Publications

Dennis “DJ” DiDonna has dedicated his career to commercializing social science research to create organizations which positively impact the world.

He is a Senior Lecturer in the Entrepreneurial Management Unit at Harvard Business School where he teaches the... View Details

April 1990 (Revised December 1995)
Case

SouthPark IV

By: William J. Poorvu

A young entrepreneur examines an 80,000 square foot office/warehouse building as a potential acquisition. The building is currently fully leased but all four leases will expire shortly. Due to changing market conditions, the protagonist has to look at current market... View Details

Keywords: Mergers and Acquisitions; Valuation; Property; Management Analysis, Tools, and Techniques; Leasing; Cash Flow; Real Estate Industry

May 2014
Case

Groupon, Inc.

By: Krishna G. Palepu, Blythe J. McGarvie and James Weber

Internet coupon site "Groupon" grew revenues rapidly and went public, but struggled to impress investors or operate profitably. Did it have a sustainable business model? Groupon sold coupons called Groupons which purchasers used to acquire goods or services at... View Details

Keywords: Accounting; Corporate Governance; Entrepreneurship; Financial Management; Financial Reporting; Financial Statements; Organizational Culture; Strategy; Web Services Industry; United States

26 Aug 2020
News

'I'm afraid we're going to lose 20-30% of our small businesses': Fmr. SBA Administrator Karen Mills

Myra M. Hart

Myra Hart's research focus is high potential entrepreneurship. She has taught MBA and executive programs, co-chaired the entrepreneurship unit, and led several HBS initiatives. As a founding memberView Details

Keywords: consumer products; e-commerce industry; education industry; real estate; retailing

September 2020 (Revised February 2024)
Teaching Note

Artea (A), (B), (C), and (D): Designing Targeting Strategies

By: Eva Ascarza and Ayelet Israeli

Teaching Note for HBS No. 521-021,521-022,521-037,521-043. This collection of exercises aims to teach students about 1)Targeting Policies; and 2)Algorithmic bias in marketing—implications, causes, and possible solutions. Part (A) focuses on A/B testing analysis and... View Details

Keywords: Targeted Advertising; Targeting; Race; Gender; Diversity; Marketing; Customer Relationship Management; Prejudice and Bias; Analytics and Data Science; Retail Industry; Apparel and Accessories Industry; Technology Industry; United States

2010
Working Paper

Prosocial Spending and Well-Being: Cross-Cultural Evidence for a Psychological Universal

By: Lara B. Aknin, Christopher P. Barrington-Leigh, Elizabeth W. Dunn, John F. Helliwell, Robert Biswas-Diener, Imelda Kemeza, Paul Nyende, Claire Ashton-James and Michael I. Norton

This research provides the first support for a possible psychological universal: human beings around the world derive emotional benefits from using their financial resources to help others (prosocial spending). Analyzing survey data from 136 countries, we show that... View Details

Keywords: Spending; Philanthropy and Charitable Giving; Happiness; Motivation and Incentives; Welfare; Uganda; Canada

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26 Jun 2020
Working Paper Summaries

Weak Credit Covenants

Keywords: by Victoria Ivashina and Boris Vallée; Financial Services

13 Feb 2017
Working Paper Summaries

Diversity in Innovation

Keywords: by Paul A. Gompers and Sophie Q. Wang; Financial Services; Education

January 2011 (Revised July 2019)
Case

Houghton Mifflin Harcourt

By: Stuart C. Gilson and Sarah L. Abbott

One of the leading publishers of textbooks and other educational materials for the U.S. K-12 educational instruction market has suffered a dramatic decline in sales and profits in the wake of the 2008-2009 financial market crisis and economic recession, and is now... View Details

Keywords: Restructuring; Capital Structure; Financial Crisis; Insolvency and Bankruptcy; Decision Choices and Conditions; Publishing Industry; Massachusetts

October 2002 (Revised April 2007)
Case

Dell Computers (A): Field Service for Corporate Clients

By: Frances X. Frei, Amy C. Edmondson and Corey B. Hajim

Explores the highly successful PC and low-end server manufacturer's entry into the large-scale server market in the United States. A key difference of this new market is the intense service element required to support the larger hardware. Specifically, the industry... View Details

Keywords: Information Infrastructure; Customer Relationship Management; Job Cuts and Outsourcing; Service Operations; Business or Company Management; Emerging Markets; Problems and Challenges; Service Delivery; Computer Industry; United States

08 May 2017
Working Paper Summaries

Monetary Policy and Global Banking

Keywords: by Falk Bräuning and Victoria Ivashina; Banking

May 2024
Article

Production Complementarity and Information Transmission Across Industries

By: Charles M.C. Lee, Terrence Tianshuo Shi, Stephen Teng Sun and Ran Zhang

Economic theory suggests that production complementarity is an important driver of sectoral co-movements and business cycle fluctuations. We operationalize this concept using a measure of production complementarity proximity (COMPL) between any two companies. We show... View Details

Keywords: Financial Markets; Networks; Investment Return; Business Cycles

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June 2002 (Revised October 2002)
Case

Mexico: The Tequila Crisis 1994-1995

By: Huw Pill

Describes the evolution of the Mexican economy and its relation to the international capital markets in the period leading up to the Peso crisis of December 1994. Emphasizes the role of "Washington consensus" policies in stimulating the inflows and the inability of the... View Details

Keywords: Capital Markets; Macroeconomics; Mexico

Forthcoming
Article

The Disappearing Index Effect

By: Robin Greenwood and Marco Sammon

The abnormal return associated with a stock being added to the S&P 500 has fallen from an average of 7.4% in the 1990s to 0.3% over the past decade. This has occurred despite a significant increase in the share of stock market assets linked to the index. A similar... View Details

Keywords: Stocks; Investment Return; Value

Program

Audit Committees in a New Era of Governance

contribution. You will acquire the frameworks to align corporate strategy with financial reporting—and help your company operate more effectively in today's rigorous market and regulatory environment. You may also be interested in the... View Details

Research Summary

Overview

Pushing decision authority downward and increasing employee autonomy have become watchwords for the modern organization. Leaders of contemporary organizations view efforts to replace “command and control” systems with less-hierarchical approaches to organizing as... View Details

Keywords: Formalization; Teams; Decentralization; Hierarchy; Organizational Design; Organizational Structure; Self-managing Organizations; Future Of Work; Flat Organization

June 2007 (Revised January 2009)
Case

Nextel Partners: Put Option

By: Timothy A. Luehrman and Douglas Scott

Nextel Partners' shareholders have voted to exercise a put option that will require the company's largest shareholder, Sprint Nextel Corp., to purchase all the shares it does not already own. However, the put option does not stipulate a price to be paid, but rather a... View Details

Keywords: Mergers and Acquisitions; Stock Options; Price; Public Ownership; Valuation