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      • Faculty Publications  (36)

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      • February 2024
      • Case

      Tabby: Winning Consumers' Digital Wallets

      By: Eva Ascarza and Fares Khrais
      Hosam Arab (MBA 2009), cofounder and CEO of Tabby, a Saudi-based fintech startup, raised its Series D funding round in October 2023, four years after its inception, valuing it as a regional unicorn. Tabby's core product, a buy-now-pay-later (BNPL) service, allowed... View Details
      Keywords: Business Model; Business Startups; Risk Management; Competitive Strategy; Expansion; Financial Services Industry; Technology Industry; Saudi Arabia
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      Ascarza, Eva, and Fares Khrais. "Tabby: Winning Consumers' Digital Wallets." Harvard Business School Case 524-056, February 2024.
      • October 2023
      • Case

      Vida Health: Transforming Chronic Disease Treatment

      By: William Sahlman and Nicole Tempest Keller
      San Francisco based Vida Health, founded by Stephanie Tilenius, former vice president of Commerce and Payments at Google, was a B2B digital health startup focused on the treatment of cardiometabolic conditions, such as diabetes and obesity. Its innovative digital... View Details
      Keywords: Corporate Strategy; Growth and Development Strategy; Demand and Consumers; Health Care and Treatment; Product Marketing; Risk and Uncertainty; Technological Innovation; Health Industry; Technology Industry; United States; California; San Francisco
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      Sahlman, William, and Nicole Tempest Keller. "Vida Health: Transforming Chronic Disease Treatment." Harvard Business School Case 824-001, October 2023.
      • July 2023
      • Article

      Before or After? The Effects of Payment Decision Timing in Pay-What-You-Want Contexts

      By: Raghabendra P. KC, Vincent Mak and Elie Ofek
      We study how payment decision timing—before versus after product delivery—influences consumer payment under pay-what-you-want pricing. We focus on situations where there is minimal change in consumer uncertainty regarding the product before versus after receiving it.... View Details
      Keywords: Price; Behavior; Valuation; Philanthropy and Charitable Giving
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      KC, Raghabendra P., Vincent Mak, and Elie Ofek. "Before or After? The Effects of Payment Decision Timing in Pay-What-You-Want Contexts." Journal of Marketing 87, no. 4 (July 2023): 618–635.
      • May 2022
      • Case

      Rawbank's Illico Cash: Can 'Fast Money' Overcome Cash Dependency in the DRC?

      By: Lauren Cohen and Grace Headinger
      Thomas de Dreux-Brézé, the Head of Strategy and Project Management at Rawbank Congo in the Democratic Republic of the Congo (DRC), was perplexed as he reviewed annual adoption rates for the bank’s launch of Illico Cash 2.0. As the bank’s mobile money app, Illico Cash... View Details
      Keywords: Fintech; Inflation; Deflation; Rural; Urban; Emerging Market; Mobile Technology; Finance; Money; Inflation and Deflation; Business Growth and Maturation; Decision Choices and Conditions; Demographics; Developing Countries and Economies; Corporate Entrepreneurship; Behavioral Finance; Currency; Banks and Banking; Commercial Banking; Financial Strategy; Rural Scope; Urban Scope; Innovation Strategy; Emerging Markets; Network Effects; Consumer Behavior; Mobile and Wireless Technology; Technology Adoption; Banking Industry; Financial Services Industry; Technology Industry; Congo, Democratic Republic of the
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      Cohen, Lauren, and Grace Headinger. "Rawbank's Illico Cash: Can 'Fast Money' Overcome Cash Dependency in the DRC?" Harvard Business School Case 222-084, May 2022.
      • 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
      Keywords: Payment Systems; Information Technology; Value Creation; Network Effects; Strategy; Disruptive Innovation; Initial Public Offering; Technology Industry; Financial Services Industry; China
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      Palepu, Krishna G., Feng Zhu, Susie L. Ma, and Kerry Herman. "Ant Group (A)." Harvard Business School Case 122-003, October 2021. (Revised February 2023.)
      • 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
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      Farronato, Chiara, Stefano Denicolai, and Sarah Mehta. "Telepass: From Tolling to Mobility Platform." Harvard Business School Case 622-011, September 2021. (Revised December 2021.)
      • March 2021 (Revised January 2022)
      • Case

