Publications

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

Teaching Interest

Overview

Chu's teaching focuses on businesses providing goods and services to the emerging middle class and low-income sectors that constitute the market below the well-served top of the socio-economic pyramid. In developed countries such as the USA, this may be 40-50% of the... View Details

Keywords: Business At The Base Of The Pyramid; Emerging Markets; Low-income; Social Impact; Microfinance; Inclusive Finance; Impact Investing

January 2018
Technical Note

The Scope of Business at the Base of the Pyramid: Middle and Lower Income Countries

By: V. Kasturi Rangan and Tricia Gregg

Using World Bank data, the note defines the Base of the Pyramid population as the 4.76 billion people living on less than $10/day. It briefly reviews the perspectives of key business articles that address this market, notably C.K. Prahalad’s work on Bottom of the... View Details

Keywords: Developing Countries and Economies; Poverty; Social Issues; Human Needs; Segmentation

June 2022
Teaching Plan

Lifebank Nigeria

By: Brian Trelstad, Pippa Tubman Armerding and Wale Lawal

The aspiration of addressing maternal deaths in Nigeria, which were mostly caused by blood shortages, led Temie Giwa-Tubosun to found LifeBank in 2015. LifeBank developed an online platform that enabled hospitals to connect and purchase blood from local blood banks and... View Details

Keywords: Systems Design; Social Business; Business At The Base Of The Pyramid; Health Care; Blood; Social Enterprise; Health Care and Treatment; Growth and Development Strategy; Finance; Health Industry; Transportation Industry; Africa; Nigeria

January 2018
Technical Note

Business at the Base of the Pyramid: Understanding Impact and Impact Evaluations

By: V. Kasturi Rangan and Tricia Gregg

Unlike financial success, there is no clear consensus regarding how best to define and measure social impact. This HBS Technical Note written for students of the HBS MBA course Business at the Base of the Pyramid (BBOP), offers readers pragmatic perspectives on how the... View Details

Keywords: Developing Countries and Economies; Social Issues; Value Creation; Human Needs; Performance Evaluation

October 2020
Case

LifeBank Nigeria

By: Brian Trelstad, Pippa Tubman Armerding and Wale Lawal

The aspiration of addressing maternal deaths in Nigeria, which were mostly caused by blood shortages, led Temie Giwa-Tubosun to found LifeBank in 2015. LifeBank developed an online platform that enabled hospitals to connect and purchase blood from local blood banks and... View Details

Keywords: Systems Design; Social Business; Business At The Base Of The Pyramid; Health Care; Blood; Social Enterprise; Health Care and Treatment; Growth and Development Strategy; Finance; Health Industry; Transportation Industry; Africa; Nigeria

23 May 2014
Video

Business a the Base of the Pyramid: Shawn Cole

23 May 2014
Video

Business at the Base of the Pyramid: Michael Chu

01 Mar 2025
News

On The Case: The Base Factor

In her research as a marketing modeler, Professor Eva Ascarza focuses on understanding customers—and predicting, in particular, who will be a good one and how best to retain them. Without customers, obviously, there is no business. That could also be the tagline for... View Details

Keywords: Jen McFarland Flint

September 2020 (Revised June 2021)
Case

Algramo

By: Michael Chu, Monica Silva and Mariana Cal

Founded in 2013 by José Manuel Moller in Chile, Algramo first became known for addressing the “poverty tax” (the surcharge paid by lower income families for staples sold in smaller sizes) through specially-designed dispensers in low-income neighborhood grocery stores... View Details

Keywords: Packaging-as-a-wallet; Plastic Waste; Business At The Base Of The Pyramid; Reusable Packaging; Alliances With FMCGs To Meet ESG Goals; Social Entrepreneurship; Environmental Sustainability; Strategy; Value Creation; Goals and Objectives; Business Model; Consumer Products Industry; Latin America; South America; Chile

2015
Article

Beliefs About the True Self Explain Asymmetries Based on Moral Judgment

By: George E. Newman, Julian De Freitas and Joshua Knobe

Past research has identified a number of asymmetries based on moral judgments. Beliefs about (a) what a person values, (b) whether a person is happy, (c) whether a person has shown weakness of will, and (d) whether a person deserves praise or blame seem to depend... View Details

Keywords: Concepts; Social Cognition; Moral Reasoning; True Self; Values; Weakness Of Will; Blame; Values and Beliefs; Identity; Moral Sensibility; Happiness

Find at Harvard

Read Now

2002
Chapter

The Resource Based View of Strategy: A Behavioral Critique

Keywords: Resource Allocation; Corporate Strategy

23 May 2014
Video

Business at the Base of the Pyramid: Kasturi "Kash" Ragan

28 May 2019
News

Case Study: Building the Base

needs to grow to around 50,000 subscribers to show traction. Of course, his current subscribers would like a more premium offering, which might draw in more users. But this is the classic entrepreneur’s... View Details

Keywords: Jen McFarland Flint; News, Library, Internet, and Other Services; Information

The Value of Advice: Evidence from Mobile-Phone Based Agricultural Extension

This paper evaluates the role of mobile phone-based advice in improving managerial practices of small-scale cotton farmers in Gujarat, India. Demand for the service, “Avaaj Otalo,” is strong, even among farmers with very low levels of education. The service... View Details

31 Mar 2011
News

India Journal: Where’s the Upside at the Base of the Pyramid?

Article

Towards the Unification and Robustness of Perturbation and Gradient Based Explanations

By: Sushant Agarwal, Shahin Jabbari, Chirag Agarwal, Sohini Upadhyay, Steven Wu and Himabindu Lakkaraju

As machine learning black boxes are increasingly being deployed in critical domains such as healthcare and criminal justice, there has been a growing emphasis on developing techniques for explaining these black boxes in a post hoc manner. In this work, we analyze two... View Details

Keywords: Machine Learning; Black Box Explanations; Decision Making; Forecasting and Prediction; Information Technology

Read Now

Research Summary

Overview

Chu's research is focused on business and low income sectors, particularly in the use of commercial platforms to deliver what has traditionally been considered public responsibilities. In the last three decades, business models have emerged to meet the underserved... View Details

Keywords: Impact Investing; Microfinance; Base Of The Pyramid; Role Of Profit And Social Impact; Private Sector Development; Emerging Markets; Business Ventures; Health Care and Treatment; Management; Social Enterprise; Strategy; Financial Services Industry; Banking Industry; Health Industry; Latin America; North and Central America; Asia; Africa

July 2005
Article

The Consequences of Labor Market Flexibility: Panel Evidence Based on Survey Data

By: Rafael Di Tella and Robert MacCulloch

We introduce a new data set on hiring and firing restrictions for 21 OECD countries for the period 1984 –1990. The data are based on surveys of business people in the countries covered, so the indices we use are subjective in nature. Controlling for country and time... View Details

Keywords: Job Security Provisions; Subjective Data; Unemployment; Employment; Labor; Markets; Data and Data Sets