Publications

May 2023
Article

Decarbonizing Health Care: Engaging Leaders in Change

By: Vivian S. Lee, Kathy Gerwig, Emily Hough, Kedar Mate, Robert Biggio and Robert S. Kaplan

Health care leaders are often surprised to learn that their operations contribute significantly to a warming climate. In addition to their roles as responders to and victims of extreme weather events, health care organizations have an obligation to reduce... View Details

Keywords: Health Care; Decarbonization; Carbon Emissions; Net-zero Emissions; Climate Change; Health Care and Treatment; Health Industry

2025
Working Paper

Dynamic Personalization with Multiple Customer Signals: Multi-Response State Representation in Reinforcement Learning

By: Liangzong Ma, Ta-Wei Huang, Eva Ascarza and Ayelet Israeli

Reinforcement learning (RL) offers potential for optimizing sequences of customer interactions by modeling the relationships between customer states, company actions, and long-term value. However, its practical implementation often faces significant challenges.... View Details

Keywords: Dynamic Policy; Deep Reinforcement Learning; Representation Learning; Dynamic Difficulty Adjustment; Latent Variable Models; Customer Relationship Management; Customer Value and Value Chain; Foreign Direct Investment; Analytics and Data Science

SSRN

April 27, 2022
Article

Inequality in Researchers' Minds: Four Guiding Questions for Studying Subjective Perceptions of Economic Inequality

By: Jon M. Jachimowicz, Shai Davidai, Daniela Goya-Tocchetto, Barnabas Szaszi, Martin Day, Stephanie Tepper, L. Taylor Phillips, M. Usman Mirza, Nailya Ordabayeva and Oliver P. Hauser

Subjective perceptions of inequality can substantially influence policy attitudes, public health metrics, and societal well-being, but the lack of consensus in the scientific community on how to best operationalize and measure these perceptions may impede progress on... View Details

Keywords: Equality and Inequality; Perception; Analysis

November 2015
Article

Influence of Experience and the Surgical Learning Curve on Long-term Patient Outcomes in Cardiac Surgery

By: Bryan M. Burt, Andrew W. ElBardissi, Robert S. Huckman, Lawrence H. Cohn, Marisa W. Cevasco, James D. Rawn, Sary F. Aranki and John G. Byrne

OBJECTIVE: We hypothesized that increased post-graduate surgical experience correlates with improved operative efficiency and long-term survival in standard cardiac surgery procedures.

METHODS: Utilizing a prospectively collected retrospective database,... View Details

Keywords: Service Delivery; Value; Health Care and Treatment; Experience and Expertise; Health Industry

December 2005 (Revised April 2011)
Case

General Electric's 20th Century CEOs

By: Nitin Nohria, Anthony Mayo and Mark Benson

General Electric thrived in every decade of the 20th century. Since its founding in 1892, GE has placed a high value on picking and training the best people. Staff members worked with other scientists in the company's research lab to design and manufacture new and... View Details

Keywords: Business History; Leadership Style; Growth and Development Strategy; Management Style

Educators

December 2001 (Revised April 2003)
Case

Financing PPL Corporation's Growth Strategy

By: Benjamin C. Esty and Carrie Ferman

PPL Corp., an electric utility in Pennsylvania, needs to finance $1 billion of peaking plants as part of its new growth strategy. In February 2001, Steve May, director of finance for PPL's Global Division, is responsible for recommending a finance plan. After... View Details

Keywords: Financial Management; Financial Instruments; Project Finance; Financial Strategy; Corporate Finance; Leasing

Educators

Web

Leadership Fellows | Social Enterprise | Harvard Business School

organization to utilize a Fellow's leadership and management skills. Fellows are chosen by the hiring organizations through a standard interview process. Organizations pay Fellows a $65,000 salary and HBS awards Fellows a one-year grant... View Details

Article

Understanding Boards of Directors: A Systems Perspective

By: Jay W. Lorsch

In this essay, my goal is to explore why, despite the tireless efforts of talented people, research on corporate governance has been slow and uneven, and where that research should turn to next to be most valuable to practitioners. My belief is that the most fruitful... View Details

Keywords: Corporate Boards; Business Admnistration; Social Systems; Corporate Governance; Governing and Advisory Boards; System

January 2015
Article

Competing with Privacy

By: Ramon Casadesus-Masanell and Andres Hervas-Drane

We analyze the implications of consumer privacy for competition in the marketplace. We consider a market where firms set prices and disclosure levels for consumer information, and consumers observe both before deciding which firm to patronize and how much information... View Details

Keywords: Information Acquisition; Information Disclosure; Online Privacy; Privacy Regulation; Information; Rights; Internet and the Web; Competition; Internet and the Web; Corporate Disclosure; Ethics; Knowledge Acquisition

July 2011
Article

Kidney Paired Donation

By: C. Bradley Wallis, Kannan P. Samy, Alvin E. Roth and Michael A. Rees

Kidney paired donation (KPD) was first suggested in 1986, but it was not until 2000 when the first paired donation transplant was performed in the U.S. In the past decade, KPD has become the fastest growing source of transplantable kidneys, overcoming the barrier faced... View Details

Keywords: Philanthropy and Charitable Giving; Health Care and Treatment; Growth and Development Strategy; Success; Problems and Challenges; Programs; System; United States

Many companies approach product development as if it were manufacturing, trying to control costs and improve quality by applying zero-defect, efficiency-focused techniques. While this tactic can boost the performance of factories, it generally backfires with... View Details

Forthcoming
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

Keywords: Mathematical Methods; Analytics and Data Science

February 2017
Article

How Much Is a Win Worth? An Application to Intercollegiate Athletics

By: Doug J. Chung

Intercollegiate athletics in the United States have become a multibillion-dollar industry over the past several decades. In this study, we investigate the short- and long-term direct monetary effects of operating a winning athletics program for an academic institution... View Details

Keywords: Dynamic Panel Data; Heterogeneity; Instrumental Variables; Intercollegiate Athletics; Educational Finance; Entertainment Marketing; Higher Education; Marketing; Sports; Revenue; Education Industry; United States