      Philips: Redefining Telehealth

      By: Regina E. Herzlinger, Alec Petersen, Natalie Kindred and Sara M. McKinley
      As one of the world’s largest healthcare companies, Philips sought to reach beyond the walls of the hospital and expand its hospital-to-home program to gain future competitive advantage through technology solutions combining predictive analytics with care delivery. By... View Details
      Keywords: Health Care; Philips; Visicu; Telemedicine; eICU; Accountable Care Organization; ACO; Bundled Payment; Hospital To Home; Patient Monitoring Devices; Home Health Care; Health Care and Treatment; Communication Technology; Quality; Safety; Performance Productivity; Performance Capacity; Performance Efficiency; Consumer Behavior; Emerging Markets; Health Industry; Telecommunications Industry; Netherlands
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      Herzlinger, Regina E., Alec Petersen, Natalie Kindred, and Sara M. McKinley. "Philips: Redefining Telehealth." Harvard Business School Case 321-135, March 2021. (Revised January 2022.) (As companion reading for this case, see: Regina E. Herzlinger and Charles Huang. "Note on Bundled Payment in Health Care," HBS Background Note 312-032.)
      • 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
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      Moreno, Antonio, and Anibha Singh. "Afterpay U.S.: The Omnichannel Dilemma." Harvard Business School Teaching Note 521-074, March 2021. (Revised February 2025.)
      • December 2019
      • Case

      Steemit: A New Social Media?

      By: Ramon Casadesus-Masanell, Alexander White and Karen Elterman
      This case discusses the alternative social media site Steemit, including the principles it was founded on in 2016 and the challenges it faced in 2019. Steemit was a blockchain-based platform that aimed to differentiate itself from other social media companies by... View Details
      Keywords: Decision Making; Decisions; Voting; Economic Systems; Money; Fairness; Values and Beliefs; Goals and Objectives; Digital Platforms; Product Design; Design; Problems and Challenges; Network Effects; Motivation and Incentives; Social and Collaborative Networks; Reputation; Business Strategy; Competition; Internet and the Web; Social Media; Entertainment and Recreation Industry; United States; Virginia; New York (city, NY)
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      Casadesus-Masanell, Ramon, Alexander White, and Karen Elterman. "Steemit: A New Social Media?" Harvard Business School Case 720-428, December 2019.
      • October 2019
      • Case

      Kaspi.kz IPO

      By: Victoria Ivashina and Esel Çekin
      This case follows Kaspi.kz, a private equity (Baring Vostok) co-owned retail bank in Central Asia that evolved into a fintech, payments and e-commerce company. It provides insights into private equity financing, portfolio company management, and initial public offering... View Details
      Keywords: Finance; Private Equity; Initial Public Offering; Organizational Change and Adaptation; Central Asia
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      Ivashina, Victoria, and Esel Çekin. "Kaspi.kz IPO." Harvard Business School Case 220-007, October 2019.
      • 2019
      • Working Paper

      The Effect of Payment Choices on Online Retail: Evidence from the 2016 Indian Demonetization

      By: Chaithanya Bandi, Antonio Moreno, Donald Ngwe and Zhiji Xu
      The Indian banknote demonetization in 2016 was one of the most significant international events of that year. Overnight, 86% of Indian currency in circulation was declared invalid unless exchanged for new bills. The sudden and unexpected demonetization constituted a... View Details
      Keywords: Cash On Delivery; Online Retail; Product Returns; Payment Methods; Digitization; Emerging Markets; Currency; Internet and the Web; Demand and Consumers; Retail Industry; India
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      Bandi, Chaithanya, Antonio Moreno, Donald Ngwe, and Zhiji Xu. "The Effect of Payment Choices on Online Retail: Evidence from the 2016 Indian Demonetization." Harvard Business School Working Paper, No. 19-123, June 2019.
      • April 2019
      • Case

