Publications

March 2011
Supplement

Valuation of AirThread Connections, Spreadsheet Supplement (Brief Case)

By: Erik Stafford and Joel L. Heilprin

Keywords: Present Value; Tax Accounting; Capital Costs; Synergy; Telephony; Wireless Technologies; Assets; Cost of Capital; Valuation; Capital Structure; Cash Flow; Communication; Taxation; Accounting; Wireless Technology

March 2011
Teaching Note

Valuation of AirThread Connections (Brief Case)

By: Erik Stafford and Joel L. Heilprin

Teaching note for case #4263. View Details

Keywords: Present Value; Tax Accounting; Capital Costs; Synergy; Telephony; Wireless Technologies; Assets; Cost of Capital; Valuation; Capital Structure; Cash Flow; Communication; Taxation; Accounting; Wireless Technology

March 2011
Supplement

Valuation of AirThread Connections, Faculty Spreadsheet Supplement (Brief Case)

By: Erik Stafford and Joel L. Heilprin

Keywords: Present Value; Tax Accounting; Capital Costs; Synergy; Telephony; Wireless Technologies; Assets; Cost of Capital; Valuation; Capital Structure; Cash Flow; Communication; Taxation; Accounting; Wireless Technology

March 2000 (Revised October 2004)
Background Note

Adding Voice to the Web: A Note on Start-ups

By: Clayton M. Christensen and Tara Donovan

A study of start-up companies that have leveraged the technology of Internet Protocol (IP) telephony to develop applications that are positioned to have an impact on the offerings of traditional telecommunications organizations. View Details

Keywords: Business Startups; Internet and the Web; Communication Technology; Technological Innovation; Innovation Strategy; Telecommunications Industry; Information Technology Industry

December 1998 (Revised July 2000)
Case

Implementing Strategies for Mobile Telephony: The Cases of BellSouth and U S WEST

By: Clayton M. Christensen

Recounts how BellSouth and US WEST developed and implemented their strategies for becoming major players in the mobile telephony business. Shows how initial success at BellSouth attracted more resources and aggressive investment, while initial failures at US WEST... View Details

Keywords: Investment; Growth and Development Strategy; Resource Allocation; Outcome or Result; Opportunities; Expansion; Mobile Technology; Communications Industry

March 2007 (Revised May 2008)
Case

Iqbal Quadir, Gonofone, and the Creation of GrameenPhone (Bangladesh)

By: Daniel J. Isenberg, Carin-Isabel Knoop and David Lane

As the smallest of 4 partners in a unique wireless telephony venture in Bangladesh that he initiated and helped grow, Iqbal Quadir is trying to acquire a larger stake in the venture when one of the partners wants to sell his shares. However, Quadir faces stiff... View Details

February 2001 (Revised August 2001)
Case

Dialpad Communications (A)

By: Alan D. MacCormack and Kerry Herman

Describes the evolution of Dialpad, a voice-over-Internet-protocol telephony company. Set in September 2000, CEO Brad Garlinghouse faces a dilemma: what to do about the large number of international users who use Dialpad to call the United States for free. He must also... View Details

Keywords: Corporate Entrepreneurship; Business or Company Management; Organizational Design; Competitive Strategy; Investment; Mobile and Wireless Technology; Internet and the Web; Venture Capital; Telecommunications Industry; California