Publications

2007
Working Paper

Dynamics of Platform Competition: Exploring the Role of Installed Base, Platform Quality and Consumer Expectations

By: Feng Zhu and Marco Iansiti

This paper seeks to answer three questions. First, which drives the success of a platform, installed base, platform quality or consumer expectations? Second, when does a monopoly emerge in a platform-based market? Finally, when is a platform-based market socially... View Details

Keywords: Price; Network Effects; Digital Platforms; Monopoly; Quality; Competitive Advantage; Digital Platforms

Read Now

11 May 2018
News

Online Ad Targeting Does Work—As Long As It's Not Creepy

August 2019 (Revised March 2023)
Case

Rand Fishkin at Moz (A)

By: Thomas R. Eisenmann

In 2016, senior management at Moz, a venture capital–backed startup providing software tools for digital marketing professionals, must decide how to address a looming cash flow crisis precipitated by failed efforts to broaden its product line. Seattle-based Moz had... View Details

Keywords: Startups; Scaling; Entrepreneurship; Failure; Business Startups; Diversification; Growth Management; Technology Industry

February 2018 (Revised October 2018)
Case

Wellington Global Impact

By: Shawn Cole and Lynn Schenk

Wellington Global Impact is one of the first public equities impact investing strategies in the market. The case explores how the strategy was developed at Wellington, including an analysis of the culture that supported its development. It also explores the difficulty... View Details

Keywords: Finance; Impact Investing; Investment; Strategy; Corporate Social Responsibility and Impact; Organizational Culture; Analysis

January 2019 (Revised February 2020)
Case

Should a Pension Fund Try to Change the World? Inside GPIF's Embrace of ESG

By: George Serafeim

In the fall of 2018, Hiro Mizuno, the Chief Investment Officer (CIO) of GPIF, the Japanese Government Pension Fund, was reflecting on his efforts to integrate Environmental, Social and Governance (ESG) issues into every aspect of GPIF’s portfolio. His efforts ranged... View Details

Keywords: Pension Funds; ESG (Environmental, Social, Governance) Performance; Investment Funds; Environmental Sustainability; Social Issues; Governance; Leading Change; Economy; Performance Improvement; Japan

August 2007 (Revised June 2008)
Case

The Lapdesk Company: A South African FOPSE

Shane Immelman, founding CEO of Lapdesk (South Africa), is facing several acute problems: a conflict between his director of marketing and his director of field operations; a dramatic increase in prices by a key supplier; and a major strategic alliance that does not... View Details

Keywords: Social Enterprise; For-Profit Firms; Entrepreneurship; Problems and Challenges; Cross-Cultural and Cross-Border Issues; Education Industry; South Africa

06 Jun 2014
News

Twitter’s in Trouble. Here’s How It Can Avoid Becoming the Next AOL

December 2011 (Revised November 2012)
Case

Sustainable Tea at Unilever

By: Rebecca M. Henderson and Frederik Nellemann

Unilever's Lipton Tea had been successful with the first phase of its certification partnership with Rainforest Alliance. Now the company faced challenges in how to push forward with the transformation of more difficult parts of the supply chain and how to market... View Details

Keywords: Environmental Sustainability; Corporate Social Responsibility and Impact; Marketing; Agriculture and Agribusiness Industry

February 2025
Case

Doing Business in Casablanca, Morocco

By: Karen G. Mills, Ahmed Dahawy and Choetsow Tenzin

This case examines the challenges and opportunities of doing business in Morocco. The case explores the various historical, cultural, and social factors that impact the business environment. It also highlights Morocco’s unique economy where cash remains a dominant... View Details

Keywords: Business Model; Cultural Entrepreneurship; Social Entrepreneurship; Business History; Business and Government Relations; Technological Innovation; Cash; Culture; Distribution Industry; Financial Services Industry; Morocco

Dennis “DJ” DiDonna has dedicated his career to commercializing social science research to create organizations which positively impact the world.

He is a Senior Lecturer in the Entrepreneurial Management Unit at Harvard Business School where he teaches the... View Details

May 2022
Case

Maestro Pizza: Coming in Hot!

By: Ramon Casadesus-Masanell and Fares Khrais

Maestro Pizza opened its first store in 2013 after its founder, Khalid Al Omran, recognized an opportunity in Saudi Arabia to offer high quality pizza at affordable prices. The business grew rapidly and under the radar at first, but soon enough caught the attention of... View Details

05 Feb 2007
Research & Ideas

Business and the Global Poor

this market at the bottom of the economic pyramid (BOP) must look beyond just selling products—they must find ways to create social and economic value, according to the editors of a new volume, Business... View Details

Keywords: by Sean Silverthorne

17 Dec 2008
Lessons from the Classroom

‘Ted Levitt Changed My Life’

The details differ slightly, but the story, in its telling, is always the same. Ninety or so MBA students sit nervously awaiting the start of their first Marketing class. At the appointed time—not a minute more or less—a slight man with... View Details

Keywords: by Julia Hanna; Education; Retail

2011
Other Unpublished Work

Aligning Collective Production with Demand: Evidence from Wikipedia

Economic markets align supply and demand through prices. However, many social phenomena lack pricing to inform producers about consumer demand. This can lead to the over- or under-production of certain goods and services. In this paper, I propose a social mechanism... View Details

Keywords: Demand and Consumers; Supply and Industry

SSRN

2021
Working Paper

The Project on Impact Investments' Impact Investment Database

By: M. Diane Burton, Shawn Cole, Abhishek Dev, Christina Jarymowycz, Leslie Jeng, Josh Lerner, Fanele Mashwama, Yue (Cynthia) Xu and T. Robert Zochowski

Impact investing has grown significantly over the past 15 years. From a niche investing segment with only $25 billion AUM in 2013 (WEF 2013), it experienced double-digit growth and developed into a market with an estimated $502 billion AUM (Mudaliapar and Dithrich... View Details

Keywords: Impact Investing; Investment; Analytics and Data Science; Analysis