      Afterpay U.S.: The Omnichannel Dilemma

      By: Antonio Moreno, Donald Ngwe and George Gonzalez
      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 purchases through four interest-free... View Details
      Keywords: Omnichannel Retail; Multi-sided Platforms; Value Creation; Business Model Innovation; Fintech; Digital Marketing; Disruptive Innovation; 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 Channels; Brands and Branding; 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; Retail Industry; Technology Industry; United States; Australia
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      Moreno, Antonio, Donald Ngwe, and George Gonzalez. "Afterpay U.S.: The Omnichannel Dilemma." Harvard Business School Case 519-086, April 2019.
      • 2018
      • Working Paper

      Opportunistic Returns and Dynamic Pricing: Empirical Evidence from Online Retailing in Emerging Markets

      By: Chaithanya Bandi, Antonio Moreno, Donald Ngwe and Zhiji Xu
      We investigate how dynamic pricing can lead to more product returns in the online retail industry. Using detailed sales data of more than two million transactions from the Indian online retail market, where price promotions are very common, we document two types of... View Details
      Keywords: Cash On Delivery; Dynamic Pricing; Online Retail; Payment Methods; Strategic Customer Behavior; Opportunistic Returns; Price; Policy; Consumer Behavior; Emerging Markets; Retail Industry
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      Bandi, Chaithanya, Antonio Moreno, Donald Ngwe, and Zhiji Xu. "Opportunistic Returns and Dynamic Pricing: Empirical Evidence from Online Retailing in Emerging Markets." Harvard Business School Working Paper, No. 19-030, September 2018.
      • September 2018 (Revised January 2020)
      • Case

      Apple Pay and Mobile Payments in Australia (A)

      By: Feng Zhu, Susan Athey and David Lane
      In summer 2016, four of Australia’s top five banks petitioned regulators for permission to bargain collectively with Apple over the terms under which they would support its digital wallet, Apple Pay. They argued that doing so would force concessions from Apple that... View Details
      Keywords: Payment Methods; Mobile Payment; Apple; Banks and Banking; Cooperation; Problems and Challenges; Policy; Digital Platforms; Banking Industry; Australia
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      Zhu, Feng, Susan Athey, and David Lane. "Apple Pay and Mobile Payments in Australia (A)." Harvard Business School Case 619-010, September 2018. (Revised January 2020.)
      • July 2018 (Revised July 2018)
      • Teaching Note

      Argentina Power—Don’t Cry for Me Argentina

      By: Nori Gerardo Lietz and Sayiddah Fatima McCree
      Teaching Note for HBS No. 218-041. This case concerns a complex potential energy infrastructure investment in Argentina by a global conglomerate shortly after Mauricio Macri (“Macri”) became President of Argentina in 2015. The central issues are (i) why was a country... View Details
      Keywords: Argentina; Argentine Exceptionalism; Infrastructure Finance; Investing; Finance; Inflation and Deflation; Government and Politics; Energy Generation; Infrastructure; Utilities Industry; Energy Industry; Financial Services Industry; Argentina; South America
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      Lietz, Nori Gerardo, and Sayiddah Fatima McCree. "Argentina Power—Don’t Cry for Me Argentina." Harvard Business School Teaching Note 219-010, July 2018. (Revised July 2018.)
      • 2018
      • Working Paper

      Opportunistic Returns and Dynamic Pricing: Empirical Evidence from Online Retailing in Emerging Markets

      By: Chaithanya Bandi, Antonio Moreno, Donald Ngwe and Zhiji Xu
      We investigate how dynamic pricing can lead to higher operational costs through more product returns in the online retail industry. Dynamic pricing has been widely applied by many online retailers. Research has shown that, in response to dynamic pricing, some customers... View Details
      Keywords: Price; Policy; Consumer Behavior; Cost Management; Emerging Markets; Retail Industry
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      Bandi, Chaithanya, Antonio Moreno, Donald Ngwe, and Zhiji Xu. "Opportunistic Returns and Dynamic Pricing: Empirical Evidence from Online Retailing in Emerging Markets." Working Paper, September 2018.
      • March 2017 (Revised March 2019)
      • Case

