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- All HBS Web (859)
- Faculty Publications (211)
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- May–June 2025
- Article
Slowly Varying Regression Under Sparsity
By: Dimitris Bertsimas, Vassilis Digalakis Jr, Michael Lingzhi Li and Omar Skali Lami
We consider the problem of parameter estimation in slowly varying regression models with sparsity constraints. We formulate the problem as a mixed integer optimization problem and demonstrate that it can be reformulated exactly as a binary convex optimization problem... View Details
Bertsimas, Dimitris, Vassilis Digalakis Jr, Michael Lingzhi Li, and Omar Skali Lami. "Slowly Varying Regression Under Sparsity." Operations Research 73, no. 3 (May–June 2025): 1581–1597.
- Research Summary
People Are Experience Goods: Improving Online Dating with Virtual Dates
Because internet search mechanisms are designed for finding searchable items, we tend to conceptualize the things we seek online in terms of their objective characteristics. For some pursuits, however, this illuminates a mismatch between processes and goals. In online... View Details
- 31 Mar 2009
- First Look
First Look: March 31, 2009
target-market segmentation, and product-line strategy. Within firms, the boundaries of marketing proved to be fuzzy, in large part because customer issues cut across many different aspects of a firm's... View Details
Keywords: Martha Lagace
- March 1990 (Revised October 1994)
- Case
IBM-Fujitsu Dispute
Describes a dispute between IBM and Fujitsu over allegations that Fujitsu stole proprietary IBM software for controlling mainframe computers. Also describes a novel arbitration agreement intended to resolve the dispute, an overview of intellectual property law in the... View Details
Keywords: Trade; Ethics; Intellectual Property; Law; Negotiation Process; Relationships; Software; Information Technology Industry
Badaracco, Joseph L., Jr. "IBM-Fujitsu Dispute." Harvard Business School Case 390-168, March 1990. (Revised October 1994.)
- September 1991
- Case
Rethinking the Corporate Workplace: Case Managers at Mutual Benefit Life
By: Robert G. Eccles Jr.
In early 1991, a spirit of innovation and organizational change was in the air at Mutual Benefit Life, with the success of the new "case manager" program its most concrete manifestation. Using powerful computer workstations, case managers could see insurance... View Details
Keywords: Organizational Change and Adaptation; Technological Innovation; Change Management; Information Technology; Insurance; Human Resources; Insurance Industry
Eccles, Robert G., Jr. "Rethinking the Corporate Workplace: Case Managers at Mutual Benefit Life." Harvard Business School Case 492-015, September 1991.
- 16 Nov 2010
- First Look
First Look: November 16, 2010
Francesca Gino, Lisa L. Shu, and Chia-Jung Tsay Publication:Emotion Review (forthcoming) Abstract Moral problems often prompt emotional responses that invoke intuitive judgments of right and wrong. While emotions View Details
Keywords: Sean Silverthorne
- Research Summary
Overview
Professor Huang examines the micro-foundations of entrepreneurship: the individual-level decision-making processes that influence entrepreneurs’ ability to acquire resources that they need, yet lack, especially financial capital. Deploying a variety of methods from... View Details
- January 2009
- Case
Microsoft's Search
By: Jan W. Rivkin and Eric J. Van den Steen
In 2008, executives at Microsoft must decide how to compete against Google in the market for Internet search and advertising. The case describes how Microsoft has responded to a set of competitive threats in the past, how Google has gained a dominant position in... View Details
Rivkin, Jan W., and Eric J. Van den Steen. "Microsoft's Search." Harvard Business School Case 709-461, January 2009.
- August 20, 2024
- Article
Sexual Assault Victims Face a Penalty for Adjacent Consent
By: Jillian J. Jordan and Roseanna Sommers
Across 11 experimental studies (n = 12,257), we show that female victims of sexual assault are blamed more and seen as less morally virtuous if their assault follows voluntary sexual intimacy, a factor we term “adjacent consent”. Moreover, we illuminate a... View Details
Jordan, Jillian J., and Roseanna Sommers. "Sexual Assault Victims Face a Penalty for Adjacent Consent." Proceedings of the National Academy of Sciences 121, no. 34 (August 20, 2024).
- June 2023
- Teaching Note
Komatsu and Smart Construction
By: David J. Collis
Teaching Note for HBS Case No. 521-042. The case describes the introduction by Komatsu, the Japanese earth moving equipment manufacturer, of a new business model—Smart Construction. This replaces the one-time sale of a capital good with a software platform that... View Details
- Teaching Interest
Space: Public and Commercial Economics
Space is a place of unparalleled possibility for humanity, and it is in the midst of a revolution. In this course, we will learn about this revolution and the companies, such as SpaceX, Blue Origin, Axiom, Planet, and more. We will be joined by leaders in the... View Details
- December 1992 (Revised March 1997)
- Case
Peoria Engine Plant (A)
By: Robert S. Kaplan and Amy P. Hutton
Describes the cost control system used at an automobile engine plant for labor and overhead costs. The finance staff prepares daily, weekly, and monthly variance reports against budgets. Department supervisors, finance staff, and the plant manager discuss the use and... View Details
Keywords: Cost Management; Cost Accounting; Budgets and Budgeting; Earnings Management; Reports; Financial Reporting; Management Analysis, Tools, and Techniques; Performance Improvement; Performance Productivity; Factories, Labs, and Plants; Auto Industry
Kaplan, Robert S., and Amy P. Hutton. "Peoria Engine Plant (A)." Harvard Business School Case 193-082, December 1992. (Revised March 1997.)
