Publications

Educators

January–February 2023
Article

Forecasting COVID-19 and Analyzing the Effect of Government Interventions

By: Michael Lingzhi Li, Hamza Tazi Bouardi, Omar Skali Lami, Thomas Trikalinos, Nikolaos Trichakis and Dimitris Bertsimas

We developed DELPHI, a novel epidemiological model for predicting detected cases and deaths in the prevaccination era of the COVID-19 pandemic. The model allows for underdetection of infections and effects of government interventions. We have applied DELPHI across more... View Details

Keywords: COVID-19 Pandemic; Epidemics; Analytics and Data Science; Health Pandemics; AI and Machine Learning; Forecasting and Prediction

2022
Book

The Role of Innovation and Entrepreneurship in Economic Growth

By: Michael J. Andrews, Aaron Chatterji, Josh Lerner and Scott Stern

We live in an era in which innovation and entrepreneurship seem ubiquitous, particularly in regions like Silicon Valley, Boston, and the Research Triangle Park. But many metrics of economic growth, such as productivity growth and business dynamism, have been at best... View Details

Keywords: Productivity Growth; Production Technologies; Innovation and Invention; Entrepreneurship; Economic Growth; Competition; Organizational Design; Economic Slowdown and Stagnation

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August 2020
Article

Improving Working Conditions in Global Supply Chains: The Role of Institutional Environments and Monitoring Program Design

By: Jodi L. Short, Michael W. Toffel and Andrea R. Hugill

Activism seeking to improve labor conditions in global supply chains has led many transnational corporations to adopt codes of conduct and monitor suppliers for compliance. Drawing on thousands of audits conducted by a major social auditor, we identify structural... View Details

Keywords: Monitoring; Supplier Relationship; Sustainability; Sustainability Management; Sustainable Operations; Sustainable Supply Chains; NGO; Operations; Supply Chain Management; Governance Compliance; Corporate Social Responsibility and Impact; Global Range; Working Conditions

2016
Working Paper

Workplace Design: The Good, the Bad, and the Productive

By: Michael Housman and Dylan Minor

We study the effects of performance spillover in the workplace-both positive and negative-on several dimensions, and find that it is pervasive and decreasing in the physical distance between workers. We also find that workers have different strengths, and that while... View Details

Keywords: Strategic Human Resource Management; Peer Effects; Productivity; Spillovers; Toxic Worker; Strategy; Working Conditions; Performance Productivity; Human Resources

SSRN

September 2011 (Revised October 2014)
Case

Ganesh Natarajan: Leading Innovation and Organizational Change at Zensar (A)

By: Michael Tushman and David Kiron

In 2005, Ganesh Natarajan, CEO of Zensar, a Pune, India-based software company, and his senior management team are considering consolidating staff and resources at the firms. Natarajan proposes an additional, possible controversial business unit to the proposed new... View Details

Keywords: Change Management; Technological Innovation; Leading Change; Product Launch; Organizational Change and Adaptation; Organizational Structure; Information Technology Industry

Educators

25 Sep 2012
First Look

First Look: September 25

of tomorrow's innovative new products, arguing that companies must reinvest in new product and process development in the U.S. industrial sector. Only by reviving this "industrial commons" can the world's largest economy build... View Details

Keywords: Sean Silverthorne

2016
Working Paper

The Great Training Robbery

By: Michael Beer, Magnus Finnstrom and Derek Schrader

In 2012 U.S. corporations spent $164.2 billion on training and education. Overwhelming evidence and experience shows, however, that most companies are unable to transfer employee learning into changes in individual and organization behavior or improved financial... View Details

Keywords: Training; Organizations; Investment Return

SSRN

12 Mar 2019
First Look

New Research and Ideas, March 12, 2019

emergent machine of the sovereign state. Yet such strategic interaction rarely yielded a decisive victory for either the secular state or for religion. By tracing how state-builders engaged religious institutions, elites, and attachments,... View Details

Keywords: Dina Gerdeman

February 26, 2024
Article

Making Workplaces Safer Through Machine Learning

By: Matthew S. Johnson, David I. Levine and Michael W. Toffel

Machine learning algorithms can dramatically improve regulatory effectiveness. This short article describes the authors' scholarly work that shows how the U.S. Occupational Safety and Health Administration (OSHA) could have reduced nearly twice as many occupational... View Details

