Publications

2017
Working Paper

Nowcasting the Local Economy: Using Yelp Data to Measure Economic Activity

By: Edward L. Glaeser, Hyunjin Kim and Michael Luca

Can new data sources from online platforms help to measure local economic activity? Government datasets from agencies such as the U.S. Census Bureau provide the standard measures of economic activity at the local level. However, these statistics typically appear only... View Details

Keywords: Economy; Analytics and Data Science; Local Range; Social and Collaborative Networks

SSRN

Read Now

December 2021
Case

Whistleblowing at Veolia: A Technology Solution

By: Aiyesha Dey, Jonas Heese, Christian Godwin and James Weber

In 2019, Bruno Masson, the vice chairman of Veolia’s Ethics Committee, was preparing for a meeting on a rollout plan for a new whistleblowing system to more countries. Veolia, a global supplier of water, waste, and energy services, had recently gone through several... View Details

Keywords: Whistleblowing; Corporate Misconduct; Corporate Governance; Ethics; Crime and Corruption; Values and Beliefs; Trust; Employee Relationship Management; Utilities Industry

2023
Working Paper

Scapegoating and Discrimination in Times of Crisis: Evidence from Airbnb

By: Michael Luca, Elizaveta Pronkina and Michelangelo Rossi

We present evidence that discrimination against Asian-American Airbnb users sharply increased at the start of the COVID-19 pandemic. Using a DiD approach, we find that hosts with distinctively Asian names experienced a 20 percent decline in guests relative to hosts... View Details

Keywords: Discrimination; Behavioral Economics; Market Design; Health Pandemics; Prejudice and Bias; Digital Platforms; Design

May 2021 (Revised August 2021)
Case

Airbnb During the Pandemic: Stakeholder Capitalism Faces a Critical Test

By: Benjamin C. Esty and Allison Ciechanover

As the COVID pandemic spread in early 2020, global travel ground to a halt. For Airbnb, the San Francisco-based platform for renting accommodations, the impact was both swift and severe as revenues plummeted more than 70% over the prior year. Responding to the sudden... View Details

Keywords: COVID-19 Pandemic; Business and Stakeholder Relations; Corporate Governance; Crisis Management; Leadership; Digital Platforms; Corporate Social Responsibility and Impact; Mission and Purpose; Value Creation; Decision Making; Goals and Objectives; Cross-Cultural and Cross-Border Issues; Travel Industry; Tourism Industry; Service Industry; United States

March 2022
Case

In Data We Trust: Be Mobile Africa and Furthering Financial Inclusion Across the African Continent

By: Lauren Cohen, Grace Headinger and Pierre Marchesseault

To Cédric Jeannot, leveraging technology to promote financial inclusion was personal. After no established financial institution would accept his technology platform to lower transaction costs for free, Jeannot launched FinTech company Be Mobile Africa in May 2020.... View Details

Keywords: Finance; Fintech; Emerging Market; Fundraising; Financial Inclusion; Strategy; Expansion; Management; Entrepreneurship; Personal Finance; Corporate Social Responsibility and Impact; Growth and Development Strategy; Financial Services Industry; Banking Industry; Africa; Togo; Nigeria; Ghana

May 2011 (Revised January 2013)
Case

Nike Football: World Cup 2010 South Africa

By: Elie Ofek and Ryan Johnson

Nike's Football division needs to devise a strategy to excel at the 2010 World Cup games in South Africa. Nike has gone from a niche player in the market for football apparel and footwear in 1994 to a formidable competitor to Adidas in 2008 (with revenues of over $1... View Details

Keywords: Digital Marketing; Business Divisions; Communication; Brands and Branding; Marketing Channels; Marketing Communications; Marketing Strategy; Product Launch; Planning; Competition; Apparel and Accessories Industry; South Africa

January 2022 (Revised April 2025)
Case

Steem Versus Hive: Testing Blockchain Governance

By: Shikhar Ghosh and Shweta Bagai

This case examines a pivotal governance conflict that occurred in 2020 when Justin Sun, founder of the TRON blockchain, acquired Steemit Inc., the company behind a popular social media platform operating on the Steem blockchain. Steem, launched in 2016 by Daniel... View Details

Keywords: Blockchain; Mergers and Acquisitions; Values and Beliefs; Corporate Governance; Organizational Culture; Technology Industry

Forest L. Reinhardt is the John D. Black Professor of Business Administration at Harvard Business School, and HBS’s Senior Associate Dean for Faculty Promotions and Tenure.

Professor Reinhardt is interested in the relationships between market and nonmarket... View Details

Keywords: agribusiness; agriculture; beverage; biotechnology; chemical; energy; federal government; food; food processing; forest products; nonprofit industry; oil ＆ gas; paper; petroleum; tourism; transportation

12 Oct 2006
First Look

First Look: October 12, 2006

Working PapersDo Corporate Social Responsibility Ratings Predict Corporate Social Performance? Authors:Aaron K. Chatterji, David I. Levine, and Michael W. Toffel Abstract Ratings of corporations'... View Details

Keywords: Sean Silverthorne

14 Apr 2014
Working Paper Summaries

Facts and Figuring: An Experimental Investigation of Network Structure and Performance in Information and Solution Spaces

Keywords: by Jesse Shore, Ethan Bernstein & David Lazer

21 Aug 2018
First Look

New Research and Ideas, August 21, 2018

https://www.hbs.edu/faculty/Pages/item.aspx?num=54887 forthcoming Production and Operations Management The Operational Value of Social Media Information By: Cui, Ruomeng, Santiago Gallino, Antonio Moreno, and Dennis J. Zhang... View Details

Keywords: Dina Gerdeman

January 2023
Case

Proday: Calling the Right Play

By: Lindsay N. Hyde, Thomas R. Eisenmann and Tom Quinn

Sarah Kunst knew the elements of a successful startup from her tenure at venture capital firms. In April 2018, however, her own app – Proday, a home fitness platform featuring exercises filmed by professional sports stars – was floundering. Kunst theorized that... View Details

Keywords: Social Media; Entrepreneurship; Advertising; Digital Marketing; Product Launch; Social Marketing; Failure; Sports; Applications and Software; Business Startups; Technology Industry; United States

July 2022
Teaching Note

Arçelik (A), (B): From a Dealer Network to an Omnichannel Experience

By: Ayelet Israeli, Fares Khrais and Menna Hassan

Arçelik Turkey, the country’s market leader in household appliances, was at an omnichannel crossroads in January 2020. Arçelik was a B2B player utilizing a dealership network with an umbrella of brands and had one of the largest brick-and-mortar store networks in... View Details

June 2023
Case

ByteDance: TikTok and the Trials of Going Viral in 2023

By: William C. Kirby, Noah B. Truwit and John P. McHugh

In March 2023, Chew, with an army of well-paid U.S. lobbyists and TikTok creators, descended on Washington. In his testimony, he planned to highlight the 150 million daily active American users on TikTok and how the platform had benefitted small business owners and... View Details

Keywords: Social Media; International Relations; Government Legislation; China; United States

2018
Other Unpublished Work

Trump's Populism: What Business Leaders Need To Understand

By: Rafael Di Tella

In the 2016 United States presidential election, candidates from both major political parties used anti-establishment messaging to appeal to Americans, a theme that had been on the sidelines of US political discourse for decades. Donald Trump, in particular, played... View Details

Keywords: Populism; Globalization; Public Opinion; Social Issues; Government and Politics; Demographics; United States