Heterogeneous Treatment Effect - Publications - Faculty & Research - Harvard Business School

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April 2024 (Revised July 2024)
Case

Market Dynamics and Moral Dilemmas: Novo Nordisk’s Weight-Loss Drugs

By: Joseph L. Badaracco, Tom Quinn and John Schultz

Danish pharmaceutical company Novo Nordisk was owned by a charitable foundation, and since its founding in the 1920s had focused on producing insulin to treat diabetes. In 2017, however, it released Ozempic, a diabetes treatment with the revolutionary side effect of... View Details

September 2024
Article

Investing in the Next Generation: The Long-Run Impacts of a Liquidity Shock

By: Patrick Agte, Arielle Bernhardt, Erica M. Field, Rohini Pande and Natalia Rigol

How do poor entrepreneurs trade off investments in business enterprises versus children's human capital, and how do these choices influence intergenerational socio-economic mobility? To examine this, we exploit experimental variation in household income resulting from... View Details

Keywords: Socio-economic Mobility; Entrepreneurship; Education; Income; Literacy; Poverty

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Article

Savings in Transnational Households: A Field Experiment Among Migrants from El Salvador

By: Nava Ashraf, Diego Aycinena, Claudia Martinez A. and Dean Yang

While remittance flows to developing countries are very large, it is unknown whether migrants desire more control over how remittances are used. This research uses a randomized field experiment to investigate the importance of migrant control over the use of... View Details

Keywords: Migration; Remittances; Intrahousehold Allocation; Savings; Saving; Residency; Banks and Banking; Banking Industry; El Salvador; United States

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Population Interference in Panel Experiments

The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit’s outcome, has received considerable attention in standard randomized experiments. The complications produced by population... View Details

Forthcoming
Article

Should Human Capital Development Programs Be Voluntary or Mandatory? Evidence from a Field Experiment

By: Jason Sandvik, Richard Saouma, Nathan Seegert and Christopher Stanton

In a field experiment, we find large differences in productivity treatment effects between voluntary and mandatory workplace mentorship programs. A significant portion of this difference is due to the best employees opting into the program when it is voluntary and... View Details

Keywords: Mentoring; Mentorship Programs; Randomized Controlled Trial; Performance Productivity; Employees; Talent and Talent Management; Programs

2014
Working Paper

Cleaning House: The Impact of Information Technology on Employee Corruption and Performance

By: Lamar Pierce, Daniel Snow and Andrew McAfee

This paper examines how firm investments in technology-based employee monitoring impact both misconduct and productivity. We use unique and detailed theft and sales data from 392 restaurant locations from five firms that adopt a theft monitoring information technology... View Details

Keywords: Management Practices and Processes; Information Technology; Ethics; Performance Productivity; Employees

2007
Article

Three Perspectives on Team Learning: Outcome Improvement, Task Mastery, and Group Process

By: Amy C. Edmondson, James R. Dillon and Kate Roloff

The emergence of a research literature on team learning has been driven by at least two factors. First, longstanding interest in what makes organizational work teams effective leads naturally to questions about how members of newly formed teams learn to work together... View Details

Keywords: Learning; Organizational Culture; Performance Improvement; Practice; Groups and Teams; Research; Adaptation; Cooperation

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March 2016 (Revised February 2023)
Teaching Note

Advertising Experiments at RestaurantGrades

By: Michael Luca, Weijia Dai and Hyunjin Kim

Advertising Experiments at RestaurantGrades is an exercise in which students are asked to analyze and make a recommendation on the basis of simulated experimental data. The setting is a hypothetical restaurant review company called RestaurantGrades (RG), which shows... View Details

Keywords: Advertising Campaigns; Marketing; Digital Marketing; Analysis; Performance Effectiveness

March 2012
Article

Reviving Entrepreneurship

By: Josh Lerner and William Sahlman

New enterprises don't exist in a vacuum: They rise or fall depending on myriad contextual factors, all of them interrelated, and all of them affected by government policy. U.S. lawmakers must carefully consider the effects of interventions in at least 12 areas, ranging... View Details

Keywords: Entrepreneurship; Government and Politics; Policy; Economy; Public Administration Industry; United States

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28 Mar 2023
Research & Ideas

The FDA’s Speedy Drug Approvals Are Safe: A Win-Win for Patients and Pharma Innovation

and effective in preventing severe disease, and their accelerated review will go down in history as having saved millions of lives. But COVID vaccines weren’t the first medical products to be brought to market through an expedited... View Details

Keywords: by Kasandra Brabaw; Pharmaceutical

April 2009 (Revised November 2012)
Case

Sermo, Inc.

