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Show Results For
- All HBS Web
(3,583)
- People (9)
- News (800)
- Research (2,129)
- Events (11)
- Multimedia (33)
- Faculty Publications (1,304)
- December 2009
- Article
Strategy-proofness versus Efficiency in Matching with Indifferences: Redesigning the NYC High School Match
By: Atila Abdulkadiroglu, Parag A. Pathak and Alvin E. Roth
The design of the New York City (NYC) High School match involved tradeoffs among efficiency, stability, and strategy-proofness that raise new theoretical questions. We analyze a model with indifferences—ties—in school preferences. Simulations with field data and the... View Details
Keywords: Decision Choices and Conditions; Secondary Education; Marketplace Matching; Performance Efficiency; Mathematical Methods; Motivation and Incentives; Strategy; Balance and Stability
Abdulkadiroglu, Atila, Parag A. Pathak, and Alvin E. Roth. "Strategy-proofness versus Efficiency in Matching with Indifferences: Redesigning the NYC High School Match." American Economic Review 99, no. 5 (December 2009). (AER links to access the Appendix and Downloadable Data Set.)
- October 1994 (Revised March 1999)
- Case
Ritz-Carlton: Using Information Systems to Better Serve the Customer
By: W. Earl Sasser, Thomas O. Jones and Norman Klein
Explores the interface of an information system that keeps track of guests and their preferences, and the people systems that deliver multiple services at Ritz-Carlton hotels. The luxury hotel chain's unique service credo and commitment to quality principles are... View Details
Keywords: Competency and Skills; Customer Satisfaction; Training; Recruitment; Service Delivery; Supply Chain Management; Luxury; Balance and Stability; Information Technology
Sasser, W. Earl, Thomas O. Jones, and Norman Klein. "Ritz-Carlton: Using Information Systems to Better Serve the Customer." Harvard Business School Case 395-064, October 1994. (Revised March 1999.)
- 12 Jul 2020
- Book
The Harvard Business School Faculty Summer Reader 2020
and the legacy that you wish to leave, and it is probably still my favorite of all Ishiguro’s books. I also love memoirs and found Paul Kalanithi’s When Breath Becomes Air to... View Details
Keywords: by Staff
- December 2009
- Article
Hiding the Evidence of Valid Theories: How Coupled Search Processes Obscure Performance Differences Among Organizations
By: Nicolaj Siggelkow and Jan Rivkin
Theorists argue that an organization's high-level choices, such as its organizational design or the attributes of its top management team, should influence its performance, yet empirical researchers have struggled to detect such influence. The impact of high-level... View Details
Keywords: Decision Choices and Conditions; Management Teams; Organizational Design; Performance Effectiveness; Power and Influence; Balance and Stability
Siggelkow, Nicolaj, and Jan Rivkin. "Hiding the Evidence of Valid Theories: How Coupled Search Processes Obscure Performance Differences Among Organizations." Administrative Science Quarterly 54, no. 4 (December 2009): 602 – 634.
- 2003
- Working Paper
Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows
By: Ramon Casadesus-Masanell and Pankaj Ghemawat
This paper analyzes a dynamic mixed duopoly in which a profit-maximizing competitor interacts with a competitor that prices at zero (or marginal cost), with the cumulation of output affecting their relative positions over time. The modeling effort is motivated by... View Details
Keywords: Business Model; Competition; Open Source Distribution; Balance and Stability; Applications and Software; Network Effects; Duopoly and Oligopoly
Casadesus-Masanell, Ramon, and Pankaj Ghemawat. "Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows." Harvard Business School Working Paper, No. 04-012, August 2003.
