Publications

2009
Working Paper

Do Friends Influence Purchases in a Social Network?

By: Raghuram Iyengar, Sangman Han and Sunil Gupta

Social networks, such as Facebook and Myspace have witnessed a rapid growth in their membership. Some of these businesses have tried an advertising-based model with very limited success. However, these businesses have not fully explored the power of their members to... View Details

Keywords: Marketing; Network Effects; Sales; Power and Influence; Social and Collaborative Networks; Web Sites; South Korea

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2008
Book

On Competition

By: M. E. Porter

Competition is one of society's most powerful forces for making things better in many ﬁelds of human endeavor. The study of competition and the creation of value, in their full richness, have preoccupied me for several decades. Competition is pervasive, whether it... View Details

Keywords: Leadership; Practice; Competitive Strategy; Theory; Value Creation

2008
Book

Greater Good: How Good Marketing Makes for Better Democracy

By: John A. Quelch and Katherine E. Jocz

Marketing has a greater purpose, and marketers, a higher calling, than simply selling more widgets, according to John Quelch and Katherine Jocz. In "Greater Good", the authors contend that marketing performs an essential societal function—and does so democratically.... View Details

Keywords: Economic Systems; Governing Rules, Regulations, and Reforms; Government and Politics; Marketing; Practice; Welfare

May 2007
Article

Location Strategies and Knowledge Spillovers

By: Juan Alcacer and Wilbur Chung

Given the importance of proximity for knowledge spillovers, we examine firms' location choices expecting differences in firms' strategies. Firms will locate to maximize their net spillovers as a function of locations' knowledge activity, their own capabilities, and... View Details

Keywords: Business Strategy; Corporate Strategy; For-Profit Firms; Knowledge Management; Research and Development; Organizational Change and Adaptation; Disruptive Innovation; Five Forces Framework; Cost Management; Technology; Competition; United States

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October 2006
Article

Location Choices across the Value Chain: How Activity and Capability Influence Collocation

By: Juan Alcacer

There has been a recent revival of interest in the geographic component of firm strategy. Recent research suggests that two opposing forces—competition costs and agglomeration benefits—determine whether firms collocate in a given geographic market. Unexplored is (1)... View Details

Keywords: Business Strategy; Competitive Strategy; Sales; Research and Development; Cost Accounting; Cost Management; Markets; Production; Organizational Change and Adaptation; Distribution; Cost vs Benefits; SWOT Analysis; Telecommunications Industry

March 2006
Course Overview Note

International Finance: A Course Overview Note

By: Mihir A. Desai

Describes the International Finance course at Harvard Business School, which argues that the forces of globalization have fundamentally changed the scope and activities of firms, thereby altering the practice of finance within these firms. As a consequence of an... View Details

Keywords: Multinational Firms and Management; Business Ventures; Integration; Change Management; Decision Choices and Conditions; Investment; Risk Management; Competitive Advantage; Motivation and Incentives; International Finance; Capital Markets

January 2006 (Revised February 2006)
Case

E.ON Corporate Strategy

By: Forest L. Reinhardt and Sebastian Frankenberger

Examines the corporate strategy of German energy giant E.ON. The firm is vertically integrated, horizontally diversified across electricity and natural gas, and active in numerous countries in Europe as well as in the United States. Explores the costs and benefits of... View Details

Keywords: Diversification; Vertical Integration; Corporate Strategy; Globalization; Energy Sources; Economics; Energy Industry; Germany; United States; Europe

January 2005 (Revised August 2006)
Case

Lean Forward Media

By: Teresa M. Amabile and Victoria Winston

Jeff Norton and Michelle Crames, the co-founders of Lean Forward Media, face several options for producing the world's first interactive DVD film for children. Their vision is to build a company whose products simultaneously entertain children, engage them actively in... View Details

Keywords: Decision Choices and Conditions; Early Childhood Education; Games, Gaming, and Gambling; Entrepreneurship; Venture Capital; Management Practices and Processes; Risk Management; Partners and Partnerships; Opportunities; Creativity

July 2003 (Revised January 2004)
Case

Carol Brewer's Investments

By: Richard S. Ruback and Julia Stevens

Following her husband's death in 1994, Carol Brewer took over the management of her family's investments. This case describes the decisions Brewer made during this process, including her choice to seek active account management, her selection of an investment firm, and... View Details

Keywords: Investment Funds; Investment Portfolio; Retirement; Decision Choices and Conditions; Financial Management; Personal Finance; Investment Banking; Investment Return

December 2002 (Revised December 2017)
Background Note

Teaching Old Companies New Tricks: The Challenge of Managing New Streams Within the Mainstream

By: Rosabeth Moss Kanter

Describes the challenge of starting new ventures or new activities in established companies, especially if they diverge from the mainstream of ongoing commitments. Fledgling ventures require a different kind of management that acknowledges their uncertainty, intensity,... View Details

Keywords: Business Units; Teaching; Entrepreneurship; Corporate Entrepreneurship; Business or Company Management; Organizations; Problems and Challenges; Risk and Uncertainty; Corporate Strategy

2001
Working Paper

Contextuality Within Activity Systems

By: Michael E. Porter and Nicolaj Siggelkow

Research on the interactions among activities in firms and the extent to which these interactions help create and sustain competitive advantage has rapidly expanded in recent years. In this research, the two most common approaches have been the complementarity... View Details

Keywords: Value Chain; Strategy; Competitive Strategy

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August 1998
Case

HIMSCORP, Inc.

By: William A. Sahlman, Michael J. Roberts and Laurence E. Katz

Himscorp is an industry consolidation of records storage companies providing management and retrieval services of active medical records to healthcare institutions. Kent Dauten, a former general partner at Madison Dearborn Partners with 15 years of venture capital and... View Details

Keywords: Value Creation; Initial Public Offering; Business Exit or Shutdown; Business Growth and Maturation; Decision Choices and Conditions; Consolidation; Information Industry

January 1998 (Revised February 2006)
Background Note

Creating Competitive Advantage

By: Pankaj Ghemawat and Jan W. Rivkin

A firm such as Schering-Plough that earns superior, long-run financial returns within its industry is said to enjoy a competitive advantage over its rivals. This note examines the logic of how firms create competitive advantage. It emphasizes two themes: First, to... View Details

Keywords: Competitive Advantage; Competitive Strategy; Management; Business Strategy; Growth and Development Strategy; Innovation Strategy; Management Practices and Processes; Value Creation; Pharmaceutical Industry

May 1996 (Revised August 2001)
Case

Timberland and Community Involvement

By: James E. Austin and Jaan Elias

The Timberland Co., a manufacturer and retailer of footwear, outdoor apparel, and accessories, committed itself to instituting and communicating a core set of values to its employees, stockholders, and consumers. The system of beliefs emphasized community service.... View Details

Keywords: Ethics; Values and Beliefs; Business and Community Relations; Social Enterprise; Corporate Strategy; Apparel and Accessories Industry

October 1995
Case

Groupe Danone Prepares for the Next Century

By: Ray A. Goldberg and Elizabeth Ashcroft

Danone is the largest food company in France and is in the top ten in the world, but most of its activity is in France, Spain, and Italy. How does it become a global company? Should it? How does it leverage its leadership in yogurt, biscuits, and mineral water? View Details

Keywords: Decision Choices and Conditions; Global Strategy; Goods and Commodities; Marketing Strategy; Strategic Planning; Expansion; Food and Beverage Industry