Publications

January 2010 (Revised February 2015)
Teaching Note

eBay Partner Network (A), (B), (C), and (D)

By: Benjamin Edelman and Ian Larkin

Teaching Note for [910008], [910009], [910012], and [914016]. View Details

Keywords: Internet and the Web; Networks; Information Technology Industry

September 2009 (Revised March 2015)
Supplement

eBay Partner Network (C)

By: Benjamin Edelman and Ian Larkin

Supplements the (A) case. View Details

Keywords: Internet and the Web; Networks

September 2009 (Revised March 2015)
Supplement

eBay Partner Network (B)

By: Benjamin Edelman and Ian Larkin

Supplements the (A) case. View Details

Keywords: Internet and the Web; Networks

August 2008 (Revised May 2009)
Case

Consumer Payment Systems — Japan

By: Benjamin Edelman and Andrei Hagiu

In 2008, the Japanese consumer payments landscape featured ongoing widespread use of cash, limited use of credit cards and rapid rise of e-money systems based on contactless technology embedded in cards and especially mobile phones. The case details the alliances that... View Details

Keywords: Personal Finance; Governing Rules, Regulations, and Reforms; Digital Platforms; Alliances; Competitive Strategy; Information Infrastructure; Mobile and Wireless Technology; Japan

January 2008 (Revised February 2010)
Case

Microsoft adCenter

By: Peter Coles and Benjamin Edelman

Microsoft considers alternatives to expand its presence in online advertising, especially text-based pay-per-click advertising. Google dominates, and it is unclear how Microsoft can grow, despite considerable technical and financial resources. Microsoft considers a set... View Details

Keywords: Digital Marketing; Growth and Development Strategy; Competition; Advertising Industry

March 2016
Article

To Groupon or Not to Groupon: The Profitability of Deep Discounts

By: Benjamin Edelman, Sonia Jaffe and Scott Duke Kominers

We examine the profitability and implications of online discount vouchers, a relatively new marketing tool that offers consumers large discounts when they prepay for participating firms' goods and services. Within a model of repeat experience good purchase, we examine... View Details

Keywords: Voucher Discounts; Groupon; Experience Goods; Repeat Purchase; Internet and the Web; Marketing Strategy; Marketing Communications

Find at Harvard

November 2020
Teaching Note

Valuing Celgene's CVR

By: Benjamin C. Esty and Daniel Fisher

Teaching Note for HBS Case No. 221-031. When Bristol-Myers Squibb (BMS) acquired Celgene Corporation in November 2019, Celgene shareholders received cash, BMS stock, and a contingent value right (CVRs) that would pay $9 if the U.S. Food and Drug Administration (FDA)... View Details

Keywords: Mergers and Acquisitions; Valuation; Value; Judgments; Decision Making; Cash Flow; Financial Instruments; Cognition and Thinking; Pharmaceutical Industry; Biotechnology Industry; United States

December 2018 (Revised May 2021)
Background Note

Making UK Energy Smarter

By: John R. Wells and Benjamin Weinstock

This case describes the history of the United Kingdom's domestic energy industry and the country's efforts to create a more competitive, greener, and distributed power sector. On July 24, 2017, the United Kingdom government and the industry regulator, the Office of Gas... View Details

July 2019 (Revised April 2021)
Case

Salary Finance

By: John R. Wells and Benjamin Weinstock

In April 2019, Asesh Sarkar, co-founder and chief executive of Salary Finance Limited, a London-based FinTech, faced tough choices. Sarkar had founded Salary Finance with Dan Cobley and Daniel Shakhani in 2015. The company’s value proposition was quite simple: partner... View Details

Keywords: Credit; Financing and Loans; Wages; Innovation and Invention; Expansion; Growth and Development Strategy; Organizational Culture; Decision Choices and Conditions; Financial Services Industry

April 2009
Supplement

Symbian, Google & Apple in the Mobile Space (B)

By: Fernando Suarez, Benjamin Edelman and Arati Srinivasan

Supplements the (A) case. View Details

Keywords: Network Effects; Networks; Strategy; Telecommunications Industry

April 2009
Case

Symbian, Google & Apple in the Mobile Space (A)

By: Fernando Suarez, Benjamin Edelman and Arati Srinivasan

Symbian, maker of a leading mobile smartphone operating system, faces new competition from Google and Apple. Symbian evaluates changes to its software and its relationships with distributors in order to meet these competitors. View Details

Keywords: Decision Choices and Conditions; Distribution; Competitive Strategy; Mobile and Wireless Technology; Applications and Software

2017
Government Testimony

Passenger Right to Record—Petition for Rulemaking

By: Benjamin Edelman and Mike Borsetti

We ask DOT to affirm that passengers have the right to record what they lawfully see and hear on and around aircraft. We explain why such recordings are in the public interest, and we present the troubling experiences of passengers who have tried to record but have... View Details

Keywords: Aviation; Consumer Protection; Recording; Video; Audio; Privacy; Social Media; Air Transportation; Rights; Contracts; Air Transportation Industry

2016
Working Paper

Android and Competition Law: Exploring and Assessing Google's Practices in Mobile

By: Benjamin Edelman and Damien Geradin

Since its launch in 2007, Android has become the dominant mobile device operating system worldwide. In light of this commercial success and certain disputed business practices, Android has come under substantial attention from competition authorities. We present key... View Details

Keywords: Android; Antitrust; Competition Policy; Exclusion; Mobile Communication Devices; Remedies; Tying; Two-Sided Platforms; Lawfulness; Internet; Mobile Technology; Wireless Technology; Information Technology Industry; Telecommunications Industry

SSRN

April 2015 (Revised December 2015)
Case

Resuscitating Monitter

By: Benjamin Edelman and Wei Sun

After a Twitter API change and policy change block his fledgling startup, solo entrepreneur Alex Holt evaluates his options. Should he double-down with a major investment in new servers, rewriting his app from scratch, and charging users for a service that he had... View Details

Keywords: Platform Strategy; Envelopment; Dependence; Social Media; Business Strategy; Vertical Integration; Information Technology; Digital Platforms; Advertising Industry; Information Technology Industry; Australia

June 2013
Background Note

Mobilizing an Online Business

By: Peter Coles and Benjamin Edelman

Entrepreneurs starting online businesses often need to mobilize multiple sets of users or customers, each of whom hesitates to participate unless others join also. This case presents several challenges with similar structure. View Details

Keywords: Mobilization Strategy; Network Effects; Platforms; Internet; Entrepreneurship; Strategy; Two-Sided Platforms; Technology Adoption; Innovation Strategy; Information Technology Industry; Telecommunications Industry; Computer Industry

December 2011 (Revised March 2012)
Case

Airbnb (A)

By: Benjamin Edelman and Michael Luca

2010
Working Paper

Optimal Auction Design and Equilibrium Selection in Sponsored Search Auctions

By: Benjamin Edelman and Michael Schwarz