- 02 Apr 2019
- Research Event
Women Pay a Higher Career Price in Today's Always-On Work Culture
educated and valuable talent in a competitive labor market. The loss of women managers—and potential future leaders—has been particularly vexing for executives. Many of them cling to the belief that women’s struggle to View Details
- Career Coach
Erika Osterling
network search. Erika approaches coaching with a combination of self-reflection and action-orientation. Through her personal journey, she is also experienced in navigating a job search with US immigration & work authorization... View Details
- November 2006
- Background Note
Technical Game Theory Note #1: Solving Bi-matrix Games
By: Dennis A. Yao
Explains how to solve bi-matrix games and introduces the Nash Equilibrium concept. View Details
- 18 Sep 2006
- Research & Ideas
When Words Get in the Way: The Failure of Fiscal Language
map of New York to drive in Los Angeles. As examples, the authors cite the ongoing movement for a U.S. balanced budget amendment; the IMF's use of the deficit to assess fiscal prudence; the Gramm-Rudman-Hollings Act to limit U.S.... View Details
Keywords: by Julia Hanna
- November 2018 (Revised March 2019)
- Case
Mellody Hobson at Ariel Investments
By: Francesca Gino and Lakshmi Ramarajan
In 2018, Mellody Hobson, President of Ariel Investments, the largest minority-owned investment firm in the United States, was considering how best to divide her time and use her position and personal characteristics to push for positive change at her firm and in... View Details
Keywords: Female Protagonist; African-American Protagonist; Investment Management; Leadership; Personal Development and Career; Work-Life Balance; Financial Services Industry; Chicago
Gino, Francesca, and Lakshmi Ramarajan. "Mellody Hobson at Ariel Investments." Harvard Business School Case 419-041, November 2018. (Revised March 2019.)
- 2014
- Working Paper
Team Scaffolds: How Meso-Level Structures Support Role-based Coordination in Temporary Groups
By: Melissa A. Valentine and Amy C. Edmondson
This paper shows how meso-level structures support effective coordination in temporary groups. Prior research on coordination in temporary groups describes how roles encode individual responsibilities so that coordination between relative strangers is possible. We... View Details
Keywords: Fluid Personnel; Team Scaffolds; Team Effectiveness; Role-based Coordination; Multi-method; Health Care and Treatment; Analytics and Data Science; Knowledge Use and Leverage; Organizational Structure; Outcome or Result; Performance Effectiveness; Groups and Teams; Networks; Behavior; Balance and Stability; Health Industry
Valentine, Melissa A., and Amy C. Edmondson. "Team Scaffolds: How Meso-Level Structures Support Role-based Coordination in Temporary Groups." Harvard Business School Working Paper, No. 12-062, January 2012. (Revised June 2014.)
- November 1997
- Case
Colly Cotton Ltd.
By: Ray A. Goldberg and Tom Clay
Colly Farm is an entrepreneurial cotton farm complex that has to compete on a world market. In going public it has to satisfy the market that it can remain profitable in volatile times. View Details
Goldberg, Ray A., and Tom Clay. "Colly Cotton Ltd." Harvard Business School Case 598-052, November 1997.
- February 2021 (Revised July 2022)
- Case
Sarah Breedlove: Changing the World
By: Robert Simons and Max Saffer
This case describes the rise of Sarah Breedlove, who later called herself Madam C.J. Walker, from the cotton fields of Louisiana to the head of a successful, nationwide beauty company providing opportunity and hair care products to Black women. The case describes how... View Details
Keywords: Brands; African-american Entrepreneurs; Entrepreneurship; Values and Beliefs; Personal Characteristics; Success; Work-Life Balance; Business Startups; Brands and Branding; Marketing; Personal Development and Career; Beauty and Cosmetics Industry; United States
Simons, Robert, and Max Saffer. "Sarah Breedlove: Changing the World." Harvard Business School Case 121-060, February 2021. (Revised July 2022.)
- Summer 2014
- Article
When Does a Platform Create Value by Limiting Choice?
By: Ramon Casadesus-Masanell and Hanna Halaburda
We present a theory for why it might be rational for a platform to limit the number of applications available on it. Our model is based on the observation that even if users prefer application variety, applications often also exhibit direct network effects. When there... View Details
Keywords: Platform Governance; Direct Network Effects; Indirect Network Effects; Complements; Tragedy Of The Commons; Equilibrium Selection; Coordination; Foresight; Strategy; Value Creation; Digital Platforms; Balance and Stability; Decision Choices and Conditions; Consumer Behavior; Applications and Software; Network Effects
Casadesus-Masanell, Ramon, and Hanna Halaburda. "When Does a Platform Create Value by Limiting Choice?" Journal of Economics & Management Strategy 23, no. 2 (Summer 2014): 259–293.
