Publications
Publications
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(2,243)
- Faculty Publications (387)
- October 18, 2021
- Article
To Regulate Network-Based Platforms, Look at Their Data
By: Chiara Farronato and Daniel Björkegren
Historically, antitrust authorities have taken a laissez-faire approach under the assumption that it is better to err on the side of not intervening when there is uncertainty. This has allowed companies like Google and Facebook to go on a shopping spree to acquire... View Details
- October 2021 (Revised February 2023)
- Case
Ant Group (A)
By: Krishna G. Palepu, Feng Zhu, Susie L. Ma and Kerry Herman
In 2004, Chinese e-commerce company Alibaba created Alipay, an app to facilitate payments on its e-commerce sites. As Alibaba grew, so did Alipay, until Alipay spawned its own ecosystem of financial technology products and services under the name of Ant Group. By 2020,... View Details
- September 2021
- Supplement
Telepass: From Tolling to Mobility Platform
By: Chiara Farronato, Stefano Denicolai and Sarah Mehta
This supplementary dataset can be paired with the case entitled “Telepass: From Tolling to Mobility Platform” (case no. 622-011), to allow students the opportunity to analyze data before class. View Details
Keywords: Analysis; Change; Change Management; Transformation; Transition; Innovation and Invention; Strategy; Information Technology; Mobile and Wireless Technology; Transportation; Transportation Networks; Value; Value Creation; Technology Industry; Transportation Industry; Insurance Industry; Europe; Italy; Milan
- September 2021 (Revised December 2021)
- Case
Telepass: From Tolling to Mobility Platform
By: Chiara Farronato, Stefano Denicolai and Sarah Mehta
Telepass, until very recently the sole processor of electronic toll payments on Italy’s highways, has ambitions beyond tolling. Since the mid-2010s, the company has been expanding into adjacent services. In 2017, Telepass launched TelepassPay—a mobile payment... View Details
Keywords: Mobile Payment; App; Mobility Services; Analysis; Change; Change Management; Transformation; Transition; Innovation and Invention; Strategy; Information Technology; Mobile and Wireless Technology; Transportation; Transportation Networks; Value; Value Creation; Consumer Behavior; Technology Industry; Transportation Industry; Insurance Industry; Europe; Italy; Milan
- September 2021 (Revised December 2021)
- Case
Telepass: From Tolling to Mobility Platform (Abridged)
By: Chiara Farronato, Stefano Denicolai and Sarah Mehta
Telepass, until very recently the sole processor of electronic toll payments on Italy’s highways, has ambitions beyond tolling. Since the mid-2010s, the company has been expanding into adjacent services. In 2017, Telepass launched TelepassPay—a mobile payment... View Details
Keywords: Mobile Payment; App; Mobility Services; Analysis; Change; Change Management; Transformation; Transition; Innovation and Invention; Strategy; Information Technology; Mobile and Wireless Technology; Transportation; Transportation Networks; Value; Value Creation; Technology Industry; Transportation Industry; Insurance Industry; Europe; Italy; Milan
- September 2021
- Article
Network Interconnectivity and Entry into Platform Markets
By: Feng Zhu, Xinxin Li, Ehsan Valavi and Marco Iansiti
Digital technologies have led to the emergence of many platforms in our economy today. In certain platform networks, buyers in one market purchase services from providers in many other markets, whereas in others, buyers primarily purchase services from providers within... View Details
- 2021
- Working Paper
The Value of Data and Its Impact on Competition
By: Marco Iansiti
Common regulatory perspective on the relationship between data, value, and competition in online platforms has increasingly centered on the volume of data accumulated by incumbent firms. This view posits the existence of "data network effects," where more data leads to... View Details
- July 2021
- Article
Outsourcing Tasks Online: Matching Supply and Demand on Peer-to-Peer Internet Platforms
By: Zoë Cullen and Chiara Farronato
We study the growth of online peer-to-peer markets. Using data from TaskRabbit, an expanding marketplace for domestic tasks at the time of our study, we show that growth varies considerably across cities. To disentangle the potential drivers of growth, we look... View Details
- 2021
- Chapter
Towards a Unified Framework for Fair and Stable Graph Representation Learning
By: Chirag Agarwal, Himabindu Lakkaraju and Marinka Zitnik
As the representations output by Graph Neural Networks (GNNs) are increasingly employed in real-world applications, it becomes important to ensure that these representations are fair and stable. In this work, we establish a key connection between counterfactual... View Details
- April 2021
- Case
The Clean Network and the Future of Global Technology Competition
By: Meg Rithmire and Courtney Han
In May 2019, amidst of an ever-worsening trade war between the U.S. and China, President Donald Trump added Chinese telecom giant Huawei to the Department of Commerce’s “entity list,” essentially forbidding American firms from doing business with the company. Huawei,... View Details
- April 2021
- Case
Codecademy: Where to Next?
