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- July 2023
- Article
Design and Analysis of Switchback Experiments
By: Iavor I Bojinov, David Simchi-Levi and Jinglong Zhao
In switchback experiments, a firm sequentially exposes an experimental unit to a random treatment, measures its response, and repeats the procedure for several periods to determine which treatment leads to the best outcome. Although practitioners have widely adopted... View Details
- 2023
- Working Paper
The Complexity of Economic Decisions
By: Xavier Gabaix and Thomas Graeber
We propose a theory of the complexity of economic decisions. Leveraging a macroeconomic framework of production functions, we conceptualize the mind as a cognitive economy, where a task’s complexity is determined by its composition of cognitive operations. Complexity... View Details
- June 2023
- Simulation
Artea Dashboard and Targeting Policy Evaluation
By: Ayelet Israeli and Eva Ascarza
Companies deploy A/B experiments to gain valuable insights about their customers in order to answer strategic business problems. In marketing, A/B tests are often used to evaluate marketing interventions intended to generate incremental outcomes for the firm. The Artea... View Details
Keywords: Algorithm Bias; Algorithmic Data; Race And Ethnicity; Experimentation; Promotion; Marketing And Society; Big Data; Privacy; Data-driven Management; Data Analysis; Data Analytics; E-Commerce Strategy; Discrimination; Targeted Advertising; Targeted Policies; Pricing Algorithms; A/B Testing; Ethical Decision Making; Customer Base Analysis; Customer Heterogeneity; Coupons; Marketing; Race; Gender; Diversity; Customer Relationship Management; Marketing Communications; Advertising; Decision Making; Ethics; E-commerce; Analytics and Data Science; Retail Industry; Apparel and Accessories Industry; United States
- 2023
- Article
Probabilistically Robust Recourse: Navigating the Trade-offs between Costs and Robustness in Algorithmic Recourse
By: Martin Pawelczyk, Teresa Datta, Johannes van-den-Heuvel, Gjergji Kasneci and Himabindu Lakkaraju
As machine learning models are increasingly being employed to make consequential decisions in real-world settings, it becomes critical to ensure that individuals who are adversely impacted (e.g., loan denied) by the predictions of these models are provided with a means... View Details
- 2023
- Case
Christiana Figueres and the Collaborative Approach to Negotiating Climate Action
By: James K. Sebenius, Laurence A. Green, Hannah Riley-Bowles, Lara SanPietro and Mina Subramanian
This case study centers on Harvard’s Program on Negotiation 2022 Great Negotiator, Christiana Figueres, and her efforts as Executive Secretary of the United Nations Framework Convention on Climate Change (UNFCCC) to build momentum for, and ultimately pass, the 2015... View Details
- March–April 2023
- Article
Pricing for Heterogeneous Products: Analytics for Ticket Reselling
By: Michael Alley, Max Biggs, Rim Hariss, Charles Herrmann, Michael Lingzhi Li and Georgia Perakis
Problem definition: We present a data-driven study of the secondary ticket market. In particular, we are primarily concerned with accurately estimating price sensitivity for listed tickets. In this setting, there are many issues including endogeneity, heterogeneity in... View Details
- March 31, 2023
- Article
What Is the Optimal Pattern of a Customer Journey?
Even though customer experience (CX) leaders are becoming increasingly focused on optimizing their firms’ customer journeys, they face a clear challenge: Which touchpoints along the journey should they invest in? That is, which moments when the customer interacts with... View Details
- February 2023
- Teaching Note
Shinola Detroit: Optimizing Product Line Breadth
By: Robert J. Dolan
Teaching Note for HBS Case No. 520-011. View Details
- 2023
- Working Paper
Distributionally Robust Causal Inference with Observational Data
By: Dimitris Bertsimas, Kosuke Imai and Michael Lingzhi Li
We consider the estimation of average treatment effects in observational studies and propose a new framework of robust causal inference with unobserved confounders. Our approach is based on distributionally robust optimization and proceeds in two steps. We first... View Details
- February 2023
- Article
The Effect of Systems of Management Controls on Honesty in Managerial Reporting
By: Aishwarrya Deore, Susanna Gallani and Ranjani Krishnan
While budgetary controls with capital rationing are optimal in theory and widespread in practice, empirical research documents their association with higher employee dishonesty compared to budgetary controls without rationing. In this study, we examine whether... View Details
- December 2022 (Revised September 2024)
- Case
Sword Health
By: Regina E. Herzlinger, Annelena Lobb and Carin-Isabel Knoop
