Publications

July 2021
Article

Big Data for Social Benefits: Innovation as a Mediator of the Relationship between Big Data and Corporate Social Performance

By: Goran Calic and Maryam Ghasemaghaei

Over the last decade, the use big data in firms has seen a rapid increase. Whilst scholars have begun to unpack the relationship between big data utilisation and financial performance, significant uncertainty exists about the ethical uses of this new asset. Whether... View Details

Keywords: Analytics and Data Science; AI and Machine Learning; Performance Improvement; Organizational Change and Adaptation

2020
Working Paper

Social Interactions in Pandemics: Fear, Altruism, and Reciprocity

By: Laura Alfaro, Ester Faia, Nora Lamersdorf and Farzad Saidi

In SIR models, homogeneous or with a network structure, infection rates are assumed to be exogenous. However, individuals adjust their behavior. Using daily data for 89 cities worldwide, we document that mobility falls in response to fear, as approximated by Google... View Details

Keywords: Social Interactions; Pandemics; Mobility; Cities; SIR Networks; Social Preferences; Social Planner; Targeted Policies; Health Pandemics; Interpersonal Communication; Behavior; Policy

Research Summary

Managing Marketspace Service Interfaces

By: Jeffrey F. Rayport

Jeffrey F. Rayport is focusing on the strategic challenges that face businesses selling information-intensive products and services. A key strategic issue in such businesses is the dematerialization of information-intensive products and services as a consequence of... View Details

February 2023
Case

Enstitute

By: Lindsay N. Hyde, Thomas R. Eisenmann, Kumba Sennaar and Sarah Mehta

Shaila Ittycheria (MBA ’10) founded the nonprofit organization Enstitute, in 2012 in New York City. Determined to challenge the status quo within higher education, Shaila and her cofounder sought to expand opportunities for talented young people by placing them in... View Details

Keywords: Social Entrepreneurship; Operations; Business Startups; Business Growth and Maturation; Education Industry; Employment Industry; United States

October 1997 (Revised June 1998)
Case

Woolworths South Africa

By: David B. Yoffie and Anthony St. George

Woolworths South Africa is one of the most successful retail chains in the country, modeled on Marks and Spencer of the United Kingdom. This case focuses on the sources of Woolworth's competitive advantage within South Africa and the challenges of growth in the wake of... View Details

Keywords: Growth and Development Strategy; Competitive Strategy; Corporate Strategy; Growth Management; Global Strategy; Industry Structures; Marketing Strategy; Strategy; Business or Company Management; Retail Industry; South Africa

Find at Harvard

January 2025
Case

Real Madrid Club de Fútbol

By: Anita Elberse, Juan Pasquín and Íñigo Pasquín

On June 1, 2024, Spanish soccer club Real Madrid captures its fifteenth Champions League title—more than double the tally of the nearest competitor. Under Florentino Pérez’s leadership, the club has now won six of the last eleven UEFA Champions League titles, and has... View Details

Keywords: Soccer; Football; Entertainment; Media; Talent Management; Superstars; General Management; Sports; Marketing; Recruitment; Competitive Strategy; Growth and Development Strategy; Sports Industry; Entertainment and Recreation Industry; Media and Broadcasting Industry

27 Sep 2010
Research & Ideas

Customer Experts Lose Influence When Teams are Pressured

It's a common problem: A work team tackles a high-pressure project for a client, but along the way something goes wrong with team dynamics and the client ends up feeling shortchanged. Even though team members initially recognize and value... View Details

Keywords: by Sarah Jane Gilbert

January 2014 (Revised October 2014)
Case

Andreessen Horowitz

By: Thomas R. Eisenmann and Liz Kind

Andreessen Horowitz (a16z), a venture capital firm launched in 2009, has quickly broken into the VC industry's top ranks, in terms of its ability to invest in Silicon Valley's most promising startups. The case recounts the firm's history; describes its co-founders'... View Details

Keywords: Business Model; Venture Capital; Disruption; Entrepreneurship; Industry Structures; Financial Services Industry; California

2022
Working Paper

Why Do Index Funds Have Market Power? Quantifying Frictions in the Index Fund Market

By: Zach Y. Brown, Mark Egan, Jihye Jeon, Chuqing Jin and Alex A. Wu

Index funds are one of the most common ways investors access financial markets and are perceived to be a transparent and low-cost alternative to active investment management. Despite these purported virtues of index fund investing and the introduction of new products... View Details

Keywords: Mutual Funds; Passive Investing; Asset Management; Financial Markets; Investment Funds; Financial Management; Financial Services Industry; United States

June 2024
Article

Redistributive Allocation Mechanisms

By: Mohammad Akbarpour, Piotr Dworczak and Scott Duke Kominers

Many scarce public resources are allocated at below-market-clearing prices, and sometimes for free. Such "non-market" mechanisms sacrifice some surplus, yet they can potentially improve equity. We develop a model of mechanism design with redistributive concerns. Agents... View Details

Keywords: Equality and Inequality; Welfare; Mathematical Methods; Market Design; Cost vs Benefits

SSRN

February 2010 (Revised March 2016)
Background Note

Marketing Analysis Toolkit: Break-even Analysis

By: Thomas J. Steenburgh and Jill Avery

Marketing managers are often called upon to make recommendations for or against programs that cost money to implement. Before expenditures are made, managers want to be sure that they will be getting a return on their investment. One way of assessing this is by... View Details

Keywords: Decision Making; Investment Return; Spending; Management Analysis, Tools, and Techniques; Marketing Strategy; Strategic Planning; Mathematical Methods

2008
Working Paper

Opening Platforms: How, When and Why?

By: Thomas R. Eisenmann, Geoffrey Parker and Marshall Van Alstyne

Platform-mediated networks encompass several distinct types of participants, including end users, complementors, platform providers who facilitate users' access to complements, and sponsors who develop platform technologies. Each of these roles can be opened-that... View Details

Keywords: Decision Choices and Conditions; Governance Controls; Market Participation; Digital Platforms

February 2010 (Revised January 2014)
Supplement

CommonAngels (B)

By: Lynda M. Applegate and Kaitlyn Simpson

This case discusses changes in CommonAngels' investment model and organization between 2005 and 2009. View Details

Keywords: Business Model; Entrepreneurship; Venture Capital; Investment; Organizational Structure; Social and Collaborative Networks; Financial Services Industry

July 2008
Case

eHarmony

By: Mikolaj Jan Piskorski, Hanna Halaburda and Troy Smith

eHarmony's CEO needs to decide how to react to imitations of its business model, encroachment by competing models, and ascendance of free substitutes. The case provides four options to address these threats and asks students to choose one after they analyzed the... View Details

Keywords: Business Model; Decision Choices and Conditions; Growth and Development Strategy; Industry Structures; Competitive Strategy; Competitive Advantage; Service Industry