Publications

SSRN

17 Jan 2013
Working Paper Summaries

Deregulation, Misallocation, and Size: Evidence from India

Keywords: by Laura Alfaro & Anusha Chari

November 2017
Teaching Note

Facebook Fake News in the Post-Truth World

By: John R. Wells and Gabriel Ellsworth

Teaching Note for HBS No. 717-473. In January 2017, Mark Zuckerberg, founder and CEO of Facebook, was surrounded by controversy. The election of Donald Trump as the next president of the United States in November 2016 had triggered a national storm of protests, and... View Details

Keywords: Facebook; Fake News; Mark Zuckerberg; Donald Trump; Algorithms; Social Networking; Social Networks; Partisanship; Social Media; App Development; Instagram; WhatsApp; Smartphone; Silicon Valley; Office Space; Digital Strategy; Democracy; Entry Barriers; Online Platforms; Controversy; Tencent; Agility; Gaming; Gaming Industry; Computer Games; Mobile Gaming; Messaging; Monetization Strategy; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Growth and Maturation; Business Headquarters; Business Organization; For-Profit Firms; Trends; Advertising Industry; Communications Industry; Entertainment and Recreation Industry; Information Industry; Information Technology Industry; Journalism and News Industry; Media and Broadcasting Industry; Service Industry; Technology Industry; Telecommunications Industry; Video Game Industry; United States; California; Sunnyvale; Russia

September 2017
Case

Tencent

By: John R. Wells and Gabriel Ellsworth

Tencent had undergone many transformations since it was founded in 1998 as a simple messaging service. In 2017, it was the largest online games provider in China with a wide range of game types, China’s largest social networking service provider with several of the... View Details

Keywords: Tencent; Tencent Holdings; WeChat; Social Networking; Social Networks; Gaming; Gaming Industry; Video Games; Computer Games; Mobile Gaming; Portals; Payments; Mobile Payments; O2O; Online-to-offline; E-commerce; Messaging; Subscription Model; Freemium; Mobile App Industry; Smartphone; PC; Monetization Strategy; Antitrust; Streaming; Cloud Computing; Artificial Intelligence; Big Data; Alibaba; Facebook; JD.com; Tesla; Bundling; Synergies; Digital Strategy; Imitation; Licensing; Agility; Entry Barriers; Online Platforms; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Conglomerates; Business Units; Business Growth and Maturation; Business Organization; For-Profit Firms; Joint Ventures; Restructuring; Communication; Communication Technology; Blogs; Interactive Communication; Interpersonal Communication; Entertainment; Film Entertainment; Games, Gaming, and Gambling; Music Entertainment; Investment; Investment Portfolio; Price; Profit; Revenue; Geographic Scope; Cross-Cultural and Cross-Border Issues; Global Strategy; Multinational Firms and Management; Globalized Markets and Industries; Business History; Innovation Strategy; Technological Innovation; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Product Positioning; Social Marketing; Network Effects; Emerging Markets; Market Entry and Exit; Digital Platforms; Industry Growth; Monopoly; Media; Distribution Channels; Product Development; Service Delivery; Organizational Change and Adaptation; Organizational Structure; Public Ownership; Problems and Challenges; Business and Government Relations; Groups and Teams; Networks; Opportunities; Social and Collaborative Networks; Strategy; Adaptation; Business Strategy; Commercialization; Competition; Competitive Advantage; Competitive Strategy; Cooperation; Corporate Strategy; Diversification; Expansion; Horizontal Integration; Vertical Integration; Segmentation; Information Technology; Internet and the Web; Mobile and Wireless Technology; Internet and the Web; Applications and Software; Information Infrastructure; Digital Platforms; Internet and the Web; Mobile and Wireless Technology; Value Creation; Communications Industry; Entertainment and Recreation Industry; Financial Services Industry; Information Industry; Information Technology Industry; Media and Broadcasting Industry; Motion Pictures and Video Industry; Music Industry; Service Industry; Technology Industry; Telecommunications Industry; Video Game Industry; Web Services Industry; Asia; China; Canton (province, China)

