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- July 2021
- Article
Outsourcing Tasks Online: Matching Supply and Demand on Peer-to-Peer Internet Platforms
By: Zoë Cullen and Chiara Farronato
We study the growth of online peer-to-peer markets. Using data from TaskRabbit, an expanding marketplace for domestic tasks at the time of our study, we show that growth varies considerably across cities. To disentangle the potential drivers of growth, we look...
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Keywords:
Two-sided Market;
Two-sided Platforms;
Peer-to-peer Markets;
Platform Strategy;
Sharing Economy;
Platform Growth;
Internet and the Web;
Digital Platforms;
Strategy;
Market Design;
Network Effects
Cullen, Zoë, and Chiara Farronato. "Outsourcing Tasks Online: Matching Supply and Demand on Peer-to-Peer Internet Platforms." Management Science 67, no. 7 (July 2021): 3985–4003.
- 2021
- Chapter
Towards a Unified Framework for Fair and Stable Graph Representation Learning
By: Chirag Agarwal, Himabindu Lakkaraju and Marinka Zitnik
As the representations output by Graph Neural Networks (GNNs) are increasingly employed in real-world applications, it becomes important to ensure that these representations are fair and stable. In this work, we establish a key connection between counterfactual...
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Agarwal, Chirag, Himabindu Lakkaraju, and Marinka Zitnik. "Towards a Unified Framework for Fair and Stable Graph Representation Learning." In Proceedings of the 37th Conference on Uncertainty in Artificial Intelligence, edited by Cassio de Campos and Marloes H. Maathuis, 2114–2124. AUAI Press, 2021.
- June 2021
- Case
Selassie Atadika: Entrepreneurship in Africa
By: Boris Groysberg, Susan Seligson and Katherine Connolly Baden
This case profiles the career of Ghana-based chef and entrepreneur, Selassie Atadika. In the midst of the COVID-19 pandemic, she faced many questions about the future, such as: How could she convince Ghanaian consumers to view their native cuisine in a fresh,...
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Keywords:
Entrepreneur;
Women And Leadership;
Women-owned Businesses;
Food;
Entrepreneurship;
Growth and Development Strategy;
Food and Beverage Industry;
South Africa
Groysberg, Boris, Susan Seligson, and Katherine Connolly Baden. "Selassie Atadika: Entrepreneurship in Africa." Harvard Business School Case 421-093, June 2021.
- Article
The Covid-19 Pandemic Should Not Delay Actions to Prevent Anticompetitive Consolidation in U.S. Health Care Markets
By: Leemore S. Dafny
This article describes potential regulatory and legislative reforms to assist antitrust enforcement agencies in halting anticompetitive acquisitions and practices, and preserving and promoting competition in health care markets.
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Keywords:
Health Care and Treatment;
Markets;
Competition;
Governing Rules, Regulations, and Reforms
Dafny, Leemore S. "The Covid-19 Pandemic Should Not Delay Actions to Prevent Anticompetitive Consolidation in U.S. Health Care Markets." Promarket (June 10, 2021).
- Article
The CMS New Rule on Ambulatory Surgical Centers Earns Only Partial Credit
By: Junaid Nabi and Robert S. Kaplan
The Centers of Medicare and Medicaid Services (CMS) recently announced that it will be removing more...
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Keywords:
Ambulatory Care;
Payment Policy;
Health Care and Treatment;
Governing Rules, Regulations, and Reforms
Nabi, Junaid, and Robert S. Kaplan. "The CMS New Rule on Ambulatory Surgical Centers Earns Only Partial Credit." Health Affairs Blog (June 2, 2021).
- 2021
- Working Paper
The Old Boys' Club: Schmoozing and the Gender Gap
By: Zoë B. Cullen and Ricardo Perez-Truglia
Offices are social places. Employees and managers take breaks together and talk about
family and hobbies. In this study, we show that employees’ social interactions with their managers
can be advantageous for their careers, and that this phenomenon contributes to the...
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Keywords:
Career;
Promotions;
Social Interactions;
Networking;
Gender;
Personal Development and Career;
Wages;
Social and Collaborative Networks
Cullen, Zoë B., and Ricardo Perez-Truglia. "The Old Boys' Club: Schmoozing and the Gender Gap." Working Paper, June 2021. (American Economic Review 2023, 113(7): 1703–1740. https://doi.org/10.1257/aer.20210863.)
- May 2021 (Revised August 2021)
- Case
Melissa Wood Health: How to Win in the Creator Economy
By: Eva Ascarza
In October 2020, Melissa Wood-Tepperberg, founder of the digital subscription wellness platform Melissa Wood Health (MWH) and creator of ‘The MWH Method,’ was evaluating the strategic directions of her company. What had started as a way to share workouts and wellness...
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Ascarza, Eva. "Melissa Wood Health: How to Win in the Creator Economy." Harvard Business School Case 521-086, May 2021. (Revised August 2021.)
