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2024
Article

Neyman Meets Causal Machine Learning: Experimental Evaluation of Individualized Treatment Rules

By: Michael Lingzhi Li and Kosuke Imai

A century ago, Neyman showed how to evaluate the efficacy of treatment using a randomized experiment under a minimal set of assumptions. This classical repeated sampling framework serves as a basis of routine experimental analyses conducted by today’s scientists across... View Details

Keywords: AI and Machine Learning; Research

2024
Working Paper

The Consequences of Export Controls in Target Countries

By: Xueyue Liu, Yu Liu and Jaya Y. Wen

Export controls are a common instrument of national security, but their economic consequences are not well understood. This paper evaluates how these controls affect firm performance and adaptation in targeted countries. We use variation in a 2007 US policy,... View Details

Keywords: National Security; Trade; Business and Government Relations; Policy; Performance Productivity; Adaptation

July 2024 (Revised January 2025)
Case

Rockefeller Philanthropy Advisors: Bringing Systematic Investment to Philanthropy

By: Lauren Cohen, Hao Gao, Alexander Bischoff and Sophia Pan

Melissa Berman, CEO of Rockefeller Philanthropy Advisors (RPA), evaluated her client’s philanthropy project and its mediocre performance. RPA was a segment of the Rockefeller Family Office’s Philanthropy Department, becoming an independent charity in 2002. Consistently... View Details

June 2024
Case

Growing Foodology into Latin America's Largest Platform for Virtual Restaurants

By: Jorge Tamayo, Rembrand Koning and Jenyfeer Martinez Buitrago

This case delves into the expansion strategy of Foodology, a cloud kitchen startup based in Bogotá that operated across four Latin American countries (Colombia, Brazil, Mexico, and Peru). Co-founders Daniela Izquierdo and Juan Guillermo Azuero (both HBS, 2019) grappled... View Details

Keywords: Entrepreneurship; Food; Digital Platforms; Product Launch; Growth and Development Strategy; Business Strategy; Business Model; Business Startups; Profit; Marketing Strategy; Expansion; Diversification; Food and Beverage Industry; Latin America; South America; Colombia; Brazil; Mexico; Peru

2024
Working Paper

What Makes Players Pay? An Empirical Investigation of In-Game Lotteries

By: Tomomichi Amano and Andrey Simonov

In 2020, gamers spent more than $15 billion on loot boxes, lotteries of virtual items in video games. Paid loot boxes are contentious. Game producers argue that loot boxes complement the gameplay and expenditures on loot boxes reflect players’ enjoyment of the game.... View Details

Keywords: Consumer Behavior; Policy; Games, Gaming, and Gambling; Product Design; Ethics; Governing Rules, Regulations, and Reforms; Video Game Industry

June 2024
Teaching Note

Beamery: Using Skills and AI to Modernize HR

By: Boris Groysberg, David Lane, Susan Pinckney and Alexis Lefort

Teaching Note for HBS Case No. 424-004. Unicorn human relationships startup Beamery evaluates it growth versus depth strategy as its strategic partners and customers could become future competitors in a quickly changing AI based human resources and talent management... View Details

June 2024 (Revised August 2024)
Case

Revlon India's Turnaround: Navigating Online-Offline Decisions Using a Balanced Scorecard

By: Tatiana Sandino and Samuel Grad

Revlon India was founded as a joint venture in 1995, pairing the industrial conglomerate UMG with the global beauty brand Revlon, Inc. to bring international color cosmetics to India. After growing rapidly and pioneering the Beauty Advisor (BA) model in India, the... View Details

2025
Working Paper

Evaluations Amid Measurement Error: Determining the Optimal Timing for Workplace Interventions

By: Matthew DosSantos DiSorbo, Iavor I. Bojinov and Fiammetta Menchetti

Researchers have embraced factorial experiments to simultaneously evaluate multiple treatments, each with different levels. Typically, in large-scale factorial experiments, the primary objective is identifying the treatment with the largest causal effect, especially... View Details

Keywords: Factorial Designs; Fisher Randomizations; Rank Estimators; Employer Interventions; Causal Inference; Mathematical Methods; Performance Improvement

2024
Working Paper

Advancing Personalization: How to Experiment, Learn & Optimize

By: Aurelie Lemmens, Jason M.T. Roos, Sebastian Gabel, Eva Ascarza, Hernan Bruno, Elea McDonnell Feit, Brett Gordon, Ayelet Israeli, Carl F. Mela and Oded Netzer

Personalization has become the heartbeat of modern marketing. Advances in causal inference and machine learning enable companies to understand how the same marketing action can impact the choices of individual customers differently. This article provides an academic... View Details

Keywords: Personalization; Targeting; Experiments; Observational Studies; Policy Implementation; Policy Evaluation; Customization and Personalization; Marketing Strategy; AI and Machine Learning

June 2024
Article

Stereotypes and Belief Updating

By: Katherine B. Coffman, Manuela Collis and Leena Kulkarni

We explore how feedback shapes, and perpetuates, gender gaps in self-assessments. Participants in our experiment take tests of their ability across different domains. We elicit their beliefs of their performance before and after feedback. We find that, even after the... View Details