- February 1991
- Case
Burlington Northern: The ARES Decision (B)
By: Julie H. Hertenstein and Robert S. Kaplan
The ARES team formally proposes that Burlington Northern implement the ARES system. The project meets resistance. In light of financial restructuring and high level of debt, executives wonder whether the company can afford ARES. Weak links during the ARES development... View Details
Keywords: Accounting Audits; Restructuring; Cost vs Benefits; Decision Choices and Conditions; Borrowing and Debt; Capital Budgeting; Projects; Technology Adoption; Service Industry
Hertenstein, Julie H., and Robert S. Kaplan. "Burlington Northern: The ARES Decision (B)." Harvard Business School Case 191-123, February 1991.
- July 1989 (Revised April 1996)
- Case
AUCNET: TV Auction Network System
The AUCNET system links buyers and sellers in the wholesale used car market in Japan. Video images delivered via videodisk or satellite along with an inspector's opinion and objective character based data are used to conduct a realtime auction over computers and... View Details
Keywords: Information Technology; Market Entry and Exit; Auctions; Service Industry; Japan; United States
Konsynski, Benn R. "AUCNET: TV Auction Network System." Harvard Business School Case 190-001, July 1989. (Revised April 1996.)
- March 2012
- Article
China's Growing IT Services and Software Industry: Challenges and Implications
By: F. Warren McFarlan, Ning Jia and Justin Wong
The Chinese management software and IT services industry has grown dramatically over the past two decades and today is about the size of the Indian industry a decade ago. The objective of this article is to help CIOs in firms outside of China better understand the... View Details
- June 2002 (Revised August 2002)
- Case
WorldSpace: Digital Radio for the Developing World
By: Debora L. Spar
Describes the evolution of WorldSpace, the world's first major provider of digital radio service to the developing world. The brainchild of Noah Samara, an African-born, American-trained lawyer, WorldSpace has a dual commercial and social mission. Samara wants to... View Details
Keywords: Information; Social Entrepreneurship; Mobile and Wireless Technology; Developing Countries and Economies; Media and Broadcasting Industry; Asia; Latin America; Africa
Spar, Debora L., Allison Morhaim, and Bharesh Patel. "WorldSpace: Digital Radio for the Developing World." Harvard Business School Case 702-034, June 2002. (Revised August 2002.)
- October 2001 (Revised November 2001)
- Background Note
Running and Growing the Small Company: Course Overview
Addresses challenges facing managers, presidents, and owners in generating and sustaining superior performance, especially as a company broadens its mix of goods and services, increases the volume of its sales, and enlarges the size of its workforce. The critical... View Details
Spear, Steven J. "Running and Growing the Small Company: Course Overview." Harvard Business School Background Note 602-077, October 2001. (Revised November 2001.)
- 2018
- Chapter
The Trust Imperative
By: Richard Edelman, Stephen A. Greyser, E. Bruce Harrison and Tom Martin
CHAPTER SUMMARY: Successful relationships depend on trust—trust between spouses, trust between parent and child, trust between enterprises and their stakeholders. This chapter focuses on the factors that build trust in organizations, as well as the forces that can... View Details
Edelman, Richard, Stephen A. Greyser, E. Bruce Harrison, and Tom Martin. "The Trust Imperative." Chap. 3 in The New Era of the CCO: The Essential Role of Communication in a Volatile World, edited by Roger Bolton, Don W. Stacks, and Eliot Mizrachi. New York: Business Expert Press, 2018.
- Article
Are All Certified EHRs Created Equal? Assessing the Relationship between EHR Vendor and Hospital Meaningful Use Performance
By: A Jay Holmgren, Julia Adler-Milstein and Jeffrey McCullough
Objective
The federal electronic health record (EHR) certification process was intended to ensure a baseline level of system quality and the ability to support meaningful use criteria. We sought to assess whether there was variation across EHR vendors in the... View Details
The federal electronic health record (EHR) certification process was intended to ensure a baseline level of system quality and the ability to support meaningful use criteria. We sought to assess whether there was variation across EHR vendors in the... View Details
Keywords: Hospitals; Electronic Health Records; Digital Health; Health Care and Treatment; Information Technology; Service Delivery; Performance Evaluation
Holmgren, A Jay, Julia Adler-Milstein, and Jeffrey McCullough. "Are All Certified EHRs Created Equal? Assessing the Relationship between EHR Vendor and Hospital Meaningful Use Performance." Journal of the American Medical Informatics Association 25, no. 6 (June 2018): 654–660. (Editor's Choice.)
- March 2009 (Revised November 2009)
- Supplement
Washington Mutual's Covered Bonds Courseware
By: Daniel Baird Bergstresser, Robin Greenwood and James Quinn
Washington Mutual issues 6 billion Euro of covered bonds in 2006. The objective of the case is to ask whether these bonds are mispriced in late 2008. The case is set in September 20008, and Washington Mutual is facing considerable distress due to mounting losses on its... View Details