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    • Research  (250)
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  • November 2017
  • Case

The Digital Factory – Siemens: Electronic Works Amberg

By: Rajiv Lal and Scott F. Johnson
The Electronic Works Amberg (EWA) was Siemens' most advanced factory. The plant built industrial automation equipment using state-of-the-art manufacturing techniques. Siemens was considering creating a consulting business for its manufacturing clients. Given the EWA's... View Details
Keywords: Siemens; Internet Of Things; Industrie 4.0; Manufacturing; Consulting; Digital Factory; Ewa; Amberg; Electronic Works Amberg; Information Technology; Mobile and Wireless Technology; Applications and Software; Internet and the Web; Production; Manufacturing Industry; Manufacturing Industry; Manufacturing Industry; Germany
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Lal, Rajiv, and Scott F. Johnson. "The Digital Factory – Siemens: Electronic Works Amberg." Harvard Business School Case 518-054, November 2017.
  • February 2016 (Revised September 2020)
  • Case

T-Mobile in 2013: The Un-Carrier

By: John Beshears, Francesca Gino, Jonathan Lee and Sean (Yixiang) Wang
By 2013, the U.S. wireless industry was in the midst of a costly transition. As consumers began to embrace more sophisticated mobile devices, the industry's four main players spent heavily to improve their infrastructures for providing reliable high-speed data... View Details
Keywords: Business Model; Organizational Change and Adaptation; Product Positioning; Competition; Wireless Technology; Telecommunications Industry; United States
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Beshears, John, Francesca Gino, Jonathan Lee, and Sean (Yixiang) Wang. "T-Mobile in 2013: The Un-Carrier." Harvard Business School Case 916-043, February 2016. (Revised September 2020.)
  • October 2020 (Revised August 2022)
  • Case

Epic Games: Nineteen Eighty-Fortnite

By: Andy Wu, Miaomiao Zhang and Christopher Zhang
In the midst of intensifying public and political attention towards the market power of big technology, Epic Games in 2020 challenged the status quo that has existed for years in the Apple iOS and Google Android mobile application marketplaces and payment systems.... View Details
Keywords: Mobile Platforms; Mobile App Industry; Mobile Payment Systems; Antitrust; Games, Gaming, and Gambling; Mobile and Wireless Technology; Lawsuits and Litigation; Entrepreneurship; Competitive Strategy; Digital Platforms; United States
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Wu, Andy, Miaomiao Zhang, and Christopher Zhang. "Epic Games: Nineteen Eighty-Fortnite." Harvard Business School Case 721-395, October 2020. (Revised August 2022.)
  • February 2022 (Revised February 2023)
  • Case

TikTok in 2020: Super App or Supernova? (Abridged)

By: Jeffrey F. Rayport, Dan Maher and Dan O'Brien
TikTok’s parent company, ByteDance, was launched in 2012 around a simple idea—helping users entertain themselves on their smartphones while on the Beijing Subway. In less than a decade, it had become one of the world’s most valuable private companies, with investors... View Details
Keywords: Digital Platform; Artificial Intelligence; AI; Mobile App; Mobile App Industry; Mobile and Wireless Technology; Market Entry and Exit; Brands and Branding; Growth and Development Strategy; China
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Rayport, Jeffrey F., Dan Maher, and Dan O'Brien. "TikTok in 2020: Super App or Supernova? (Abridged)." Harvard Business School Case 822-112, February 2022. (Revised February 2023.)
  • May 2015 (Revised January 2017)
  • Case

Bharti Infratel: Unlocking Value in Mobile Infrastructure

By: Ramon Casadesus-Masanell, Prashant Salwan, Tanya Bijlani and Rachna Tahilyani
Bharti Infratel, a telecom tower company, provides shared telecom infrastructure to mobile operators in India. It is a spin off from Bharti Airtel, India's largest leading mobile services operator. Bharti Infratel partnered with its rivals, Vodafone and Idea Cellular,... View Details
Keywords: Collaboration; Strategic Alliances (Business); Mobile Phone Industry; Mergers and Acquisitions; Competitive Strategy; Corporate Strategy; Mobile and Wireless Technology; Telecommunications Industry; Asia; India
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Casadesus-Masanell, Ramon, Prashant Salwan, Tanya Bijlani, and Rachna Tahilyani. "Bharti Infratel: Unlocking Value in Mobile Infrastructure." Harvard Business School Case 715-459, May 2015. (Revised January 2017.)
  • 2023
  • Working Paper

Personalized Game Design for Improved User Retention and Monetization in Freemium Games

