Publications

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

March 2021 (Revised April 2021)
Case

Making Impact Investing Markets: IFC (A)

By: Shawn A. Cole, John Masko and T. Robert Zochowski

In 2017, the International Finance Corporation (IFC) faced the first big investment decision in its new Scaling Solar project. Founded in 1956, IFC was an international investment body with national governments as shareholders, whose mission was to promote economic... View Details

March 2021 (Revised March 2024)
Case

M-KOPA: Empowering Lives

By: V. Kasturi Rangan, Wale Lawal and Pippa Tubman Armerding

The Pay As You Go solar power company in East Africa had sales of $71 million in 2019. It wished to grow to $300 million by 2025. M-KOPA, founded by three entrepreneurs in 2011, had grown nicely in Kenya and Uganda to reach nearly 750,000 households with an innovative... View Details

Keywords: Mobile Payment; Go-to-market Strategy; Business At The Base Of The Pyramid; Business Growth; Social Entrepreneurship; Renewable Energy; Business Model; Growth and Development Strategy; Expansion; Marketing Strategy; Developing Countries and Economies; Kenya; Uganda; Nigeria

2021
Working Paper

First Law of Motion: Influencer Video Advertising on TikTok

By: Jeremy Yang, Juanjuan Zhang and Yuhan Zhang

This paper engineers an intuitive feature that is predictive of the causal effect of influencer video advertising on product sales. We propose the concept of m-score, a summary statistic that captures the extent to which a product is advertised in the most engaging... View Details

Keywords: Influencer Advertising; Video Advertising; Computer Vision; Machine Learning; Advertising; Online Technology

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

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

Keywords: Social Networks; Platform Competition; Network Effects; Competition; Social Media; Digital Platforms

February 2021
Article

Platform Diffusion at Temporary Gatherings: Social Coordination and Ecosystem Emergence

By: Tommy Pan Fang, Andy Wu and David R. Clough

Software platforms create value by cultivating an ecosystem of complementary products and services. Existing explanations for how a prospective complementor chooses platforms to join assume the complementor has rich information about the range of available platforms.... View Details

January 2021 (Revised October 2021)
Case

eToro: Building the World's Largest Social Trading Network

By: Elie Ofek and Danielle Golan

Social trading platform eToro was preparing for the launch of its expanded offering in the U.S. The company faced critical decisions regarding product-market fit, go-to-market strategy, positioning and monetization. Moreover, it faced the challenge of how best to make... View Details

Keywords: Social Trading Platform; Investment; Social and Collaborative Networks; Marketing Strategy; Expansion; Digital Platforms

January 2021 (Revised March 2022)
Case

Arçelik: From a Dealer Network to an Omnichannel Experience

By: Ayelet Israeli and Fares Khrais

Arçelik Turkey, the country’s market leader in household appliances, was at an omnichannel crossroads in January 2020. Arçelik was a B2B player utilizing a dealership network with an umbrella of brands and had one of the largest brick-and-mortar store networks in... View Details

Winter 2021
Article

Dealmaking Disrupted: The Unexplored Power of Social Media in Negotiation

By: James K. Sebenius, Ben Cook, David A. Lax, Isaac Silberberg and Paul Levy

While social media has had profound effects in many realms, the theory and practice of negotiation have remained relatively untouched by this potent phenomenon. In this article, we survey existing research in this area and develop a broader framework for understanding... View Details

Keywords: Bargaining; 3D Negotiation; Negotiation; Conflict and Resolution; Social Media

November 2020
Case

Guild Education: Unlocking Opportunity for America's Workforce

By: William A. Sahlman, Michael D. Smith, Nicole Tempest Keller and Alpana Thapar

Founded in 2015, Guild Education is an education marketplace that connects employers and universities to provide employees with ‘education as a benefit.’ The Denver-based company is transforming traditional tuition assistance programs by facilitating direct payment by... View Details

Keywords: Education; Digital Platforms; Information Technology; Employees; Social Enterprise; Education Industry; Technology Industry; Colorado

October 2020
Supplement

OpenIDEO (B)

By: Karim R. Lakhani, Anne-Laure Fayard, Manos Gkeredakis and Jin Hyun Paik

In the midst of 2020, as the coronavirus pandemic was unfolding, OpenIDEO—an online open innovation platform focused on design-driven solutions to social issues—rapidly launched a new challenge to improve access to health information, empower communities to stay safe... View Details

2020
Book

Le Manifeste travail: Démocratiser, démarchandiser, dépolluer [The Working Manifesto: Democratize, Decommodify, Decarbonize]

By: Isabelle Ferreras, Julie Battilana and Dominique Méda

Authored at the height of the 2020 coronavirus pandemic, this book is the result of an international collaboration between twelve female academics who apply their expertise to offer a blueprint for a more resilient, dignified, and sustainable society. The extension of... View Details

Keywords: Society; Economics; Labor; Environmental Sustainability; Social Issues; Ethics

September 2020 (Revised November 2020)
Case

d.light

By: Michael Chu, Krishna G. Palepu and Dilyana Karadzhova Botha

Kenyan off-grid-solar pioneer d.light can power entire homes in rural Africa but must now decide how to fund the growth of its asset-heavy business model. Ned Tozun and Sam Goldman founded d.light in 2006 to transform lives through solar solutions enabling access to... View Details

Keywords: Alternative Energy; Business Model; Capital; Emerging Markets; Expansion; Financial Strategy; Renewable Energy; Strategy; Social Entrepreneurship; Energy Industry; Africa; Kenya; India

September 7, 2020
Article

Remote Networking as a Person of Color

By: Laura Morgan Roberts and Anthony J. Mayo

In remote work situations, where people cannot rely on impromptu elevator conversations or water cooler chats with coworkers, the answer isn’t to turn inward. In fact, the need for networking is even more important. In particular, our interactions with people whose... View Details

Keywords: Remote Work; Networking; Networks; Interpersonal Communication; Race

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September 2020
Case

Uber at a Crossroads (2017)

By: Ramon Casadesus-Masanell and Karen Elterman

This case describes the history of Uber, its business model—including the ways it differed from that of the traditional taxi industry—and its competition with Lyft. The case is set in 2017, a year in which Uber was plagued by even more scandals than usual, though its... View Details

2020
Working Paper

Design Rules, Volume 2: How Technology Shapes Organizations: Chapter 3 Transaction Free Zones

By: Carliss Y. Baldwin

In Chapter 2 we saw that the most economical locations for transactions in a task network are the so-called thin crossing points—places where transfers are easy to define, count and pay for. However, in many places in the task network, transfers of material, energy,... View Details

Keywords: Modularity; Information Technology; Organizations

2020
Working Paper

Updating the Balanced Scorecard for Triple Bottom Line Strategies

By: Robert S. Kaplan and David McMillan

Many companies are now attempting to achieve triple bottom line performance on financial, environmental, and societal metrics. Successful strategies for such performance, however, generally require new relationships among multiple players in multiple sectors across a... View Details

Keywords: Balanced Scorecard; Adaptation; Environmental Sustainability; Social Issues; Performance; Strategy