Publications

September 2017 (Revised November 2018)
Case

Marriott International: The Next 90 Years

By: Chiara Farronato and Gary Pisano

The case examines how Marriott should respond to the potential threats from new home-sharing platforms and the rise of online travel agencies. In 2017 Marriott was the largest hotel chain, with more than one million rooms and 7% of worldwide room supply. In the... View Details

2020
Working Paper

How Competition Affects Contributions to Open Source Platforms: Evidence from OpenStreetMap and Google Maps

By: Abhishek Nagaraj and Henning Piezunka

Open source platforms often face competition from commercial alternatives and yet we lack an understanding of whether and how commercial competition affects contributions to open source platforms. We study how contributions to OpenStreetMap, a widely-used open source... View Details

Keywords: Open Source Platforms; Contributions; Competitive Entry; Impact; Multi-Sided Platforms; Competition

2015
Working Paper

Crowdfunding as 'Donations': Theory & Evidence

By: Kevin J. Boudreau, Lars Bo Jeppesen, Toke Reichstein and Francesco Rullani

For a wide class of crowdfunding approaches, we argue that the reward structure (for funders) is closer to that of charitable donations to public goods than it is to traditional entrepreneurial finance. Many features of the design of crowdfunding platforms can... View Details

Keywords: Crowdfunding Platforms; Entrepreneurial Finance; Free-riding; Voluntary Contributions To Public Goods; Online Technology; Entrepreneurship; Social and Collaborative Networks; Finance; Philanthropy and Charitable Giving

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2015
Working Paper

Markets with Price Coherence

By: Benjamin Edelman and Julian Wright

In markets with price coherence, the purchase of a given good via an intermediary is constrained to occur at the same price as a purchase of that same good directly from the seller (or through another competing intermediary). We examine ten markets with price... View Details

Keywords: Intermediaries; Platforms; Two-Sided Markets; Vertical Restraints; Price; Distribution Channels; Business History; Financial Services Industry; Travel Industry; Insurance Industry; Real Estate Industry; Advertising Industry

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

June 2018 (Revised January 2020)
Case

Voice War: Hey Google vs. Alexa vs. Siri

By: David B. Yoffie, Liang Wu, Jodie Sweitzer, Denzil Eden and Karan Ahuja

By early 2018, voice-controlled intelligent assistants had become a major new front in the battle between the giants of the technology sector. "Voice War" focuses on Alphabet’s strategy for Google Assistant, its entrant in the voice assistant space, and asks how the... View Details

Keywords: Alphabet; Amazon; Apple; Strategy; Technology; Intelligent Assistants; Smart Speaker; Voice Assistants; Voice; Platform; Technology Adoption; Digital Platforms; Competitive Strategy; Product Positioning; Technology Industry

October 2019 (Revised October 2019)
Case

Epic Games

By: Andy Wu and Christopher Zhang

Epic Games entered a stagnant market with its PC-games digital storefront in 2018, in the context of incumbent competitors such as Steam, its meteoric rise via Fortnite, and imminent industry shifts in gaming distribution. On the surface, Epic Games Store’s competitive... View Details

Keywords: Industry Analysis; Video Games; Platforms; Comparative Advantage; Growth Strategy; Innovation Focused Strategy; Pricing Strategy; Strategy; Competition; Growth and Development Strategy; Innovation Strategy; Games, Gaming, and Gambling; Digital Platforms; Technology Industry

Article

Why Do Intermediaries Divert Search?

By: Andrei Hagiu and Bruno Jullien

We analyze the incentives to divert search for an information intermediary who enables buyers (consumers) to search affiliated sellers (stores). We identify two original motives for diverting search (i.e., inducing consumers to search more than they would like): 1)... View Details

Keywords: Market Intermediation; Search; Two-Sided Markets; Platform Design; Demand and Consumers; Motivation and Incentives; Internet and the Web; Digital Platforms; Distribution Channels; Business Strategy; Retail Industry

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March 2019
Case

HOPI: Turkey's Shopping Companion

By: Sunil Gupta, Donald Ngwe and Gamze Yucaoglu

The case opens in 2017 as Onur Erbay, CEO of HOPI, a multi-vendor loyalty platform, is contemplating a critical decision. The case chronicles the origins of Boyner Group, the parent company of HOPI and a major retailer in Turkey, and development of retail and customer... View Details

Keywords: Loyalty Programs; Multi-vendor Platform; Retail; Big Data; Customer Relationship Management; Mobile and Wireless Technology; Business Model; Analytics and Data Science; Competitive Strategy; Decision Making; Applications and Software; Digital Platforms; Technology Industry; Retail Industry; Turkey

August 2019 (Revised February 2020)
Teaching Note

Sidewalk Labs: Privacy in a City Built from the Internet Up

By: Leslie John and Mitch Weiss

Email mking@hbs.edu for a courtesy copy.

