Publications

February 2016 (Revised March 2022)
Case

Express Scripts: Promoting Prescription Drug Home Delivery (B)

By: John Beshears, Patrick Rooney and Jenny Sanford

The pharmacy benefit manager (PBM) sector processes prescription drug claims on behalf of companies that offer a prescription drug benefit to their employees. This case follows Bob Nease, Chief Scientist at Express Scripts, as he considers methods to promote home... View Details

Keywords: Pharmaceuticals; Prescription Drugs; Pharmacy Benefit Manager; PBM; Healthcare; Behavioral Economics; Choice Architecture; Active Choice; Health Care and Treatment; Service Delivery; Decision Choices and Conditions; Order Taking and Fulfillment; Compensation and Benefits

April 1999
Teaching Note

Finding New Markets for New and Disruptive Technologies: Managing Innovation, Overview Teaching Note for Module 2

By: Clayton M. Christensen

Provides instructors with an overview teaching note for the second module of the Managing Innovation course in which students explore the challenges and methods for defining and creating new markets for new technologies. In addition to summarizing each of the cases... View Details

Keywords: Disruption; Disruptive Innovation; Innovation and Management; Management Analysis, Tools, and Techniques; Emerging Markets; Planning; Problems and Challenges

March 2022
Article

Estimating the Effectiveness of Permanent Price Reductions for Competing Products Using Multivariate Bayesian Structural Time Series Models

By: Fiammetta Menchetti and Iavor Bojinov

Researchers regularly use synthetic control methods for estimating causal effects when a sub-set of units receive a single persistent treatment, and the rest are unaffected by the change. In many applications, however, units not assigned to treatment are nevertheless... View Details

Keywords: Causal Inference; Partial Interference; Synthetic Controls; Bayesian Structural Time Series; Mathematical Methods

2022
Working Paper

The Disagreement Problem in Explainable Machine Learning: A Practitioner's Perspective

By: Satyapriya Krishna, Tessa Han, Alex Gu, Javin Pombra, Shahin Jabbari, Steven Wu and Himabindu Lakkaraju

As various post hoc explanation methods are increasingly being leveraged to explain complex models in high-stakes settings, it becomes critical to develop a deeper understanding of if and when the explanations output by these methods disagree with each other, and how... View Details

Keywords: AI and Machine Learning; Analytics and Data Science; Mathematical Methods

07 Jun 2023
News

My One Case: MBA Class of 2023 Looks Back

08 Jan 2012
News

Progress Principle: You're More Important Than You Think

July–September 2018
Article

Memory Bias in Observer-Performance Literature

By: Tamara M. Haygood, Samantha N. Smith and Jia Sun

The objective of our study was to determine how authors of published observer–performance experiments dealt with memory bias in study design. We searched American Journal of Roentgenology online and Radiology using “observer study” and “observer performance.” We... View Details

Keywords: Health Care and Treatment; Research

December 1999
Case

Agrochemicals at Ciba-Geigy AG (A)

By: Michael L. Tushman, Wendy Smith and Daniel Radov

After spending five years to develop a revolutionary product, the director of Ciba-Geigy's fungicide research department is handed an unfavorable market study. The case details the R&D process for the new product, including information on corporate partnerships,... View Details

Keywords: Agribusiness; Plant-Based Agribusiness; Research and Development; Innovation and Invention; Innovation Strategy; Product Launch; Marketing Channels; Change Management; Product Development; Business Processes; Organizational Structure; Corporate Accountability; Agriculture and Agribusiness Industry; Pharmaceutical Industry

Article

Private and Civil Society Governors of Mercury Pollution from Artisanal and Small-scale Gold Mining: A Network Analytic Approach

By: Kristin Sippl

Artisanal and small-scale gold mining (ASGM) is both a subsistence livelihood for millions of people and the leading source of mercury pollution globally. The United Nation’s 2013 Minamata Convention on Mercury aims to address this challenge, but such public regulatory... View Details

Keywords: Artisanal And Small-scale Mining (ASM); Private Governance; Gold; Mercury; Mining; Governance; Networks; Pollutants; Research

Article

Innovation Contests for High-Tech Procurement

By: Jin Hyun Paik, Martin Scholl, Rinat A. Sergeev, Steven Randazzo and Karim R. Lakhani

Innovation managers rarely use crowdsourcing as an innovative instrument despite extensive academic and theoretical research. The lack of tools available to compare and measure crowdsourcing, specifically contests, against traditional methods of procuring goods and... View Details

Keywords: Open Innovation; Contests; Crowdsourcing; Nasa; Evaluation; Acquisition; Information Technology; Innovation and Invention; Performance Evaluation; Framework

Video

Immerse Yourself in Real-World Learning at HBS Online

22 Nov 2023
Research & Ideas

Humans vs. Machines: Untangling the Tasks AI Can (and Can't) Handle

will be exploiting. However, turning them loose on all use cases can have an array of detrimental consequences. So, organizations need an experimental mindset where they implement a methodical test-and-learn... View Details

Keywords: by Rachel Layne; Information Technology; Technology

31 Jan 2017
First Look

First Look at New Research: January 31, 2017

democracy as well as its resilience over time. The book adapts the case method to revitalize conversations about governance and democracy and show how the United States has often thrived on political... View Details

Keywords: Carmen Nobel

January 2018 (Revised August 2020)
Background Note

Continuous Software Development: Agile's Successor

By: Jeffrey J. Bussgang, Samuel Clemens and Olivia Hull

In recent years, the twin software development methodologies of continuous delivery and continuous deployment have risen to prominence in the start-up world and beyond. These methods have enabled technology companies large and small to accelerate their product... View Details

June 2011 (Revised January 2013)
Case

Oddo Securities―ESG Integration

By: Paul M. Healy

The case describes the process of integrating environmental, social, and governance issues into valuation models and research analyst recommendations. View Details

Keywords: Financial Strategy; Mathematical Methods; Integration; Valuation; Environmental Sustainability; Social Issues; Governance Controls; Investment

May 2017
Article

Agent-based Modeling: A Guide for Social Psychologists

By: Joshua Conrad Jackson, David Rand, Kevin Lewis, Michael I. Norton and Kurt Gray

Agent-based modeling is a longstanding but underused method that allows researchers to simulate artificial worlds for hypothesis testing and theory building. Agent-based models (ABMs) offer unprecedented control and statistical power by allowing researchers to... View Details

Keywords: Social Psychology; Marketing; Mathematical Methods

2010
Other Unpublished Work

Modeling Passenger Travel and Delays in the National Air Transportation System

Many of the existing methods for evaluating an airline's on-time performance are based on flight-centric measures of delay. However, recent research has demonstrated that passenger delays depend on many factors in addition to flight delays. For instance,... View Details

Keywords: Mathematical Methods; Performance Evaluation; Air Transportation Industry; United States

September 2015 (Revised March 2016)
Case

Intuit: Turbo Tax PersonalPro - A Tale of Two Entrepreneurs

By: Shikhar Ghosh, Joseph Fuller and Michael Roberts

The case provides a vehicle for teaching about both corporate intrapreneurship and the use of lean startup methods. It tells the story of a product manager within Intuit who develops an idea for a new product that spans two of the company's existing business... View Details

Keywords: Business Units; Business or Company Management; Applications and Software; Accounting; Product Development; Financial Services Industry