By: Thomas R. Eisenmann and Lars Peter Christian Nielsen

Sermo operates the leading online professional network for physicians in the United States. Doctors use Sermo free of charge to post surveys regarding diagnostic and treatment concerns and to discuss these concerns, as well as challenges with managing their practices.... View Details

Keywords: Entrepreneurship; Health Care and Treatment; Knowledge Sharing; Two-Sided Platforms; Conflict and Resolution; Social and Collaborative Networks; United States

August 2017
Article

The First Deal: The Division of Founder Equity in New Ventures

By: Thomas F. Hellmann and Noam Wasserman

We examine the trade-off between efficiency and equality within the context of entrepreneurial founding teams. Using a formal theory where founders may have preferences over relative outcomes, we derive predictions about the antecedents and consequences of dividing... View Details

Keywords: Equality and Inequality; Entrepreneurship; Equity

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2025
Working Paper

Policy-Aware Experimentation: Strategic Sampling for Optimized Targeting Policies

By: Yi-Wen Chen, Eva Ascarza and Oded Netzer

Firms often rely on randomized experiments to estimate customer-level treatment effects for targeting policies. Standard "test-then-learn" approaches typically sample customers uniformly to optimize estimation accuracy but ignore economic objectives, leading to... View Details

Keywords: Research; Customer Focus and Relationships; Profit

Article

How Elastic Are Preferences for Redistribution? Evidence from Randomized Survey Experiments

By: Ilyana Kuziemko, Michael I. Norton, Emmanuel Saez and Stefanie Stantcheva

We analyze randomized online survey experiments providing interactive, customized information on U.S. income inequality, the link between top income tax rates and economic growth, and the estate tax. The treatment has large effects on views about inequality but only... View Details

Keywords: Income; Taxation; Economic Growth; United States

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Overcoming Overconfidence: Teamwork and Self-Control

This paper analyzes interactions between agents who are overconfident regarding their own future self-control relative to others. The paper considers the problem of incentivizing several such agents, and compares two methods: assigning work individually to each... View Details

2014
Working Paper

Savings in Transnational Households: A Field Experiment Among Migrants from El Salvador

By: Nava Ashraf, Diego Aycinena, Claudia Martinez A. and Dean Yang

While remittance flows to developing countries are very large, it is unknown whether migrants desire more control over how remittances are used. This research uses a randomized field experiment to investigate the importance of migrant control over the use of... View Details

Keywords: Migration; Remittances; Intrahousehold Allocation; Savings; Immigration; Diasporas; International Finance; El Salvador

November–December 2017
Article

Match Your Own Price? Self-Matching as a Retailer's Multichannel Pricing Strategy

By: Pavel Kireyev, Vineet Kumar and Elie Ofek

Multichannel retailing has created several new strategic choices for retailers. With respect to pricing, an important decision is whether to offer a “self-matching policy,” which allows a multichannel retailer to offer the lowest of its online and store prices to... View Details

Keywords: Price Self-matching; Multichannel Retailing; Pricing Strategy; Online Shopping; Omnichannel; Price Discrimination; Price; Strategy; Competitive Strategy

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27 Mar 2025
HBS Seminar

John Horton, MIT Sloan

02 Nov 2016
HBS Seminar

Antoinette Schoar, MIT Sloan School of Management

July 2025
Article

Reputation Burning: Analyzing the Impact of Brand Sponsorship on Social Influencers

By: Mengjie Cheng and Shunyuan Zhang

The growth of the influencer marketing industry warrants an empirical examination of the effect of posting sponsored videos on influencers' reputations. We collected a novel dataset of user-generated YouTube videos created by prominent English-speaking influencers in... View Details

Keywords: Reputation; Mathematical Methods; Marketing Reference Programs; Social Media; Brands and Branding

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