Publications

Research Summary

Equity Valuation

By: Charles C.Y. Wang

Professor Wang’s research utilizes valuation theory to explain how firm fundamentals are related to the expected rates of equity returns and their term structures. His research provides strong evidence that valuation-based proxies of expected returns outperform the... View Details

Research Summary

Sustainable Operations

Professor Lee studies how operational synergies between different supply chains can be used to create economic value and improve environmental sustainability. She uses an operational lens to approach sustainability problems, focusing on the management of material flow... View Details

Keywords: Environment; Environmental Operations; Sustainability; Operations Management; Operational Disruptions; Supply Chain; Supply Chain Management; Food Security

Research Summary

By: Boris Groysberg

Professor Groysberg's research focuses on the challenges of managing professional service firms. In particular, his work investigates how a firm can be systematic in achieving a sustainable competitive advantage by leveraging its employees. In a number of related... View Details

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

September 2022
Article

Loneliness Versus Distress: A Comparison of Emotion Regulation Profiles

By: Alyssa J. Tan, Vincent Mancini, James J. Gross, Amit Goldenberg, Johanna C. Badcock, Michelle H. Lim, Rodrigo Becerra, Ben Jackson and David A. Preece

Loneliness, a negative emotion stemming from the perception of unmet social needs, is a major public health concern. Current interventions often target social domains but produce small effects and are not as effective as established emotion regulation (ER)-based... View Details

Keywords: Emotions

March 1997 (Revised October 1999)
Case

Stone Container in Honduras (A)

By: James K. Sebenius and Hannah Bowles

Chicago-based Stone Container Corp., a leading producer of cardboard containers and paper bags, proposes a large-scale pine forest management and utilization program in the La Mosquitia region of Honduras. A framework agreement with the government is strongly endorsed... View Details

Keywords: Negotiation Preparation; Negotiation Types; Environmental Sustainability; Conflict of Interests; Globalized Firms and Management; Developing Countries and Economies; Government and Politics; Manufacturing Industry; Pulp and Paper Industry; Honduras; Chicago

Find at Harvard

Winter 2014
Article

Does Service Bundling Reduce Churn?

By: Jeff Prince and Shane Greenstein

We examine whether bundling in telecommunications services reduces churn using a series of large, independent cross sections of household decisions. To identify the effect of bundling, we construct a pseudo-panel dataset and utilize a linear, dynamic panel-data model,... View Details

Keywords: Communication Technology; Customer Satisfaction; Product Marketing; Telecommunications Industry

Find at Harvard

2013
Article

Where Not to Eat? Improving Public Policy by Predicting Hygiene Inspections Using Online Reviews

By: Jun Seok Kang, Polina Kuznetsova, Yejin Choi and Michael Luca

Restaurant hygiene inspections are often cited as a success story of public disclosure. Hygiene grades influence customer decisions and serve as an accountability system for restaurants. However, cities (which are responsible for inspections) have limited resources to... View Details

Keywords: Safety; Food; Governance Compliance; Mathematical Methods; Applications and Software; Public Administration Industry; Retail Industry; Food and Beverage Industry

08 Jun 2021
News

The Psychological Benefits of Commuting to Work

Robert Simons

Robert Simons is a Baker Foundation Professor at Harvard Business School. For over 35 years, Simons has taught accounting, management control, and strategy execution courses in both the Harvard MBA and Executive Education Programs. For 2024/25, he is teaching a... View Details

Research Summary

Why Do Consumers Contribute to Connected Goods? A Dynamic Game of Competition and Cooperation in Social Networks

Social network platforms and media rely on the voluntary contributions of individual users to stay relevant. Consumers (users) contribute content such as photographs, videos, tweets etc.: these are available to any of their friends or peers, but not... View Details

July 2024
Technical Note

Intellectual Property in Tough Tech Ventures

By: Joshua Lev Krieger, Jim Matheson, Russ Wilcox and Mel Martin

This note explains the crucial role of intellectual property rights (IPR), particularly patents, in the success of tough tech ventures (TTVs). It outlines the patent system's mechanics, emphasizing utility patents and their requirements for novelty, non-obviousness,... View Details

Keywords: Intellectual Property

2014
Working Paper

De Gustibus non est Taxandum: Heterogeneity in Preferences and Optimal Redistribution

By: Benjamin B Lockwood and Matthew Weinzierl

The prominent but unproven intuition that preference heterogeneity reduces redistribution in a standard optimal tax model is shown to hold under the plausible condition that the distribution of preferences for consumption relative to leisure rises, in terms of... View Details

Keywords: Spending; Policy; Taxation; Theory; United States

SSRN

04 Dec 2017
News

Why CVS Wants to Buy Aetna

October 2009 (Revised November 2009)
Case

Acciona and the Battle for Control of Endesa

Acciona, S.A. is a global infrastructure and renewable energy conglomerate that is publicly traded in Spain and controlled by the Entrecanales family. In 2006, the company joined the highly politicized cross-border takeover battle for Spain's largest electric utility,... View Details

Keywords: Mergers and Acquisitions; Business Conglomerates; Renewable Energy; Cross-Cultural and Cross-Border Issues; Ownership Stake; Business and Government Relations; Business Strategy; Utilities Industry; Utilities Industry; Spain

May 2009 (Revised January 2011)
Case

Enel: Power, Russia, and Global Markets

By: Rawi E. Abdelal, Richard H.K. Vietor and Sogomon Tarontsi

Although the global trend toward liberalization of electric utilities forced Enel, the largest power company in Italy, to give up some of its assets in its home base, it also opened up many opportunities abroad, including in Russia, one of the largest electricity... View Details

Keywords: Mergers and Acquisitions; Energy Generation; Foreign Direct Investment; Global Strategy; Globalized Firms and Management; Globalized Markets and Industries; Business and Government Relations; Utilities Industry; Russia; Italy

Michael Porter is an economist, researcher, author, advisor, speaker and teacher. Throughout his career at Harvard Business School, he has brought economic theory and strategy concepts to bear on many of the most challenging problems facing corporations, economies... View Details

Keywords: biotechnology; e-commerce industry; health care; information; information technology industry; internet; nonprofit industry; service industry; state government

2014
Article

Models of Caring, or Acting as if One Cared, About the Welfare of Others

By: Julio J. Rotemberg

This paper surveys the theoretical literature in which people are modeled as taking other people's payoffs into account either because this affects their utility directly or because they wish to impress others with their social-mindedness. Key experimental results that... View Details

Keywords: Motivation and Incentives; Behavior; Philanthropy and Charitable Giving

Find at Harvard

2024
Working Paper

Immigrant Entrepreneurship: New Estimates and a Research Agenda

By: Saheel Chodavadia, Sari Pekkala Kerr, William R. Kerr and Louis Maiden

Immigrants contribute disproportionately to entrepreneurship in many countries, accounting for a quarter of new employer businesses in the US. We review recent research on the measurement of immigrant entrepreneurship, the traits of immigrant founders, their economic... View Details

Keywords: Immigrant Employment; Immigration; Entrepreneurship; Demographics; Innovation and Invention