- May 2021
- Case
Career at a Crossroads? (A)
By: James K. Sebenius and Alex Green
A career professional at a major consumer goods company, Kym Lew Nelson is hoping to negotiate a promotion to vice president, which would make her one of the senior-most African American women in the organization. But when Nelson’s white German boss arrives in the...
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Keywords:
Culture;
Negotiation;
Race;
Gender;
Organizational Culture;
Prejudice and Bias;
United States
Sebenius, James K., and Alex Green. "Career at a Crossroads? (A)." Harvard Business School Case 921-018, May 2021.
- May 2021
- Supplement
Career at a Crossroads? (B)
By: James K. Sebenius and Alex Green
A career professional at a major consumer goods company, Kym Lew Nelson is hoping to negotiate a promotion to vice president, which would make her one of the senior-most African American women in the organization. But when Nelson’s white German boss arrives in the...
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Sebenius, James K., and Alex Green. "Career at a Crossroads? (B)." Harvard Business School Supplement 921-019, May 2021.
- 2021
- Working Paper
Getting Schooled: The Role of Universities in Attracting Immigrant Entrepreneurs
By: Natee Amornsiripanitch, Paul A. Gompers, George Hu and Kaushik Vasudevan
Immigrant founders of venture capital-backed companies have been critical to the entrepreneurial ecosystem. We document the channels through which immigrant founders find their way to the United States and how those channels have changed over time. Immigrants have been...
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Amornsiripanitch, Natee, Paul A. Gompers, George Hu, and Kaushik Vasudevan. "Getting Schooled: The Role of Universities in Attracting Immigrant Entrepreneurs." NBER Working Paper Series, No. 28773, May 2021.
- 2021
- Government Testimony
How Health Care Consolidation Is Contributing to Higher Prices and Spending, and Reforms That Could Bolster Antitrust Enforcement and Preserve and Promote Competition in Health Care Markets
By: Leemore S. Dafny
Reforms to antitrust law and enforcement can help to address rising healthcare prices and spending.
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Keywords:
Antitrust Law;
Health Care and Treatment;
Consolidation;
Price;
Spending;
Cost Management;
Governing Rules, Regulations, and Reforms;
Competition;
United States
Dafny, Leemore S. "How Health Care Consolidation Is Contributing to Higher Prices and Spending, and Reforms That Could Bolster Antitrust Enforcement and Preserve and Promote Competition in Health Care Markets." Government Testimony, Washington, DC, United States, April 2021.
- April 2021 (Revised July 2021)
- Case
Public Equities Impact Investing at BlackRock
By: Shawn A. Cole, Vikram S. Gandhi, Michael Norris and John Masko
In early 2021, BlackRock—the world’s largest asset manager with $9 trillion in assets under management (AUM)—sought to become a leader in promoting environmental and social sustainability. Over the previous ten years, CEO Larry Fink had written an annual open letter to...
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Keywords:
Impact Investing;
Renewable Energy;
Climate Change;
Environmental Sustainability;
Equity;
Corporate Social Responsibility and Impact;
Financial Management;
Investment Funds;
Investment Return;
Mission and Purpose;
Organizational Change and Adaptation;
Financial Services Industry;
United States
Cole, Shawn A., Vikram S. Gandhi, Michael Norris, and John Masko. "Public Equities Impact Investing at BlackRock." Harvard Business School Case 221-066, April 2021. (Revised July 2021.)
- March 2021 (Revised April 2021)
- Case
Making Impact Investing Markets: IFC (A)
By: Shawn A. Cole, John Masko and T. Robert Zochowski
In 2017, the International Finance Corporation (IFC) faced the first big investment decision in its new Scaling Solar project. Founded in 1956, IFC was an international investment body with national governments as shareholders, whose mission was to promote economic...
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Keywords:
Impact Investing;
Development Economics;
Developing Countries and Economies;
Renewable Energy;
Climate Change;
Environmental Sustainability;
Borrowing and Debt;
Credit;
Equity;
Bonds;
Financing and Loans;
Growth and Development;
Emerging Markets;
Non-Governmental Organizations;
Corporate Social Responsibility and Impact;
Investment;
Decision Making;
Financial Services Industry;
Energy Industry;
Zambia
Cole, Shawn A., John Masko, and T. Robert Zochowski. "Making Impact Investing Markets: IFC (A)." Harvard Business School Case 221-061, March 2021. (Revised April 2021.)
- March 2021
- Supplement
Making Impact Investing Markets: IFC (B)
By: Shawn A. Cole, John Masko and T. Robert Zochowski
In 2018, Thailand’s Bank of Ayudhya (known as Krungsri), was considering whether to participate in the first issue of a new financial instrument from the International Finance Corporation (IFC), known as a gender bond. Building on the success of the Green Bond program...
