Publications

October 2023 (Revised March 2024)
Case

KOKO Networks: Bridging Energy Transition and Affordability with Carbon Financing

By: George Serafeim, Siko Sikochi and Namrata Arora

The problem was massive: two million hectares of African forests were lost annually to charcoal production for cooking, an area equivalent to 13 times Greater London, resulting in one billion tons of carbon emissions yearly. At the same time, an estimated 700,000... View Details

Keywords: Clean Tech; Digital; Carbon Credits; Carbon Offsetting; Climate Change; Entrepreneurship; Energy Sources; Environmental Sustainability; Health; Market Design; Business Startups; Transition; Environmental Regulation; Policy; Consumer Products Industry; Consumer Products Industry; Africa; Kenya; Rwanda

2021
Working Paper

Friends and Family Money: P2P Transfers and Financially Fragile Consumers

By: Tetyana Balyuk and Emily Williams

We assess the impact that real time money transfer technology has on consumer outcomes, particularly during periods of financial fragility. We do this by developing a new data set that documents use of Zelle—the most widely used P2P money transfer technology in the... View Details

Keywords: P2P Money Transfers; Real Time Payments; Fintech; Finance; Information Technology; Personal Finance; Financial Condition

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August 2020 (Revised May 2021)
Case

PayPal: The Next Chapter

By: Michael Porter, Mark Kramer and Annelena Lobb

Can a social purpose and stakeholder capitalism confer a powerful competitive advantage in the age of COVID-19? For PayPal, the answer is yes. After spinning off from eBay in a 2015 IPO, the company declared its purpose as "democratizing financial services" by ensuring... View Details

Keywords: Mission and Purpose; Finance; Business and Stakeholder Relations; Social Entrepreneurship; Competitive Advantage; Financial Services Industry

September 2019 (Revised May 2020)
Case

Keroche (A): Fighting for Share in the Kenyan Alcoholic Drinks Market

By: Ramon Casadesus-Masanell and Pippa Tubman Armerding

This case discusses the challenges faced by Kenyan alcoholic drinks producer Keroche Industries Limited in 2003, when the Kenyan government accused the company of manufacturing and selling substandard alcoholic drinks, revoked its liquor licenses, and shut down its... View Details

Keywords: Keroche; Alcohol; Wine; Manufacturing; Informal Market; Regulation; Illicit; Illegal; Shutdown; Factory; Low-income Consumers; Multinational; Local; Government; Allegations; Accusations; Negative Press; EABL; Tusker; Beer; SAB; Chang'aa; Naivasha; Rift Valley; East Africa; Lawsuit; Legal Battle; Business Ventures; Business Exit or Shutdown; Business Growth and Maturation; Business Startups; Production; Safety; Quality; Distribution; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Social Issues; Poverty; Strategy; Competition; Entrepreneurship; Manufacturing Industry; Food and Beverage Industry; Kenya; Nairobi; Africa

September 2019
Supplement

Keroche (B): Considering Entry into the Kenyan Beer Market

By: Ramon Casadesus-Masanell and Pippa Tubman Armerding

This case discusses the situation of the Kenyan alcoholic drinks producer Keroche in July 2004, when co-founder Tabitha Karanja was debating whether to enter the Kenyan beer market. Doing so would mean direct competition with the multinational EABL in an industry and... View Details

Keywords: Keroche; Alcohol; Alcoholic Drinks; Alcoholic Beverages; Beverages; Drinks; Wine Industry; Wine; Fortified Wine; Viena; Beer; Beer Market; Manufacturing; Production Capacity; Capacity; Growth; Regulated; Unregulated; Informal; Informal Market; Regulation; Illicit; Illegal; Substandard; Dangerous; Shutdown; Factory; Safe; Affordable; Low-income Consumers; Business Growth and Maturation; Business Startups; Production; Investment; Safety; Quality; Small Business; Family Business; Crime and Corruption; Customer Focus and Relationships; Decisions; Income; Demographics; Geographic Scope; Geographic Location; Goods and Commodities; Government Legislation; Growth and Development; Business History; Lawsuits and Litigation; Laws and Statutes; Lawfulness; Goals and Objectives; Consumer Behavior; Market Entry and Exit; Problems and Challenges; Social Issues; Poverty; Strategy; Competition; Entrepreneurship; Marketing; Manufacturing Industry; Food and Beverage Industry; Kenya; Nairobi; Africa

September 2019 (Revised May 2020)
Supplement

Keroche (C): The Excise Tax Increase

By: Ramon Casadesus-Masanell and Pippa Tubman Armerding

This case discusses the Kenyan government’s decision to increase excise taxes on wines in 2007. The tax increase would cause an average increase in price of 367% on Keroche’s fortified wines. Meanwhile, Keroche’s competitor EABL had effectively lobbied the government... View Details

Summer 2017
Article

Measuring Consumer Preferences for Video Content Provision via Cord-Cutting Behavior

By: Jeffrey Prince and Shane Greenstein

The television industry is undergoing a generational shift in structure; however, many demand-side determinants are still not well understood. We model how consumers choose video content provision among over-the-air (OTA), paid subscription to cable or satellite, and... View Details

Keywords: Information Technology; Service Delivery; Consumer Behavior; Television Entertainment; Service Industry; Media and Broadcasting Industry

Find at Harvard

September 2016 (Revised March 2021)
Case

DBL Partners: Double Bottom Line Venture Capital

By: Shawn Cole, Mark Kramer, Tony L. He, Anshul Maudar and T. Robert Zochowski

This case explores the origins and current practices of DBL, a San Francisco–based venture capital fund and one of the first impact investment funds to achieve significant financial returns to scale. This case allows for a competitive analysis of DBL's investment... View Details

Keywords: Venture Capital; Investment Funds; Financial Strategy; Financial Services Industry; Tanzania

February 2011 (Revised March 2021)
Case

Hindustan Unilever's 'Pureit' Water Purifier

By: V. Kasturi Rangan and Mona Sinha

The case asks students to formulate a strategy to respond to various competitive threats to its Pureit Water purifier, launched in 2008, targeted at millions of low-income Indian consumers who did not have access to safe drinking water. The case describes in detail the... View Details

Keywords: Multinational Firms and Management; Marketing Strategy; Product Launch; Product Development; Social Enterprise; Competitive Strategy; India

October 2005 (Revised December 2006)
Case

Magazine Luiza: Building a Retail Model of "Courting the Poor"

By: Frances X. Frei and Ricardo Reisen de Pinho

Describes the innovative retail model of the Brazilian firm Magazine Luiza. Magazine Luiza enables low-income consumer credit by applying a flexible and nuanced evaluation system. Additionally, its dedication to customer service, employee motivation, and progressive... View Details

Keywords: Motivation and Incentives; Information Technology; Income; Innovation and Management; Success; Customer Focus and Relationships; Credit; Retail Industry; Brazil

Forthcoming
Article

In the Red: Overdrafts, Payday Lending and the Underbanked

By: Marco Di Maggio, Angela Ma and Emily Williams

The reordering of transactions from “high-to-low” is a controversial bank practice thought to maximize fees paid by low-income customers on overdrawn accounts. We exploit multiple class-action lawsuits resulting in mandatory changes to this practice, coupled with... View Details

Keywords: Overdraft; Payday Loans; Excessive Fees; Underbanked; Underserved; Income; Personal Finance; Borrowing and Debt; Banks and Banking