Publications

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2022
Working Paper

Why Do Index Funds Have Market Power? Quantifying Frictions in the Index Fund Market

By: Zach Y. Brown, Mark Egan, Jihye Jeon, Chuqing Jin and Alex A. Wu

Index funds are one of the most common ways investors access financial markets and are perceived to be a transparent and low-cost alternative to active investment management. Despite these purported virtues of index fund investing and the introduction of new products... View Details

Keywords: Mutual Funds; Passive Investing; Asset Management; Financial Markets; Investment Funds; Financial Management; Financial Services Industry; United States

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September 1989 (Revised December 1989)
Case

Siemens Electric Motor Works (A) and (B) (Combined)

Explores how a cost system can help support a firm's decision to change strategies. In the process, students are exposed to a simple activity-based cost system. Also examines Siemens policy for transferring products between sales and manufacturing divisions. Transfer... View Details

Keywords: Activity Based Costing and Management; Business Strategy; Technology Industry

Program

Leading Professional Service Firms

Summary As entry barriers rapidly disappear, competition is accelerating and reshaping the business landscape for professional service firms. Navigating this continual change successfully requires extraordinary leadership abilities. This professional service firm View Details

Keywords: Professional Services; Professional Services

October 1996 (Revised December 1997)
Case

American Cyanamid (A): Boardroom Response to a Hostile Takeover Offer

American Home Products' (AHP) $9 billion hostile takeover of American Cyanamid (Cyanamid) was the largest mergers and-acquistions transaction in 1994, and made AHP the fourth largest pharmaceutical firm in the United States. At the time of AHP's offer, Cyanamid had... View Details

Keywords: Governing and Advisory Boards; Mergers and Acquisitions; Corporate Governance; Pharmaceutical Industry; United States

March 2011 (Revised June 2012)
Case

Office of Technology Transfer - Shanghai Institutes for Biological Sciences

By: Willy Shih, Sen Chai, Kamen Bliznashki and Courtney Hyland

Gordon Zong is trying to teach Chinese universities and research institutes how to do effective technology transfer and IP licensing, but he is trying to do it in an environment with weak property rights and an underdeveloped support infrastructure. As the managing... View Details

Keywords: Multinational Firms and Management; Patents; Knowledge Management; Law Enforcement; Business and Government Relations; Research and Development; Biotechnology Industry; Pharmaceutical Industry; China

December 2005 (Revised December 2008)
Case

SchoolNet: Pursuing Opportunity beyond Federal Mandates

Settling into his seat on the train bound for New York, CEO Jonathan Harber reflected on the evolution of SchoolNet's position in the educational technology market and its important relationship with Philadelphia. Specifically, how could it transition from a project to... View Details

Keywords: Customers; Education; Performance Improvement; Partners and Partnerships; Expansion; Technology Adoption; Philadelphia

July – August 2010
Article

Are You Ignoring Trends That Could Shake Up Your Business?

By: Elie Ofek and Luc Wathieu

Virtually all managers in consumer businesses recognize major social, economic, and technological trends. But many do not consider the profound ways in which trends--especially those that seem unrelated to their core markets--influence consumers' aspirations,... View Details

Keywords: Trends; Innovation and Invention; Knowledge Use and Leverage; Marketing Strategy; Consumer Behavior; Product Development

November 2002 (Revised May 2003)
Case

Epicentric

By: William A. Sahlman

Describes a set of decisions confronting the management of a software company that sells portal management tools to large companies. Management must raise additional funds under difficult circumstances. View Details

Keywords: Finance; Investment Funds; Business or Company Management; Product Marketing; Problems and Challenges; Sales; Information Technology Industry

Program

Behavioral Economics—Virtual

program prepares you to influence the behavior of customers and employees—and become a bigger contributor to your organization's success. This program is eligible for the Certificate of Management Excellence. Learn More Key Benefits... View Details