      Ant Financial (A)

      By: Feng Zhu, Ying Zhang, Krishna G. Palepu, Anthony K. Woo and Nancy Hua Dai
      Headquartered in Hangzhou (China), Ant Financial has grown into a fintech “Unicorn.” The fintech empire that the company established spanned verticals such as mobile and online payment (Alipay), money market fund (Yu’e Bao), wealth management (Ant Fortune),... View Details
      Keywords: Growth and Development Strategy; Global Strategy; Finance; Opportunities; Financial Services Industry; Technology Industry
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      Zhu, Feng, Ying Zhang, Krishna G. Palepu, Anthony K. Woo, and Nancy Hua Dai. "Ant Financial (A)." Harvard Business School Case 617-060, March 2017. (Revised March 2019.)
      • January 2017
      • Case

      Bayer AG: Bidding to Win Merck's OTC Business

      By: Benjamin C. Esty, Marc Baaij and Arjen Mulder
      Shortly after submitting their best and final offer to acquire Merck's Consumer Care Division (a collection of "over-the-counter" (OTC) products with sales totaling $2 billion), the Bayer M&A team was given a chance to revise their bid because another potential... View Details
      Keywords: Acquisition; Bidding Strategy; Valuing Synergies; Negotiations; Corporate Strategy; Business Unit Strategy; Bidding Process; Discounted Cash Flow; Cross-border M&A; Tax Shields; Valuation; Competitive Strategy; Auctions; Bids and Bidding; Germany; United States; United Kingdom
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      Esty, Benjamin C., Marc Baaij, and Arjen Mulder. "Bayer AG: Bidding to Win Merck's OTC Business." Harvard Business School Case 217-021, January 2017.
      • October 2016
      • Case

      Moshe Kahlon: Telecommunications Reform and Competition in Israel's Cellular Market (A)

      By: Joshua Margolis, Amram Migdal and Kerry Herman
      The case addresses reforms to regulations in Israel’s telecommunications industry initiated and implemented under the leadership of Minister of Communications Moshe Kahlon in 2009-2010. The case highlights the challenges faced by a politician attempting to institute... View Details
      Keywords: Market Reform; Political Leadership; Industry Regulation; Regulatory Reforms; Economic Sectors; Private Sector; Public Sector; Ethics; Values and Beliefs; Geopolitical Units; Country; Geography; Government Administration; Government Legislation; Business History; Leadership Style; Leading Change; Market Design; Market Participation; Supply and Industry; Duopoly and Oligopoly; Industry Structures; Telecommunications Industry; Communications Industry; Public Administration Industry; Israel
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      Margolis, Joshua, Amram Migdal, and Kerry Herman. "Moshe Kahlon: Telecommunications Reform and Competition in Israel's Cellular Market (A)." Harvard Business School Case 417-017, October 2016.
      • October 2016
      • Supplement

      Moshe Kahlon: Telecommunications Reform and Competition in Israel's Cellular Market (B)

      By: Joshua Margolis, Amram Migdal and Kerry Herman
      The case complements “Moshe Kahlon: Telecommunications Reform and Competition in Israel’s Cellular Market (A),” HBS case number 417-017, which addresses reforms to regulations in Israel’s telecommunications industry initiated and implemented under the leadership of... View Details
      Keywords: Market Reform; Political Leadership; Industry Regulation; Regulatory Reforms; Economic Sectors; Private Sector; Public Sector; Values and Beliefs; Ethics; Geography; Geopolitical Units; Country; Government and Politics; Government Administration; Government Legislation; Leadership; Leadership Style; Leading Change; Market Design; Market Participation; Duopoly and Oligopoly; Supply and Industry; Industry Structures; Telecommunications Industry; Communications Industry; Public Administration Industry; Israel
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      Margolis, Joshua, Amram Migdal, and Kerry Herman. "Moshe Kahlon: Telecommunications Reform and Competition in Israel's Cellular Market (B)." Harvard Business School Supplement 417-018, October 2016.
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