Keywords: Beliefs; Stereotypes; Self-assessment; Performance Evaluation; Gender; Cognition and Thinking; Perception; Knowledge Sharing

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June 2024
Article

The Diversity Heuristic: How Team Demographic Composition Influences Judgments of Team Creativity

By: Devon Proudfoot, Zachariah Berry, Edward H. Chang and Min B. Kay

Despite mixed evidence for the relationship between demographic diversity and creativity, we propose that observers hold a lay belief that demographic diversity increases creativity and apply this lay belief in judgments about teams and their creative work. Across... View Details

Keywords: Diversity; Race; Gender; Groups and Teams; Perception; Creativity

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May 2024
Teaching Note

Making Progress at Progress Software (A) and (B)

By: Katherine Baldiga Coffman, Hannah Riley Bowles, Emma Ronzetti and Alexis Lefort

Teaching Note for HBS Case Nos. 924-010 and 924-011. View Details

Keywords: Leading Change; Organizational Culture; Performance Evaluation; Prejudice and Bias; Employee Relationship Management; Personal Development and Career; Technology Industry

May 2024
Case

LinkedIn Corporation, 2024

By: David B. Yoffie, George Gonzalez and Emily Grandjean

By 2024, the LinkedIn profile was well established as the professional identity of record on the Internet. Following a multi-year effort to expand the platform’s user base, as well as a period of rapid growth during the COVID-19 pandemic, LinkedIn’s membership had... View Details

Keywords: Platform; Business Strategy; Competitive Strategy; Goals and Objectives; Social Media; Network Effects; Growth and Development Strategy; Performance Evaluation; Technology Industry; Employment Industry; Sunnyvale

May 2024 (Revised May 2025)
Case

Hakluyt: From Corporate Intelligence to Trusted Advisors

By: Joseph B. Fuller and Lena Duchene

Established in 1995 by a group of ex-British intelligence officers, Hakluyt & Company (Hakluyt) was a corporate advisory firm that generated insights by leveraging a unique blend of internal expertise and a global network of well-connected individuals. Since 2019, the... View Details

May–June 2024
Article

Setting Gendered Expectations? Recruiter Outreach Bias in Online Tech Training Programs

By: Jacqueline N. Lane, Karim R. Lakhani and Roberto Fernandez

Competence development in digital technologies, analytics, and artificial intelligence is increasingly important to all types of organizations and their workforce. Universities and corporations are investing heavily in developing training programs, at all tenure... View Details

Keywords: Prejudice and Bias; Gender; Training; Recruitment; Personal Development and Career

April 2024
Case

Dr. Tom Mihaljevic and Cleveland Clinic

By: Linda A. Hill and Lydia Begag

In December 2022, Dr. Tomislav (“Tom”) Mihaljevic, CEO and President of Cleveland Clinic, was reflecting on the last few years at the hospital, marked both by unprecedented challenges and remarkable achievements. Cleveland Clinic had recently been ranked the world’s... View Details

2024
Working Paper

Does the Case for Private Equity Still Hold?

By: Nori Gerardo Lietz and Philipp Chvanov

Private Equity (“PE”) received a 10-fold increase in capital flows since the Great Financial Crisis (“GFC”) Investors sought higher nominal returns relative to those they could obtain in the public capital markets. This paper questions the fundamental assumptions... View Details

Keywords: Private Equity; Investment Return; Investment Portfolio; Financial Markets

April 2024
Article

A Machine Learning Algorithm Predicting Risk of Dilating VUR among Infants with Hydronephrosis Using UTD Classification

By: Hsin-Hsiao Scott Wang, Michael Lingzhi Li, Dylan Cahill, John Panagides, Tanya Logvinenko, Jeanne Chow and Caleb Nelson

Backgrounds: Urinary Tract Dilation (UTD) classification has been designed to be a more objective grading system to evaluate antenatal and post-natal UTD. Due to unclear association between UTD classifications to specific anomalies such as vesico-ureteral reflux (VUR),... View Details

Keywords: Health Disorders; Health Testing and Trials; AI and Machine Learning; Health Industry

April 2024
Article

Decision Authority and the Returns to Algorithms

By: Hyunjin Kim, Edward L. Glaeser, Andrew Hillis, Scott Duke Kominers and Michael Luca

We evaluate a pilot in an Inspections Department to explore the returns to a pair of algorithms that varied in their sophistication. We find that both algorithms provided substantial prediction gains, suggesting that even simple data may be helpful. However, these... View Details

Keywords: Algorithmic Aversion; Algorithmic Decision Making; Algorithms; Public Entrepreneurship; Govenment; Local Government; Crowdsourcing; Crowdsourcing Contests; Inspection; Principal-agent Theory; Government Administration; Decision Making; Public Administration Industry; United States

April 2024
Article

Loneliness and Emotion Regulation in Daily Life

By: Lameese Eldesouky, Amit Goldenberg and Kate Ellis

There is a growing understanding that emotion regulation (ER) abilities can be an important buffer for loneliness. However, most of this research is cross-sectional. Thus, it is unknown whether loneliness is associated with ER in momentary evaluations and can predict... View Details

Keywords: Interpersonal Communication; Emotions; Attitudes; Egypt

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