Keywords: Government Experimentation; Auditing; Inspection; Evaluation; Process Improvement; Government Administration; AI and Machine Learning; Safety; Governing Rules, Regulations, and Reforms

February 2003
Other Article

The Emergence and Sustainability of Abnormal Profits

By: Michael E. Porter and Anita M. McGahan

In this paper, we examine the emergence and the sustainability of abnormal profits among businesses that were part of U.S. public corporations between 1981 and 1994 and that reported financial results for at least six years. Our results reveal strong asymmetries... View Details

Keywords: Strategy; United States

23 Oct 2012
First Look

First Look: October 23

paper: http://www.whatworksforamerica.org/ideas/inflection-point-new-vision-new-strategy-new-organization/ Customer-Driven Misconduct: How Competition Corrupts Business Practices Authors:Victor Manuel Bennett, Lamar Pierce, Jason A. Snyder, and View Details

Keywords: Sean Silverthorne

01 Feb 2002
News

It's academic. (Not!)

If your idea of a Ph.D. in business conjures up visions of spectacled scholars toiling in solitude in the library's darkest, dustiest corners, think again. At HBS, students in the School's Doctoral Programs are doing much more than theorizing and crunching numbers.... View Details

Keywords: Colleges, Universities, and Professional Schools; Educational Services

March 1998 (Revised December 2005)
Case

Beta Golf

By: William A. Sahlman, Michael J. Roberts and Laurence E. Katz

The Beta Group is a technology incubator in Menlo Park, CA that has successfully built a portfolio of businesses in the medical, consumer products, and industrial technology sectors by systematically matching proprietary technologies to unmet market needs. Beta has... View Details

Keywords: Business Strategy; Investment; Financial Strategy; Information Technology; Commercialization

Educators

20 Sep 2017
News

Lessons from Yelp’s Empirical Approach to Diversity

March 2007
Article

Internet Advertising and the Generalized Second Price Auction: Selling Billions of Dollars Worth of Keywords

By: Benjamin Edelman, Michael Ostrovsky and Michael Schwarz

We investigate the "generalized second-price" auction (GSP), a new mechanism used by search engines to sell online advertising. Although GSP looks similar to the Vickrey-Clarke-Groves (VCG) mechanism, its properties are very different. Unlike the VCG mechanism, GSP... View Details

Keywords: Auctions; Search Technology; Online Advertising; Strategy; Balance and Stability

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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

Find at Harvard

2024
Working Paper

Second- versus Third-party Audit Quality: Evidence from Global Supply Chain Monitoring

By: Maria R. Ibanez, Ashley Palmarozzo, Jodi L. Short and Michael W. Toffel

Capitalizing on the superior credibility and flexibility and potential lower cost of external assessments, many global buyers are relying less on their own employee (“second-party”) auditors and more on third-party auditors to monitor and prevent environmental and... View Details

Keywords: Auditing; Audit Quality; Working Conditions; Sustainability; Empirical Operations; Empirical Service Operations; Sustainability Management; Corporate Accountability; Corporate Social Responsibility and Impact; Supply Chain Management

SSRN

21 Nov 2017
First Look

First Look at New Research and Ideas, November 21, 2017

forthcoming Quantitative Marketing and Economics Aggregation of Consumer Ratings: An Application to Yelp.com By: Dai, Weijia, Ginger Jin, Jungmin Lee, and Michael Luca Abstract—Because consumer reviews leverage the wisdom of the crowd,... View Details

Keywords: Sean Silverthorne

April 2020
Teaching Note

Oaktree: Pierre Foods Investment

By: Victoria Ivashina, Michael Harmon and Terrence Shu

Teaching Note for HBS No. 219-018. This case is a setting to discuss “loan to own” investment strategy that is often pursued by distressed investors. The aftermath of the 2007 financial crisis left many companies with poor liquidity and limited ability to obtain... View Details

Keywords: Distress Investing; Investment; Debt Securities; Strategy; Restructuring