By: Eva Ascarza, Oded Netzer and Julian Runge
One of the most crucial aspects and significant levers that gaming companies possess in designing digital games is setting the level of difficulty, which essentially regulates the user’s ability to progress within the game. This aspect is particularly significant in... View Details
Keywords: Freemium; Retention/churn; Field Experiment; Field Experiments; Gaming; Gaming Industry; Mobile App; Mobile App Industry; Monetization; Monetization Strategy; Games, Gaming, and Gambling; Mobile and Wireless Technology; Customers; Retention; Product Design; Strategy
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Ascarza, Eva, Oded Netzer, and Julian Runge. "Personalized Game Design for Improved User Retention and Monetization in Freemium Games." Harvard Business School Working Paper, No. 21-062, November 2020. (Revised December 2023.)
  • 2017
  • Working Paper

Threat of Platform-Owner Entry and Complementor Responses: Evidence from the Mobile App Market

By: Feng Zhu
We examine how app developers on the Android mobile platform adjust their innovation efforts (rate and direction) and value-capture strategies in response to Google’s entry threat and actual entry into their markets. We find that, after Google’s entry threat increases,... View Details
Keywords: Platform-owner Entry; Entry Threat; Innovation; Complementors; Mobile App Industry; Mobile and Wireless Technology; Innovation Strategy; Market Entry and Exit
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Wen, Wen, and Feng Zhu. "Threat of Platform-Owner Entry and Complementor Responses: Evidence from the Mobile App Market." Harvard Business School Working Paper, No. 18-036, October 2017.
  • 2018
  • Article

Threat of Platform-Owner Entry and Complementor Responses: Evidence from the Mobile App Market

By: Wen Wen and Feng Zhu
We examine how app developers on the Android mobile platform adjust their innovation efforts (rate and direction) and value-capture strategies in response to Google’s entry threat and actual entry into their markets. We find that, after Google’s entry threat increases,... View Details
Keywords: Platform-owner Entry; Entry Threat; Innovation; Complementors; Mobile App Industry; Digital Platforms; Mobile and Wireless Technology; Market Entry and Exit; Price; Innovation and Invention; Applications and Software
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Wen, Wen, and Feng Zhu. "Threat of Platform-Owner Entry and Complementor Responses: Evidence from the Mobile App Market." Strategic Management Journal 40, no. 9 (September 2019): 1336–1367.
  • 11 Jun 2001
  • Research & Ideas

E-Commerce Unplugged

technology will not be fully realized, however, if companies simply make their existing online services available through wireless devices. Successful players in the m-commerce market space will take a much broader view of the technology,... View Details
Keywords: by Nitin Nohria & Marty Leestma
  • February 2009 (Revised December 2009)
  • Case

eReading: Amazon's Kindle

By: Bharat N. Anand, Peter W. Olson Esq. and Mary Tripsas
In November 2007, Amazon introduced the Kindle, the first electronic reader with wireless functionality. The case describes the launch of the Kindle and provides information on representative players in the industry (or broader ecosystem) who are likely to be affected... View Details
Keywords: Books; Disruptive Innovation; Technological Innovation; Industry Structures; Standards; Distribution Channels; Competitive Strategy; Publishing Industry
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Anand, Bharat N., Peter W. Olson Esq., and Mary Tripsas. "eReading: Amazon's Kindle." Harvard Business School Case 709-486, February 2009. (Revised December 2009.)
  • June 2005 (Revised January 2008)
  • Case

Good Technology: Empowering Mobility Around the Globe (A)

By: Geoffrey G. Jones and Adam Minnick
Describes the global growth of Good Technology, a Silicon Valley start-up in wireless handheld computing software and service. Reviews the evaluation of wireless standards, the emergence of the world wireless market for voice and data, and the growth of the major firms... View Details
Keywords: Business Startups; Entrepreneurship; Globalized Firms and Management; Partners and Partnerships; Expansion; Wireless Technology; Communications Industry; Communications Industry; California
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Jones, Geoffrey G., and Adam Minnick. "Good Technology: Empowering Mobility Around the Globe (A)." Harvard Business School Case 805-139, June 2005. (Revised January 2008.)
  • Article

How Smart, Connected Products Are Transforming Competition

By: Michael E. Porter and James E. Heppelmann
Information technology is revolutionizing products. Once composed solely of mechanical and electrical parts, products have become complex systems that combine hardware, sensors, data storage, microprocessors, software, and connectivity in myriad ways. These "smart,... View Details
Keywords: Strategy; Competition; Information Technology; Transformation; Information Technology Industry
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Porter, Michael E., and James E. Heppelmann. "How Smart, Connected Products Are Transforming Competition." Harvard Business Review 92, no. 11 (November 2014): 64–88.
  • April 2008
  • Background Note

Broadband and Video Games: Playing and Winning Together

By: Stephen P. Bradley and Nancy Bartlett
This note examines the relationship between video gaming devices (console, handhelds, mobile and PC) and gaming software development. The impact of broadband, wireless technologies and other innovations are also presented. View Details
Keywords: Games, Gaming, and Gambling; Innovation and Invention; Relationships; Information Infrastructure; Applications and Software; Mobile and Wireless Technology; Entertainment and Recreation Industry; Entertainment and Recreation Industry
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Bradley, Stephen P., and Nancy Bartlett. "Broadband and Video Games: Playing and Winning Together." Harvard Business School Background Note 708-440, April 2008.
  • November 2010 (Revised April 2011)
  • Case