- May 2003 (Revised March 2006)
- Case
Carol Fishman Cohen: Professional Career Reentry (A)
By: Myra M. Hart, Robin J. Ely and Susan Wojewoda
Explores the career challenges facing highly successful women who leave the full-time workforce for several years to manage family commitments. Carol Cohen is a 1985 Harvard MBA who has professional line experience in a manufacturing environment, followed by a... View Details
Hart, Myra M., Robin J. Ely, and Susan Wojewoda. "Carol Fishman Cohen: Professional Career Reentry (A)." Harvard Business School Case 803-185, May 2003. (Revised March 2006.)
- March 2005
- Article
Sovereign Debt As a Contingent Claim: A Quantitative Approach
By: Laura Alfaro and Fabio Kanczuk
We construct a dynamic equilibrium model with contingent service and adverse selection to quantitatively study sovereign debt. In the model, benefits of defaulting are tempered by higher future interest rates. For a wide set of parameters, the only equilibrium is one... View Details
Keywords: Sovereign Finance; Borrowing and Debt; Interest Rates; Balance and Stability; Risk and Uncertainty; Risk Management; Mathematical Methods; Management Style; Segmentation; Debt Securities; Banking Industry
Alfaro, Laura, and Fabio Kanczuk. "Sovereign Debt As a Contingent Claim: A Quantitative Approach." Journal of International Economics 65, no. 2 (March 2005).
- 22 Jan 2013
- First Look
First Look: Jan. 22
and observable stability using reduced form regressions. The other is an institutional economics conception of how to measure performance. It is focused on understanding whether foreign entry gave rise to... View Details
Keywords: Sean Silverthorne
- February 2006 (Revised May 2006)
- Case
JA Worldwide: Managing Change in a Multi-governed Environment
By: Michael Chu and Barbara Zepp Larson
Post-merger, the head of Junior Achievement (JA) Worldwide must now oversee operations in 98 countries serving 6.6 million students, with over 7,600 local chapter board directors. President and CEO David Chernow's own board has increased to 111 members. Two separate... View Details
Keywords: Mergers and Acquisitions; Business Model; Change Management; Cross-Cultural and Cross-Border Issues; Governance; Business or Company Management; Service Operations; Organizational Structure; Nonprofit Organizations; Balance and Stability
Chu, Michael, and Barbara Zepp Larson. "JA Worldwide: Managing Change in a Multi-governed Environment." Harvard Business School Case 306-025, February 2006. (Revised May 2006.)
- November 2009
- Case
An Entrepreneur's Journey: Simi Nwogugu
By: John A. Davis and Shirley Spence
This multimedia case follows Simi Nwogugu's life from childhood in Lagos, Nigeria to Mount Holyoke and Wall Street, back to Lagos to found a chapter of Junior Achievement, through marriage and HBS to motherhood and disenchantment with opportunities for mothers in the... View Details
Keywords: Entrepreneurship; Corporate Entrepreneurship; Work-Life Balance; Customization and Personalization; Business Ventures; Nigeria; United States
Davis, John A., and Shirley Spence. "An Entrepreneur's Journey: Simi Nwogugu." Harvard Business School Multimedia/Video Case 810-701, November 2009.
- July 2006
- Article
Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows
By: Ramon Casadesus-Masanell and Pankaj Ghemawat
This paper analyzes a dynamic mixed duopoly in which a profit-maximizing competitor interacts with a competitor that prices at zero (or marginal cost), with the cumulation of output affecting their relative positions over time. The modeling effort is motivated by... View Details
Keywords: Open Source Software; Demand-side Learning; Network Effects; Linux; Mixed Duopoly; Competitive Dynamics; Business Models; Duopoly and Oligopoly; Information Technology; Applications and Software; Business Model; Mathematical Methods; Digital Platforms; Profit; Balance and Stability; Management Analysis, Tools, and Techniques; SWOT Analysis; Competition; Price; Information Technology Industry
Casadesus-Masanell, Ramon, and Pankaj Ghemawat. "Dynamic Mixed Duopoly: A Model Motivated by Linux vs. Windows." Management Science 52, no. 7 (July 2006): 1072–1084.