22 May 2007
Working Paper Summaries

The Speed of New Ideas: Trust, Institutions and the Diffusion of New Products

Keywords: by Felix Oberholzer-Gee & Joel Waldfogel

09 Jun 2015
News

How Merck Is Trying to Keep Disrupters at Bay

April 1980 (Revised September 1985)
Background Note

The Disposable Diaper Industry in 1974

By: Michael E. Porter

Describes the rapidly growing disposable diaper industry in 1974, a period in which Procter and Gamble's industry leadership faced strong challenges from Kimberly Clark, Johnson and Johnson, and Union Carbide. The latter two firms were in the process of entry into the... View Details

Keywords: Market Entry and Exit; Competition; Consumer Products Industry

13 Aug 2007
Research & Ideas

The Dark Side of Trust

"The Speed of New Ideas: Trust, Institutions and the Diffusion of New Products." [PDF] The basic question at hand: Would TrapGuard encounter significant barriers to entry from plumbers who enjoyed... View Details

Keywords: by Sean Silverthorne; Service

12 Jul 2016
News

Tesla’s Strategy Is Risky and Aggressive, but It Has Worked

October 2002 (Revised February 2011)
Case

Union Corrugating Company (A)

By: Paul W. Marshall and Julia Stevens

Lauri Union graduates from Harvard Business School and takes over her family's steel-corrugated roofing and siding manufacturing firm, which her mother has most recently run. The industry is mature, entry barriers to competitors are low, and the company is over 50... View Details

Keywords: Organizational Change and Adaptation; Leading Change; Family Business; Entrepreneurship; Organizational Culture; Family Ownership; Gender; Manufacturing Industry; Steel Industry; Industrial Products Industry

November 2023 (Revised April 2024)
Case

Paytm: A Payments Journey in India

By: Álvaro Rodríguez Arregui, Amram Migdal and Kanika Jain

Paytm was an Indian financial technology company. Since its launch in 2010, it had built a dominant payments system in India, comprising mobile wallets, offline payments via QR codes, and a payments bank that offered no-frills banking. However, in 2016, the Indian... View Details

Keywords: Entrepreneurship; Situation or Environment; Business Ventures; Business Model; Banks and Banking; Business Strategy; Competition; Financial Services Industry; Banking Industry; Technology Industry; Asia; South Asia; India

19 May 2015
News

Uber may never dominate in China—but it doesn't need to

November 2017
Teaching Note

Tencent

By: John R. Wells and Gabriel Ellsworth

Teaching Note for HBS No. 718-426. Tencent had undergone many transformations since it was founded in 1998 as a simple messaging service. In 2017, it was the largest online games provider in China with a wide range of game types, China’s largest social networking... View Details

Keywords: Tencent; Tencent Holdings; WeChat; Social Networking; Social Networks; Gaming; Gaming Industry; Video Games; Computer Games; Mobile Gaming; Portals; Payments; Mobile Payments; O2O; Online-to-offline; E-commerce; Messaging; Subscription Model; Freemium; Mobile App Industry; Smartphone; PC; Monetization Strategy; Antitrust; Streaming; Cloud Computing; Artificial Intelligence; Big Data; Alibaba; Facebook; JD.com; Tesla; Bundling; Synergies; Digital Strategy; Imitation; Licensing; Agility; Entry Barriers; Online Platforms; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Conglomerates; Business Growth and Maturation; Business Organization; For-Profit Firms; Joint Ventures; Restructuring; Communication Technology; Blogs; Interactive Communication; Interpersonal Communication; Entertainment; Film Entertainment; Games, Gaming, and Gambling; Music Entertainment; Investment; Investment Portfolio; Price; Revenue; Geographic Scope; Cross-Cultural and Cross-Border Issues; Global Strategy; Multinational Firms and Management; Globalized Markets and Industries; Business History; Innovation Strategy; Technological Innovation; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Product Positioning; Social Marketing; Network Effects; Market Entry and Exit; Digital Platforms; Industry Growth; Monopoly; Media; Distribution Channels; Service Delivery; Organizational Change and Adaptation; Organizational Structure; Public Ownership; Problems and Challenges; Business and Government Relations; Groups and Teams; Networks; Opportunities; Social and Collaborative Networks; Strategy; Adaptation; Business Strategy; Commercialization; Competition; Competitive Advantage; Competitive Strategy; Cooperation; Corporate Strategy; Diversification; Expansion; Horizontal Integration; Vertical Integration; Information Technology; Internet and the Web; Mobile and Wireless Technology; Applications and Software; Information Infrastructure; Value Creation; Emerging Markets; Product Development; Segmentation; Business Units; Communication; Profit; Communications Industry; Entertainment and Recreation Industry; Financial Services Industry; Information Industry; Information Technology Industry; Media and Broadcasting Industry; Motion Pictures and Video Industry; Music Industry; Service Industry; Technology Industry; Telecommunications Industry; Video Game Industry; Web Services Industry; Asia; China; Canton (province, China)