Virgilio “V” Bento, CEO of Sword Health—a startup that provided virtual physical therapy to patients in self-insured firms via AI and sensor technology with supervision by a physical therapist with a doctorate—considered how to increase its U.S. market share. To do so,... View Details
- December 2022
- Technical Note
Risks and Opportunities from the Transition to a Low Carbon Economy: A Business Analysis Framework
By: George Serafeim
The transition to a low carbon economy introduces many risks and opportunities for businesses. Risks emerge from regulatory actions, such as carbon taxes and cap and trade systems, technological innovation that develop alternatives for customers making existing... View Details
Keywords: Risk Assessment; Opportunities; Environmental Sustainability; Carbon Footprint; Risk Management; Competitive Dynamics; Business Analysis; Climate Change; Accounting; Finance; Valuation; Business and Shareholder Relations; Technological Innovation; Transition; Product Positioning; Renewable Energy; Analysis
- Winter 2022
- Article
Vaccines and the COVID-19 Pandemic: Lessons from Failure and Success
By: Scott Duke Kominers and Alex Tabarrok
The losses from the global COVID-19 pandemic have been staggering—trillions in economic costs, on top of significant losses of life, health, and well-being. The world made significant and successful investments in vaccines to mitigate the pandemic, yet there were... View Details
- 2022
- Article
Which Explanation Should I Choose? A Function Approximation Perspective to Characterizing Post hoc Explanations
By: Tessa Han, Suraj Srinivas and Himabindu Lakkaraju
A critical problem in the field of post hoc explainability is the lack of a common foundational goal among methods. For example, some methods are motivated by function approximation, some by game theoretic notions, and some by obtaining clean visualizations. This... View Details
- October 2022
- Case
An Heir with No Spare: The Deitch Family Office
By: Lauren Cohen and Grace Headinger
Joe and Matt Deitch, father and son, knew it was time to start their own family office. Matthew had recently joined his father at the family’s three enterprises, and they both realized that their family’s needs had grown increasingly complex over the years. In search... View Details
Keywords: Family Office; Philanthropy; Charitable Giving; Family; Family Business; Talent and Talent Management; Entrepreneurship; Governance; Values and Beliefs; Job Search; Organizational Design; Organizational Structure; Family Ownership; Philanthropy and Charitable Giving; Family and Family Relationships; Financial Services Industry; Real Estate Industry; Technology Industry; United States; Massachusetts; Boston; Florida; Miami
- October 2022
- Case
Weapons of Self Destruction: Zak Pym Williams and the Cultivation of Mental Wellness
By: Lauren Cohen, Ronnie Stangler and Grace Headinger
Zak Pym Williams, mental health advocate, grappled with the question of how to create a proactive mental health family environment for his children. Having witnessed how mental health challenges such as addiction and depression had impacted the past four generations of... View Details
- June 2022
- Article
A New Initiative to Track HIV Resource Allocation and Costs
By: Ryan McBain, AK Nandakumar, Michael Ruffner, Carlyn Mann, Mai Hijazi, Susanna Baker, Linden Morrison, Kalipso Chalkidou, Shufang Zhang, Iris Semini, Fern Terris-Prestholt, Steven Forsythe, Sarah Byakika, Joshua Musinguzi and Robert S. Kaplan
In early 2020, several global health institutions – including the Global Fund to Fight AIDS, Tuberculosis and Malaria; Joint United Nations Program on HIV/AIDS (UNAIDS); United States Agency for International Development; and Office of the Global AIDS Coordinator at... View Details
- September 2022
- Background Note
On CUE: The Quest for Optimal Customer Unit Economics
By: Elie Ofek, Barak Libai and Eitan Muller
Startups are often evaluated by how well they perform on unit economics, defined as the ratio of a customer’s lifetime value (LTV) to acquisition costs (CAC). A common target for unit economics, advocated by many VCs and analysts, is 3:1 (i.e., LTV/CAC=3). While there... View Details
- August 2022
- Exercise
Joy4Home Brands: Pricing Matters
By: Elie Ofek, Oded Koenigsberg and Marco Bertini
Joy4Home Brands, the maker of novel houseware items, was gearing up for its launch. The company would be introducing two lines: kitchenware products and storage containers. The initial go-to-market plan called for a direct to consumer (DTC) channel strategy. While... View Details
- August 2022 (Revised January 2025)
- Case
NOW PT (A): Should We Invest?
By: George A Riedel, Amy Klopfenstein and Mel Martin
In fall 2021, a team of students from the HBS Impact Investing Fund considered Neurologic Optimal Wellness Physical Therapy (NOW PT) for a potential investment. Dr. Banks, the founder of NOW PT, drove to visit patients. She sought an investment from the fund to open a... View Details