WiTricity: Electricity cuts the cord

By: William A. Sahlman and Evan Wade Richardson
Eric Giler, WiTricity CEO, must decide how to grow a company based around an untested but potentially ground-breaking technology for wireless electricity transmission. View Details
Keywords: Business Startups; Entrepreneurship; Technological Innovation; Growth and Development Strategy; Wireless Technology; Electronics Industry
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Sahlman, William A., and Evan Wade Richardson. "WiTricity: Electricity cuts the cord." Harvard Business School Case 811-045, November 2010. (Revised April 2011.)
  • March 2017
  • Case

From mHealth Hackathon to Reality: Diabetes Care

By: Kevin Schulman and Curry Cheek
This case explores the development of a business plan for a mobile health application for diabetes care. The case depicts a student team excited about the opportunity to improve the care of patients with diabetes by contracting an app. They go through a rigorous... View Details
Keywords: Innovation; Mobile Health Technologies; Health Care; Health Care Industry; Behavioral Economics; Applications and Software; Health Care and Treatment; Mobile and Wireless Technology; Innovation and Invention; Health Industry; Health Industry
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Schulman, Kevin, and Curry Cheek. "From mHealth Hackathon to Reality: Diabetes Care." Harvard Business School Case 317-105, March 2017.
  • June 2017
  • Case

AT&T Versus Verizon: A Financial Comparison

By: V.G. Narayanan and Joel L. Heilprin
This case asks students to prepare a report comparing the financial and operating performance of AT&T and Verizon. Taking the perspective of a communications industry analyst, they must also consider the differences between and implications of the companies' business... View Details
Keywords: Financial Statements; Operations; Analysis; Business Model; Accounting; Performance Effectiveness; Telecommunications Industry
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Narayanan, V.G., and Joel L. Heilprin. "AT&T Versus Verizon: A Financial Comparison." Harvard Business School Brief Case 917-543, June 2017.
  • October 2004 (Revised July 2011)
  • Case

AT&T 2000-2004

By: Stephen P. Bradley and Kerry Herman
Provides an update on CEO Michael Armstrong's "Project Grand Slam" strategy to build the value of AT&T by offering a complete, integrated telecommunications solution to both corporate and residential customers, including wireless and wire line telephone, Internet,... View Details
Keywords: Business Exit or Shutdown; Customers; Business or Company Management; Failure; Business and Shareholder Relations; Networks; Corporate Strategy; Internet; Wireless Technology; Value Creation; Telecommunications Industry
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Bradley, Stephen P., and Kerry Herman. "AT&T 2000-2004." Harvard Business School Case 705-425, October 2004. (Revised July 2011.)
  • April 1999 (Revised September 2001)
  • Case

Penelope's Personal Pocket Phones

By: Paul A. Gompers
Provides students with an opportunity to use simple real options analysis to value a startup. Penelope Phillips is deciding whether to start a company to make wireless phones. Students get experience using traditional discounted cash flow valuation and a real options... View Details
Keywords: Valuation; Entrepreneurship; Business Startups; Mobile and Wireless Technology; Capital Budgeting; Corporate Finance; Manufacturing Industry; Manufacturing Industry
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Gompers, Paul A. "Penelope's Personal Pocket Phones." Harvard Business School Case 299-004, April 1999. (Revised September 2001.)
  • June 2002 (Revised July 2002)
  • Case

NTT DoCoMo: Marketing i-mode

By: Youngme E. Moon
i-mode is a wireless Internet service offered in Japan by NTT DoCoMo. In just three years, the service has won over 30 million subscribers and achieved a 60% share of Japan's mobile Internet market, making it the most successful mobile data service in the world. It is... View Details
Keywords: Price; Marketing; Marketing Channels; Market Entry and Exit; Market Participation; Success; Competition; Internet and the Web; Technology Adoption; Mobile and Wireless Technology; Telecommunications Industry; Japan
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Moon, Youngme E. "NTT DoCoMo: Marketing i-mode." Harvard Business School Case 502-031, June 2002. (Revised July 2002.)
  • March 1992 (Revised June 1995)
  • Case

Introduction of FM Radio (A): Finally, A ""Staticless"" Radio

Describes the evolution of radio technology and business from the initial days of wireless telegraphy to the advent, growth, and establishment of amplitude-modulated (AM) radio manufacturing and broadcasting. Begins and ends with a description of a decision the Radio... View Details
Keywords: Technological Innovation; Leading Change; Product Design; Product Development; Media and Broadcasting Industry; United States
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Dhebar, Anirudh S. Introduction of FM Radio (A): Finally, A ""Staticless"" Radio. Harvard Business School Case 592-092, March 1992. (Revised June 1995.)
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