By: Jeffrey F. Rayport, Max Mailman and Sarah Ascherman
In March 2020, Zach Sims, co-founder and CEO of online education platform Codecademy, prepared for a meeting with his Chief of Staff Kunal Ahuja to discuss the company’s goals. Codecademy billed itself as the largest online resource for computer science literacy and... View Details
Keywords: Monetization Strategy; Business Model; Change Management; Venture Capital; Leading Change; Growth and Development Strategy; Growth Management; Management Teams; Marketing Channels; Product Marketing; Network Effects; Product Development; Organizational Change and Adaptation; Strategic Planning; Internet and the Web; Digital Platforms; United States
- 2021
- Article
Fair Influence Maximization: A Welfare Optimization Approach
By: Aida Rahmattalabi, Shahin Jabbari, Himabindu Lakkaraju, Phebe Vayanos, Max Izenberg, Ryan Brown, Eric Rice and Milind Tambe
Several behavioral, social, and public health interventions, such as suicide/HIV prevention or community preparedness against natural disasters, leverage social network information to maximize outreach. Algorithmic influence maximization techniques have been proposed... View Details
- 2021
- Working Paper
Accounting for Product Impact in the Telecommunications Industry
By: George Serafeim and Katie Trinh
We apply the product impact measurement framework of the Impact-Weighted Accounts Initiative (IWAI) in two competitor companies within the telecommunications industry. We design a monetization methodology that allows us to calculate monetary impact estimates of network... View Details
Keywords: Product Innovation; Impact; Impact Investing; Impact Measurement; ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; Social Corporate Responsibility; Corporate Social Responsibility; Social Impact; Telecommunications; Product Design; Product Positioning; Society; Product; Environmental Sustainability; Measurement and Metrics; Framework; Corporate Social Responsibility and Impact; Telecommunications Industry
- March 2021 (Revised February 2025)
- Teaching Note
Afterpay U.S.: The Omnichannel Dilemma
By: Antonio Moreno and Anibha Singh
Teaching Note for HBS Case No. 519-086. In 2018, Nick Molnar, the founder of the Australia-based online payment service Afterpay began its expansion to the U.S. market. The service had gained a loyal following in Australia by enabling customers to pay for online... View Details
Keywords: Omnichannel Retail; Digital Marketing; Business Startups; Business Growth and Maturation; Business Model; Business Organization; For-Profit Firms; Change Management; Customer Value and Value Chain; Customer Relationship Management; Customer Satisfaction; Financing and Loans; Microfinance; Global Strategy; Marketing Strategy; Market Entry and Exit; Digital Platforms; Product Development; Supply Chain Management; Business and Stakeholder Relations; Networks; Network Effects; Internet and the Web; Financial Services Industry; Technology Industry; United States; Australia
- March 2021
- Article
The Impact of the General Data Protection Regulation on Internet Interconnection
By: Ran Zhuo, Bradley Huffaker, KC Claffy and Shane Greenstein
The Internet comprises thousands of independently operated networks, where bilaterally negotiated interconnection agreements determine the flow of data between networks. The European Union’s General Data Protection Regulation (GDPR) imposes strict restrictions on... View Details
- February 2021
- Case
Threadless: The Renewal of an Online Community
By: Shane Greenstein, Karim Lakhani and Christian Godwin
Threadless, an online apparel company and artist community which Jake Nickell founded in 2000, continued to maintain its status as a top company in the online apparel industry during its second decade. From 2010 to 2020, Threadless continued to operate its... View Details
Keywords: Business Model; Decision Making; Entrepreneurship; Innovation and Invention; Leading Change; Management; Marketing; Product Launch; Operations; Supply Chain; Distribution; Networks; Sales; Strategy; Adaptation; Information Technology; Applications and Software; Digital Platforms; Apparel and Accessories Industry; Technology Industry; North America
- February 2021 (Revised March 2022)
- Case
TikTok in 2020: Super App or Supernova?
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: Business Model; Business Startups; Business Organization; Change Management; Disruption; Cross-Cultural and Cross-Border Issues; Global Strategy; Health Pandemics; Innovation Strategy; Growth and Development Strategy; Growth Management; Brands and Branding; Marketing Strategy; Marketing Channels; Network Effects; Digital Platforms; Product Design; Product Development; Partners and Partnerships; Opportunities; Social Issues; Mobile and Wireless Technology; Internet and the Web; Value Creation; United States; China
- 2021
- Working Paper
Assessing the Strength of Network Effects in Social Network Platforms
By: Marco Iansiti
Network effects have risen to the forefront of platform competition discussions (e.g. the House Judiciary investigation of competition in digital markets, claiming that Facebook, for example, is entrenched due to strong network effects and high switching costs). While... View Details
- February 2021 (Revised March 2021)
- Case
AptDeco: Circular Economy Furniture Marketplace
By: Ayelet Israeli and Jamie Merkrebs
AptDeco, a used furniture marketplace, was growing rapidly in the tri-state area. The co-founders were confident that the business model, financial position, and unit economics positioned AptDeco for scaling in the massive $120 billion furniture market, despite its... View Details
Keywords: E-Commerce Strategy; Mobile; Word-of-Mouth; Word-of-mouth Marketing; Word Of Mouth; Internet Marketing; Growth Strategy; Platform; Platforms; Two Sided Markets; Two-sided Market; Two-sided Marketplace; Two-Sided Markets; Two-sided Network; Black Entrepreneurs; Black Leadership; African Americans; Circular; Peer-to-peer Markets; Furniture Industry; Furniture; Growth Hacking; Monetization Strategy; African-American Protagonist; Growth Management; Marketing Strategy; Entrepreneurship; Digital Platforms; Marketing Channels; Digital Marketing; Consumer Behavior; Acquisition; Growth and Development Strategy; Customer Focus and Relationships; E-commerce; Retail Industry; Consumer Products Industry; Technology Industry; Web Services Industry; United States; North America; New York (city, NY); New York (state, US)
- 2021
- Working Paper
Exclusive Dealing and Entry by Competing Two-Sided Platforms
By: Cristian Chica, Kenneth Chuk and Jorge Tamayo
We study competition between horizontally differentiated platforms offering exclusive and non-exclusive contracts to one side of the market (content providers). The introduction of non-exclusive contracts in addition to exclusive contracts softens the competition for... View Details