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Keywords:
Impact Investment;
Development Economics;
Developing Countries and Economies;
Borrowing and Debt;
Credit;
Equity;
Bonds;
Financing and Loans;
Growth and Development;
Emerging Markets;
Non-Governmental Organizations;
Corporate Social Responsibility and Impact;
Financial Instruments;
Gender;
Financial Services Industry;
Thailand
Cole, Shawn A., John Masko, and T. Robert Zochowski. "Making Impact Investing Markets: IFC (B)." Harvard Business School Supplement 221-081, March 2021.
- March 2021 (Revised January 2023)
- Case
The Trouble with TCE
By: Vincent Pons, Rafael Di Tella and Galit Goldstein
Trichloroethylene, or TCE, was a chemical used by tens of thousands of businesses in the United States. It was an affordable tool for many. Yet, TCE had been associated with important health risks, including cancer and autoimmune disease. TCE potentially posed other...
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Keywords:
Trichloroethylene;
Toxicity;
Lobbying;
Chemicals;
Health Disorders;
Governing Rules, Regulations, and Reforms;
Policy;
Ethics;
Business and Government Relations;
Chemical Industry;
United States
Pons, Vincent, Rafael Di Tella, and Galit Goldstein. "The Trouble with TCE." Harvard Business School Case 721-031, March 2021. (Revised January 2023.)
- 2021
- Working Paper
First Law of Motion: Influencer Video Advertising on TikTok
By: Jeremy Yang, Juanjuan Zhang and Yuhan Zhang
This paper engineers an intuitive feature that is predictive of the causal effect of influencer video advertising on product sales. We propose the concept of m-score, a summary statistic that captures the extent to which a product is advertised in the most engaging...
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Keywords:
Influencer Advertising;
Video Advertising;
Computer Vision;
Machine Learning;
Advertising;
Online Technology
Yang, Jeremy, Juanjuan Zhang, and Yuhan Zhang. "First Law of Motion: Influencer Video Advertising on TikTok." Working Paper, March 2021.
- February 2021
- Case
Threadless: The Renewal of an Online Community
By: Shane Greenstein, Karim Lakhani and Christian Godwin
Threadless, an online apparel company and artist community which Jake Nickell founded in 2000, continued to maintain its status as a top company in the online apparel industry during its second decade. From 2010 to 2020, Threadless continued to operate its...
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Keywords:
Business Model;
Decision Making;
Entrepreneurship;
Innovation and Invention;
Leading Change;
Management;
Marketing;
Product Launch;
Operations;
Supply Chain;
Distribution;
Networks;
Sales;
Strategy;
Adaptation;
Information Technology;
Applications and Software;
Digital Platforms;
Apparel and Accessories Industry;
Technology Industry;
North America
Greenstein, Shane, Karim Lakhani, and Christian Godwin. "Threadless: The Renewal of an Online Community." Harvard Business School Case 621-056, February 2021.
- January 2021
- Case
Value-Based Insurance Design at Onex
By: Joshua Schwartzstein, Amitabh Chandra and Amram Migdal
The operating executives of Health and Benefits for Onex Partners, Megan Jackson Frye and Sam Camens, faced a challenge: Healthcare costs for employees of Onex’s portfolio companies were continuing to rise above the consumer price index, reflecting broader trends...
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Keywords:
Decision Making;
Cost vs Benefits;
Decision Choices and Conditions;
Decisions;
Finance;
Behavioral Finance;
Insurance;
Health;
Health Care and Treatment;
Human Resources;
Compensation and Benefits;
Markets;
Demand and Consumers;
Consumer Behavior;
Social Psychology;
Behavior;
Interests;
Motivation and Incentives;
Perception;
Health Industry;
Insurance Industry;
North America;
United States
Schwartzstein, Joshua, Amitabh Chandra, and Amram Migdal. "Value-Based Insurance Design at Onex." Harvard Business School Case 921-023, January 2021.
- 1 Jan 2021
- Interview
Encore Teams That Succeed with Amy Edmondson
By: Amy C. Edmondson and Wanda Wallace
Teams in which people are not afraid to speak up, to challenge, to risk saying a wild idea are teams with the best performance. Google has found that psychological safety is a key component of their best teams. Yet, people are afraid of causing trouble, looking...
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Keywords:
Psychological Safety;
Organizational Culture;
Trust;
Groups and Teams;
Performance Effectiveness
"Encore Teams That Succeed with Amy Edmondson." Out of the Comfort Zone (podcast), VoiceAmerica Talk Radio Network, January 1, 2021.
- 2021
- Article
Helping and Happiness: A Review and Guide for Public Policy
By: Lara B. Aknin and Ashley V. Whillans
Perhaps one of the most reaffirming findings to emerge over the past several decades is that humans not only engage in generous behavior, they also appear to experience pleasure from doing so. Yet not all acts of helping lead to greater happiness. Here, we review the...
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Aknin, Lara B., and Ashley V. Whillans. "Helping and Happiness: A Review and Guide for Public Policy." Social Issues and Policy Review 15 (2021): 3–34.