Publications

06 Dec 2021
News

Truth Be Told

Image by John Ritter In 2018, HBS associate professors Aiyesha Dey and Jonas Heese wrote a case about a whistleblower at a multi-national gambling company who exposed financial misstatements, first to his manager and later to the US Securities and Exchange Commission.... View Details

Keywords: April White; Corporate, Subsidiary, and Regional Managing Offices; Management

May 2021
Article

Stability, Strategy-Proofness, and Cumulative Offer Mechanisms

By: John William Hatfield, Scott Duke Kominers and Alexander Westkamp

We consider the setting of many-to-one matching with contracts, where firms may demand multiple contracts, but each worker desires at most one contract. We introduce three novel conditions—observable substitutability, observable size monotonicity, and... View Details

Keywords: Matching With Contracts; Stability; Strategy-proofness; Substitutability; Size Monotonicity; Cumulative Offer Mechanism; Marketplace Matching; Balance and Stability

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2015
Working Paper

Stability, Strategy-Proofness, and Cumulative Offer Mechanisms

By: John William Hatfield, Scott Duke Kominers and Alexander Westkamp

We consider the setting of many-to-one matching with contracts, where firms may demand multiple contracts but each worker desires at most one contract. We introduce three novel conditions—observable substitutability, observable size monotonicity,... View Details

Keywords: Matching With Contracts; Stability; Strategy-proofness; Substitutability; Size Monotonicity; Cumulative Offer Mechanism; Contracts; Market Design; Marketplace Matching; Balance and Stability

November 2019
Article

Full Substitutability

By: John William Hatfield, Scott Duke Kominers, Alexandru Nichifor, Michael Ostrovsky and Alexander Westkamp

Various forms of substitutability are essential for establishing the existence of equilibria and other useful properties in diverse settings such as matching, auctions, and exchange economies with indivisible goods. We extend earlier models’ definitions of... View Details

Keywords: Substitutability; Mathematical Methods; Auctions; Market Design

13 Apr 2022
News

Ranjay Gulati (Harvard Business School) - Finding a Deeper Purpose

June 2025
Case

TagHive: Edtech Pricing and Distributor Decisions

By: Isamar Troncoso, Frank V. Cespedes and Stacy Straaberg

Education technology (edtech) company TagHive, founded in 2017, used a direct sales team and third-party distributors to sell its Class Saathi hardware and software solution to 300 clients, mainly primary and secondary schools in India. The product aimed to improve... View Details

Article

Is ‘Not Guilty’ the Same as ‘Innocent’? Evidence from SEC Financial Fraud Investigations

By: Eugene F. Soltes and David H. Solomon

When the Securities and Exchange Commission (SEC) investigates firms for financial fraud, investors learn about the investigation only if managers disclose it, or regulators sanction the firm. We investigate the effects of such disclosures using confidential records on... View Details

Keywords: Financial Fraud; Corporate Disclosure; Performance; Outcome or Result

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18 Apr 2011
News

Harvard Business School Announces New Leadership Fellows

Teaching Interest

Investment Managment for Professional and Personal Investors

By: Luis M. Viceira

IMPPI is suitable for all students interested in gaining a broad perspective on investing and the asset management business, including those targeting careers in asset management and those interested in learning how to become sophisticated consumers of investment... View Details

13 Jul 2010
First Look

First Look: July 13

is the impact of foreign bank entry on the pricing and availability of credit in developing economies? The Mexican banking system provides a quasi-experiment to address this question because in 1997 the... View Details

Keywords: Martha Lagace

31 Jul 2017
News

Isolationism is killing the American dream

December 2010 (Revised October 2021)
Case

Silver Lake

By: David J. Collis and Elizabeth A. Kind

Dave Roux, co-founder and chairman of Silver Lake, a private equity (PE) firm specializing in technology investments, was meeting with the firm's investment committee via video conference to discuss options for Silver Lake's future growth. While the private equity... View Details

Keywords: Growth and Development Strategy; Competitive Strategy; Private Equity; Expansion; Global Range; Financial Services Industry

Teaching Interest

Micro Topics in Organizational Behavior

By: Alison Wood Brooks

Micro Topics in Organizational Behavior is a PhD seminar course exploring current and seminal research on individual, dyadic, small group, and intra-organizational behavior. Examples of topics at the individual level include emotions, cognition, and behavioral... View Details

02 Apr 2024
What Do You Think?

What's Enough to Make Us Happy?

Half of Life (Portfolio/Penguin, 2022), p. xiv Clayton M. Christensen, James Allworth, and Karen Dillon, “How Will You Measure Your Life?,” Harvard Business Review, July-August, 2010 Oscar Hammerstein II and... View Details

Keywords: by James Heskett

2011
Working Paper

Price Competition under Multinomial Logit Demand Functions with Random Coefficients

In this paper, we postulate a general class of price competition models with Mixed Multinomial Logit demand functions under affine cost functions. We first characterize the equilibrium behavior of this class of models in the case where each product in the market is... View Details

Keywords: Customers; Income Characteristics; Price; Product Marketing; Mathematical Methods; Competition; Segmentation

Article

Teaching with Cases to Graduate and Undergraduate Students

By: Robert Bruner, Benton E. Gup, Bennie H. Nunnally Jr. and Laurence C. Pettit

Case studies are tools that are widely used in graduate and undergraduate education. It takes time to learn how to get the most out of them for you and your students. The process involves trials and errors to determine the techniques that work best. What works for... View Details

Keywords: Higher Education; Cases

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June 1996 (Revised January 1999)
Case

XcelleNet, Inc. (A)

By: Stephen P. Bradley, Richard L. Nolan and James Leonard

XcelleNet, a $35 million system software company based in Atlanta, was founded in 1986 to address the computing needs of a class of remote and mobile users and data that were rarely connected to a network. Though the clear first mover and leader in the remote... View Details

Keywords: Technological Innovation; Opportunities; Competitive Strategy; Competitive Advantage; Technology Networks; Computer Industry; Atlanta

October 2009 (Revised April 2021)
Case

Ingrid Johnson and Nedbank Business Banking

By: Michael Tushman and David Kiron

This case discusses the issue of leading change at the business banking division of Nedbank, a prominent South African bank, between 2005 and 2009. (This timeframe, beginning just 11 years after Apartheid's end, covers Ingrid Johnson's leadership of this division... View Details

Keywords: Leadership And Change Management; Leadership; Leading Change; Banks and Banking; Organizational Culture; Organizational Structure; Change Management; Leadership Style; Banking Industry; South Africa

June 2011
Case

CA Technologies: Bringing the Cloud to Earth

By: Marco Iansiti and Kerry Herman

Adam Famularo, general manager, Cloud Computing business, CA Technologies, and David Dobson, WVP and group executive, Customer Solutions Group, were preparing for a presentation on communicating and positioning CA Technologies' new strategy for cloud computing.... View Details

Keywords: Disruptive Innovation; Product Positioning; Expansion; Internet and the Web; Technology Adoption