Publications

Derrick studies how people in organizations collaborate to create, innovate, and learn in high-stakes, time-constrained situations when failure is (seemingly) not an option. His research employs field methods to explore the... View Details

May–June 2018
Article

Data Uncertainty in Markov Chains: Application to Cost-Effectiveness Analyses of Medical Innovations

By: Joel Goh, Mohsen Bayati, Stefanos A. Zenios, Sundeep Singh and David Moore

Cost-effectiveness studies of medical innovations often suffer from data inadequacy. When Markov chains are used as a modeling framework for such studies, this data inadequacy can manifest itself as imprecision in the elements of the transition matrix. In this paper,... View Details

Keywords: Markov Chains; Cost Effectiveness; Medical Innovations; Colorectal Cancer; Health Care and Treatment; Cost vs Benefits; Innovation and Invention; Mathematical Methods; Health Industry

August 2024
Technical Note

Measuring Concentrated Ownership

By: Christina R. Wing, Everett Alexander and Justin Huang

Firms with strong governance practices exhibit lower control premiums due to reduced risks and more efficient operations. Conversely, poorly governed firms may exhibit higher control premiums as new owners anticipate the need for substantial governance improvements.... View Details

Keywords: Concentrated Ownership; Ownership; Corporate Governance; Valuation

28 Jun 2020
News

Prices are rising faster than official figures suggest

27 Jan 2012
News

Apple and Google as Creative Archetypes

October 2016 (Revised March 2022)
Background Note

Cost Variance Analysis

By: Robert S. Kaplan and Susanna Gallani

This note was written to provide students with fundamental concepts and methods for the analysis of cost variances. It focuses on the decomposition of cost variances into price, quantity, and mix variance components, an approach that allows students to identify the... View Details

Keywords: Cost Accounting

June 1995
Case

AT&T's Acquisition of NCR

Dennis R. Beresford, Chairman of the FASB, reflects on the AT&T and NCR merger and AT&T's desire to qualify the transaction for pooling of interest treatment, an accounting method allowing companies to record assets acquired in business combinations at historical cost... View Details

Keywords: Mergers and Acquisitions; Accounting; Telecommunications Industry

24 Aug 2015
Video

HBX Live In Action

Robin J. Ely

Robin Ely is the Diane Doerge Wilson Professor of Business Administration at Harvard Business School. She conducts research on race and gender relations in organizations with a focus on leadership, identity, and organizational culture change.... View Details

2019
Working Paper

Industrial Change, the Boundary of the Firm, and Racial Employment Segregation

By: John-Paul Ferguson and Rembrand Koning

Racial employment segregation between large workplaces in America has grown over the last generation. We know little about how changes in patterns of employment by economic sector have contributed to this growth, though. While there are many stylized narratives about... View Details

Keywords: Workplace Segregation; Firm Boundaries; Organizations; Employees; Segmentation; Race; Change; United States

January 1997 (Revised September 1997)
Case

Improving the Product Development Process at Kirkham Instruments Corp.

By: Clayton M. Christensen

Describes the efforts of a manufacturer of scientific instruments to implement new methods of managing new product development, which its executives had learned in a Harvard Business School seminar. The executives left the seminar excited to implement a new way of... View Details

Keywords: Change Management; Product Launch; Innovation and Invention; Product Development; Manufacturing Industry; Technology Industry; United States

November 1994
Background Note

Social Enterprise: Private Initiatives for the Common Good

Presents a model for understanding how private social-purpose ventures (nonprofit and for-profit) differ from traditional business firms in both their objectives and methods of operation. Identifies six dimensions that are useful for understanding the differences. Also... View Details

Keywords: Social Entrepreneurship

March 2016 (Revised January 2020)
Teaching Note

Behavioural Insights Team (A) and (B)

By: Michael Luca and Patrick Rooney

The Behavioural Insights Team case introduces students to the concept of choice architecture and the value of experimental methods (sometimes called A/B testing) within organizational contexts. The exercise provides an opportunity for students to apply these principles... View Details

Keywords: Behavioral Economics; Experiments; Choice Architecture; Public Entrepreneurship; Decision Choices and Conditions; Mathematical Methods; United Kingdom

November 2007
Article

Measuring Consumer and Competitive Impact with Elasticity Decompositions

Marketing investments are designed to change consumer behavior in ways that help goods compete in the marketplace. Previous research has focused on using elasticity decompositions to measure how these investments affect either consumer decision making or competing... View Details

Keywords: Decision Choices and Conditions; Investment Return; Marketing Strategy; Consumer Behavior; Measurement and Metrics; Mathematical Methods; Competitive Advantage

Celia Stafford is a doctoral student in Health Policy (Management). She received a B.A. in Mathematics and Economics from Emory University in 2017 and an MPH focused in Biostatistics from the University of North Carolina at Chapel Hill in 2020. She is also... View Details

2020
Working Paper

Demystifying the Math of the Coronavirus

By: Elon Kohlberg and Abraham Neyman

We provide an elementary mathematical description of the spread of the coronavirus. We explain two fundamental relationships: How the rate of growth in new infections is determined by the “effective reproductive number” and how the effective reproductive number is... View Details

Keywords: Coronavirus; Health Pandemics; Mathematical Methods

May 1989 (Revised April 1998)
Case

Dynatronics, Inc.

By: William E. Fruhan Jr.

The student must determine the financing requirements posed by growth, change of inventory policy, and introduction of new product and then select the best method of financing them. Has been used as a four-hour exam. A revised and updated version of an earlier case by... View Details

Keywords: Financial Strategy; Financing and Loans; Growth and Development; Product Launch

March–April 1979
Article

Choosing Strategies for Change

By: Leonard A. Schlesinger and John P. Kotter

"From the frying pan into the fire," "let sleeping dogs lie," and "you can't teach an old dog new tricks" are all well-known sayings born of the fear of change. When people are threatened with change in organizations, similar maxims about certain people and departments... View Details

Keywords: Organizational Change and Adaptation; Strategy; Change Management

Article

Assent-maximizing Social Choice

By: Katherine A. Baldiga and Jerry R. Green

We take a decision theoretic approach to the classic social choice problem, using data on the frequency of choice problems to compute social choice functions. We define a family of social choice rules that depend on the population's preferences and on the probability... View Details

Keywords: Decision Choices and Conditions; Theory; Measurement and Metrics; Mathematical Methods; Society