The case serves as a microcosm of issues of digital privacy: the availability of data – personal data in particular – has tremendous potential to improve people’s lives... View Details

Keywords: Privacy; Privacy By Design; Privacy Regulation; Platforms; Data; Data Security; Behavioral Science; Analytics and Data Science; Safety; Entrepreneurship; Business and Government Relations; Consumer Behavior; Digital Platforms

Research Summary

Overview

Prof. Altman's research interests include innovation, strategy, organizational change, platform-based businesses and their related ecosystems. Her work focuses on the impact to incumbent organizations as platform-based highly networked business models become more... View Details

Keywords: Innovation Management; Multi-sided Platforms; Business Ecosystems; Organizational Change; Paradox; Organizational Identity

September 2014 (Revised June 2016)
Case

edX: Strategies for Higher Education

By: David Collis, Matthew Shaffer and Ashley Hartman

In May 2012, Harvard University and the Massachusetts Institute of Technology (MIT) founded edX, a new non-profit joint venture that would provide a platform for massive open online courses (MOOCs). edX did not produce original courses or instructional content—it made... View Details

Keywords: MOOCS; edX; Online Platforms; Online Education; Harvard University; MIT; Execution; Monetization; Brand Management; Higher Education; Information Technology; Strategy; Disruptive Innovation; Digital Platforms; Education Industry

January 2014 (Revised March 2014)
Case

SAP 2014: Reaching for the Cloud

By: Karim R. Lakhani, Marco Iansiti and Noah Fisher

In May 2014, Bill McDermott will become the sole CEO of SAP AG, the world leader in the Enterprise Resource Planning (ERP) field. The case occurs in January 2014 at SAP's investors meeting, at a time when the company's stock is near record high. A 2010 strategy... View Details

Keywords: Cloud Computing; Platform; Strategy And Execution; Strategy And Leadership; Enterprise Resource Planning; Software; Information Technology; Digital Platforms; Applications and Software; Information Technology Industry; Germany

February 2021
Article

Trust and Disintermediation: Evidence from an Online Freelance Marketplace

By: Grace Gu and Feng Zhu

As an intermediary improves trust between the two sides of its market to facilitate matching and transactions, it faces an increased risk of disintermediation: with sufficient trust, the two sides may circumvent the intermediary to avoid the intermediary’s fees. In... View Details

Keywords: Disintermediation; Intermediaries; Online Marketplace; Platform Strategy; Trust; Marketplace Matching; Digital Platforms

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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

November 2014
Case

Taryn Rose Launches Dresr: Street Marketing a Luxury Brand

By: Lena G. Goldberg, Marcel Saucet and Christine Snively

Serial entrepreneur and shoe designer Taryn Rose, M.D., prepared to launch a new e-commerce platform, Dresr, which would connect shoppers with tastemakers online. Dresr would bring the service element found in brick and mortar luxury stores into the online shopping... View Details

Keywords: E-commerce; Online Platforms; Online Marketing; Footwear; Legal Aspects Of Business; Street Marketing; Entrepreneurship; Internet and the Web; Luxury; Marketing Strategy; Digital Platforms; Legal Liability; Fashion Industry; Technology Industry

August 2015
Article

Price Coherence and Excessive Intermediation

By: Benjamin Edelman and Julian Wright

Suppose an intermediary provides a benefit to buyers when they purchase from sellers using the intermediary's technology. We develop a model to show that the intermediary would want to restrict sellers from charging buyers more for transactions it intermediates. With... View Details

Keywords: Intermediaries; Platforms; Two-Sided Markets; Vertical Restraints; Two-Sided Platforms

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2014
Working Paper

Price Coherence and Adverse Intermediation

By: Benjamin Edelman and Julian Wright

Suppose an intermediary provides a benefit to buyers when they purchase from sellers using the intermediary's technology. We develop a model to show that the intermediary will want to restrict sellers from charging buyers more for transactions it intermediates. We show... View Details

Keywords: Intermediaries; Platforms; Two-Sided Markets; Price Coherence; Price; Two-Sided Platforms; Distribution Channels

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