14 Apr 2021
Research & Ideas

The High Cost of the Slow COVID Vaccine Rollout

to speed COVID-19 vaccination—to dig into the economics of the virus. The group noted in the paper that many countries worked to ramp up vaccine development and production over the last year. The US, in particular, launched Operation Warp... View Details

Keywords: by Michael Blanding; Health

Nancy F. Koehn

Nancy F. Koehn is a historian at the Harvard Business School where she holds the James E. Robison chair of Business Administration. Koehn's research focuses on crisis leadership and how leaders and their teams rise to the challenges of high-stakes situations. Her... View Details

Keywords: beauty products; beauty products; beauty products; beauty products; beauty products; beauty products; beauty products; beauty products; beauty products; beauty products

October 2022 (Revised July 2025)
Case

Driving Decarbonization at BMW

By: Shirley Lu, George Serafeim and Michael W. Toffel

The case describes BMW’s electrification and decarbonization strategy, and how the company measured carbon emissions throughout the life cycle of its vehicles and used tools like carbon abatement cost curves to evaluate decarbonization opportunities. In mid-2022,... View Details

05 Jan 2010
First Look

First Look: January 5

externalities, two traditionally under-emphasized forces, exert consistently strong effects. Within each macro network, there is a large heterogeneity across subsidiaries. Subsidiaries with greater size and higher productivity attract... View Details

Keywords: Martha Lagace

2014
Working Paper

Cleaning House: The Impact of Information Technology on Employee Corruption and Performance

By: Lamar Pierce, Daniel Snow and Andrew McAfee

This paper examines how firm investments in technology-based employee monitoring impact both misconduct and productivity. We use unique and detailed theft and sales data from 392 restaurant locations from five firms that adopt a theft monitoring information technology... View Details

Keywords: Management Practices and Processes; Information Technology; Ethics; Performance Productivity; Employees

SSRN

03 Nov 2015
First Look

November 3, 2015

Discretionary Task Ordering: Queue Management in Radiological Services By: Ibanez, Maria, Jonathan R. Clark, Robert S. Huckman, and Bradley R. Staats Abstract—A long line of research examines how best to... View Details

Keywords: Sean Silverthorne

31 Jul 2014
Research & Ideas

A Scholarly Crowd Explores Crowdsourcing

Versus Deterministic Explanations of Crowdsourcing Success" to "Patients and Caregivers as Sources of Innovative Ideas and Solutions." In addition to open innovation, a conference track was devoted to scholarship around user innovations—improvements made... View Details

Keywords: by Sean Silverthorne

July 1999
Background Note

Comments on Standard Times and the Division of Labor

By: Roy D. Shapiro

A brief note on the origins and uses of standard times in production process flow diagrams and on the benefits and drawbacks of division of labor. A rewritten version of two earlier notes. View Details

Keywords: Labor; Management Practices and Processes; Standards; Production

September 20, 2024
Article

It’s Time to Unbundle ESG

By: Aaron K. Chatterji and Michael W. Toffel

ESG is at an inflection point. It has come to represent a broad and inchoate aspiration for what business should be doing beyond maximizing shareholder value. With ESG advocates on the defensive, business leaders need a new roadmap to determine which factors to... View Details

Keywords: ESG; ESG (Environmental, Social, Governance) Performance; ESG Ratings; ESG Reporting; ESG Disclosure; Sustainability; Climate; Climate Finance; Climate Risk; Social Accounting; Investment; Governance; Safety; Climate Change; Environmental Sustainability; Corporate Social Responsibility and Impact; Financial Services Industry

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May 2007 (Revised March 2010)
Case

Maria Sharapova: Marketing a Champion (A)

By: Anita Elberse and Margarita Golod

In July 2004, a then 17-year-old Maria Sharapova won Wimbledon, arguably the most prestigious tennis tournament in the world. Max Eisenbud, Sharapova's agent at International Management Group (IMG), knew the championship would lead to a flood of new opportunities. What... View Details

Keywords: Marketing Strategy; Advertising; Gender; Product Marketing; Sports Industry