Publications
Publications
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- All HBS Web
(8,191)
- Faculty Publications (1,725)
- January–February 2023
- Article
Data-Driven COVID-19 Vaccine Development for Janssen
By: Dimitris Bertsimas, Michael Lingzhi Li, Xinggang Liu, Jennings Xu and Najat Khan
The COVID-19 pandemic has spurred extensive vaccine research worldwide. One crucial part of vaccine development is the phase III clinical trial that assesses the vaccine for safety and efficacy in the prevention of COVID-19. In this work, we enumerate the first... View Details
- 2023
- Article
Experimental Evaluation of Individualized Treatment Rules
By: Kosuke Imai and Michael Lingzhi Li
The increasing availability of individual-level data has led to numerous applications of individualized (or personalized) treatment rules (ITRs). Policy makers often wish to empirically evaluate ITRs and compare their relative performance before implementing them in a... View Details
- January 2023
- Article
Inequality Regimes in Sub-Saharan Africa from Precolonial Times to the Present
By: Ewout Frankema, Michiel de Haas and Marlous van Waijenburg
While current levels of economic inequality in Sub-Saharan Africa receive ample attention from academics and policymakers, we know little about the long-run evolution of inequality in the region. Even the new and influential ‘global inequality literature’ that is... View Details
- Winter 2023
- Article
Moral Firms?
Building a new political economy requires transforming our markets, our institutions, and our policy and regulatory regimes. In this essay, I argue that it also requires transforming the purpose of the firm: from a singular focus on maximizing financial returns to the... View Details
- January–February 2023
- Article
The Overlooked Key to a Successful Scale-Up
By: Jeffrey F. Rayport, Davide Sola and Martin Kupp
Many start-ups experience enormous popularity and runaway growth, but only a few go on to become stable giants. What separates them from the pack? They all go through a developmental stage called extrapolation, say three business school professors.
View Details
- 2022
- Working Paper
Credit and the Family: The Economic Consequences of Closing the Credit Gap of U.S. Couples
By: Olivia S. Kim
Closing disparities in credit access between spouses can help reduce consumption inequality in the household. The 2013 reversal of the Truth-in-Lending Act increased the borrowing capacity of secondary earners in equitable-distribution states but not in... View Details
- 2023
- Working Paper
Nailing Prediction: Experimental Evidence on the Value of Tools in Predictive Model Development
By: Daniel Yue, Paul Hamilton and Iavor Bojinov
Predictive model development is understudied despite its centrality in modern artificial
intelligence and machine learning business applications. Although prior discussions
highlight advances in methods (along the dimensions of data, computing power, and
algorithms)... View Details
Keywords: Analytics and Data Science
- December 2022 (Revised August 2023)
- Case
Circles.Life at a Crossroads of Growth
By: Juan Alcácer and Adina Wong
In June 2022, the founders of Singapore mobile operator Circles.Life had a crucial decision to make. Circles.Life developed a new business model in mobile telecommunications—a digital telco—built around its proprietary operating system. After expanding its brand in... View Details
- December 8, 2022
- Article
The New China Shock: How Beijing’s Party-State Capitalism Is Changing the Global Economy
By: Margaret M. Pearson, Meg Rithmire and Kellee S. Tsai
In the wake of the global financial crisis of 2008, China began to move away from the market-based approach that had shaped its economic policies for three decades, and toward something that might be termed “party-state capitalism,” which involves a high degree of... View Details
- December 2022
- Article
I Don't 'Recall': The Decision to Delay Innovation Launch to Avoid Costly Product Failure
By: Byungyeon Kim, Oded Koenigsberg and Elie Ofek
Innovations embody novel features or cutting-edge components aimed at delivering desired customer benefits.
Oftentimes, however, we observe the need to recall new products shortly after their introduction. Indeed, a firm
may rush an innovation to market in an attempt... View Details
- 2022
- Article
OpenXAI: Towards a Transparent Evaluation of Model Explanations
By: Chirag Agarwal, Satyapriya Krishna, Eshika Saxena, Martin Pawelczyk, Nari Johnson, Isha Puri, Marinka Zitnik and Himabindu Lakkaraju
While several types of post hoc explanation methods have been proposed in recent literature, there is very little work on systematically benchmarking these methods. Here, we introduce OpenXAI, a comprehensive and extensible opensource framework for evaluating and... 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
- November 2022
- Technical Note
Leader Action Orientations
By: Ryan Raffaelli, Akshaya Varghese and Laura Weimer
Leaders are responsible for planning and executing actions that advance organizational goals. As individuals gain career experience, they tend to develop and rely on implicit mental models that shape how they go about “getting things done.” Without knowing it, most... View Details
- November 2022
- Case
Ajax Health: A New Model for Medical Technology Innovation
By: Regina E. Herzlinger and Ben Creo
This case teaches key success factors for both startup and established MedTech firms. It examines how to structure a firm to maximize innovation and financial returns with organizational structures that better align the incentives for the different skill sets... View Details
- 2022
- White Paper
The Options Multiplier: Decoding the CareerWise Youth Apprentice Journey
By: Joseph B. Fuller, Rachel Lipson, Farah Mallah, Girish Pendse and Rachel Snyder
As more Americans question the appeal of costly
higher education programs, earn-and-learn models,
like apprenticeship, are attracting increasing
attention from policymakers and employers alike. While apprenticeship is widespread in many
parts of Europe,... View Details
- November 2022
- Article
Measuring Inequality beyond the Gini Coefficient May Clarify Conflicting Findings
By: Kristin Blesch, Oliver P. Hauser and Jon M. Jachimowicz
Prior research has found mixed results on how economic inequality is related to various outcomes. These contradicting findings may in part stem from a predominant focus on the Gini coefficient, which only narrowly captures inequality. Here, we conceptualize the... View Details
- 2024
- Working Paper
Sharing Models to Interpret Data
By: Joshua Schwartzstein and Adi Sunderam
To understand new data, we share models or interpretations with others. This paper studies such exchanges of models in a community. The key assumption is that people adopt the interpretation in their community that best explains the data, given their prior beliefs. An... View Details
- 2022
- Working Paper
The Evolution of ESG Reports and the Role of Voluntary Standards
By: Ethan Rouen, Kunal Sachdeva and Aaron Yoon
We examine the evolution of ESG reports of S&P 500 firms from 2010 to 2021. The
percentage of firms releasing these voluntary disclosures increased from 35% to 86%
during this period, although the length of these documents experienced more modest
growth. Using a... View Details
- 13 Oct 2022
- Other Presentation
4 Business Ideas That Changed the World: Disruptive Innovation
By: Amy Bernstein, Rita McGrath, Felix Oberholzer-Gee and Derek van Bever
A roundtable conversation takes stock of Clayton Christensen’s influential theory. This first in a series of roundtable conversations assessing the origins and impact of four breakthrough ideas.
In the 1980s, Clayton Christensen cofounded a startup that... View Details
In the 1980s, Clayton Christensen cofounded a startup that... View Details
Keywords: Disruptive Innovation
- October 2022
- Case
Spaceport America, Public Sector Risk-taking, and Political Accountability (A)
By: Matthew Weinzierl, Dava Newman, Rebecca Browder and Angela Acocella
Sitting quietly in the heart of the New Mexico desert in the summer of 2014, Spaceport America (SA) housed little of the activity its supporters anticipated when opening its hangar doors in 2011. Despite $1 million in annual rent from Virgin Galactic, British... View Details