Massaro. "Unified Energy System at Russia." Harvard Business School Case 702-068, March 2002.
- September 1991 (Revised February 1993)
- Case
Burroughs Wellcome and AZT (A)
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
Emmons, Willis M., III. "Burroughs Wellcome and AZT (A)." Harvard Business School Case 792-004, September 1991. (Revised February 1993.)
- July 2013
- Technical Note
Competition Simulator Exercise: Questions
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
Van den Steen, Eric. "Competition Simulator Exercise: Questions." Harvard Business School Technical Note 714-406, July 2013.
- June 2012 (Revised July 2013)
- Exercise
Competition Simulator Exercise: Instructions
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
Van den Steen, Eric. "Competition Simulator Exercise: Instructions." Harvard Business School Exercise 712-498, June 2012. (Revised July 2013.)
- 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
Brandenburger, Adam M. "Signalling Costs." Harvard Business School Case 793-125, March 1993. (Revised April 1995.)
- 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
Kramer, Mark R., and Bhanuteja Nadella. "Enel: The Future of Energy." Harvard Business School Case 718-414, August 2017. (Revised January 2023.)
- 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
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
Bernstein, Ethan S. "Legal Management: The Case for a Managed Model for the Delivery of Legal Services." December 2002. (Harvard Law School: Bellow-Sacks Access to Civil Legal Services Project.)
- 2009
- Chapter
Nonlinear Pricing
By: Raghuram Iyengar and Sunil Gupta
A nonlinear pricing schedule refers to any pricing structure where the total charges payable by customers are not proportional to the quantity of their consumed services. We begin the chapter with a discussion of the broad applicability of nonlinear pricing schemes. We... View Details
Keywords: Price; Demand and Consumers; Duopoly and Oligopoly; Monopoly; Service Operations; Research
- 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
Hagiu, Andrei. "Proprietary vs. Open Two-Sided Platforms and Social Efficiency." Harvard Business School Working Paper, No. 07-095, May 2007.