April 2012 (Revised October 2013)
Case

eBay, Inc. and Amazon.com (A)

By: Ramon Casadesus-Masanell and Anant Thaker

This case has been designed to explore strategic interactions among organizations with different business models. The case considers how a competitor successfully challenged the incumbent in a platform market defined by strong network effects and high switching costs.... View Details

August 2006
Exercise

Bundling of Office Suites: An Economic Analysis

Presents a simple model to demonstrate that bundling can act as a barrier to entry. View Details

Keywords: Market Entry and Exit; Marketing

July 28, 2022
Article

DAO Governance Attacks, and How to Avoid Them

By: Pranav Garimidi, Scott Duke Kominers and Tim Roughgarden

Many web3 projects embrace permissionless voting using a fungible and tradable native token. Permissionless voting can offer many benefits, from lowering barriers to entry to increasing competition. Token holders can use their tokens to vote on a range of issues—from... View Details

Keywords: Crypto Economy; Cryptocurrency; Governance; Voting; Decentralized Autonomous Organizations; Organizational Structure; Digital Platforms

Read Now

September 2019
Case

Bill & Melinda Gates Foundation: Shaping the Vaccine Manufacturing Ecosystem

By: Willy C. Shih

Vaccines for children has been a long-standing focus for the Bill & Melinda Gates Foundation, and its critical role in public health made its production an important economic and political issue. This case describes the Foundation's investment in a breakthrough vaccine... View Details

Keywords: Vaccine; Production; Supply Chain; Product; Biotechnology Industry; Pharmaceutical Industry; Manufacturing Industry; Belgium

May 2006 (Revised June 2006)
Case

Codon Devices

By: Joseph B. Lassiter III and David Kiron

In December 2005, 40-year-old John Danner was about to make his first presentation to the board of directors of Codon Devices, a one-year-old biotechnology start-up based in Cambridge, Massachusetts. After a month as the company's CEO, Danner was prepared to lay out... View Details

Keywords: Strategic Planning; Venture Capital; Intellectual Property; Governing and Advisory Boards; Genetics; Competitive Advantage; Science-Based Business; Business Startups; Growth and Development Strategy; Biotechnology Industry; Cambridge

Find at Harvard

12 Oct 2022
Video

Laura N Montoya: The Global Cultural Lens of AI

Article

Marginality and Problem-Solving Effectiveness in Broadcast Search

By: Lars Bo Jeppesen and Karim R. Lakhani

We examine who the winners are in science problem-solving contests characterized by open broadcast of problem information, self-selection of external solvers to discrete problems from the laboratories of large R&D intensive companies, and blind review of solution... View Details

Keywords: Competition; Open Source Distribution; Knowledge Use and Leverage; Markets; Independent Innovation and Invention; Problems and Challenges; Research and Development; Gender; Science

Find at Harvard