Publications

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Research Summary

Mobile web advertising: maximum entropy banner allocation

The worldwide mobile advertising market, currently $3 billion in size, is expected to grow to $20 billion by 2011. Online and mobile advertising employs two main pricing models: pay-per-click (CPC) and pay-per-impression (CPM). To date, most of the... View Details

29 Sep 2020
Cold Call Podcast

Employee Performance vs. Company Values: A Manager’s Dilemma

Keywords: Re: Nitin Nohria; Financial Services

August 2011 (Revised July 2012)
Case

Mike Mayo Takes on Citigroup (A)

By: Suraj Srinivasan and Amy Kaser

The case details the conflict between Mike Mayo, an influential banking analyst and Citigroup about what Mayo considers aggressive accounting policies. Mike Mayo questions Citigroup's lack of a valuation allowance against their Deferred Tax Assets despite Citi's recent... View Details

Keywords: Accounting; Taxation; Capital; Financial Reporting; Corporate Disclosure; Valuation; Banks and Banking; Financial Strategy; Money; Conflict Management; Capital Budgeting; Asset Management; Banking Industry

Research Summary

Health-care Applications

Active postmarketing drug surveillance. There is substantial interest within the U.S. health community and among health policymakers in developing a surveillance system that scans public health databases in order to proactively detect potential drug safety... View Details

17 Jan 2023
Book

Good Companies Commit Crimes, But Great Leaders Can Prevent Them

Tsao, both of whom held senior positions in the US Department of Justice’s criminal division and now are Harvard Law School lecturers. It explores the topics through cases such... View Details

Keywords: by Lane Lambert

2019
Article

Overcoming Cultural Resistance to Open Source Innovation

By: John Winsor, Jin Hyun Paik, Michael Tushman and Karim R. Lakhani

Purpose: This article offers insight on how to effectively help incumbent organizations prepare for global business shifts to open source and digital business models.
Design/methodology/approach: Discussion related to observation, experience and case studies... View Details

Keywords: Open Source Innovation; Organizational Culture; Organizational Change and Adaptation; Business Model; Technological Innovation; Collaborative Innovation and Invention

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

April 2020
Case

Apple Inc. in 2020

By: David B. Yoffie and Daniel Fisher

After a decade as CEO, Tim Cook is facing one of his biggest strategic transitions of his tenure. While Apple had performed spectacularly well under Cook, Apple's core business was maturing. Sales of iPhones, iPads, and Macs were flat or down. However, Apple's new... View Details

Keywords: Innovation; Market Positioning; Marketing Implementation; Planning; Products; Strategic Positioning; Strategy; Information Technology; Competitive Strategy; Technological Innovation; Competitive Advantage; Product Positioning; Communication; Competition; Leadership; Strategic Planning; Computer Industry; Telecommunications Industry; Technology Industry

Benjamin Esty is the Roy and Elizabeth Simmons Professor of Business Administration at Harvard Business School. Over the years, he has taught a variety of courses ranging from advanced corporate finance and project finance to competitive strategy and leadership. He... View Details

Keywords: banking; asset management; investment banking industry; consumer products; shipping; wine; financial services

9 AM – 10 AM EST, 28 Feb 2017
Webinars: Trending@HBS

A Strategy for Leading Innovation

Creating a new business and optimizing an existing one are two fundamentally different management challenges. How can leaders meet the performance requirements of an existing business--one that is still thriving--while dramatically reinventing it? Govindarajan expands... View Details

Michael I. Parzen

Michael Parzen is a Senior Lecturer in the Technology and Operations Management unit at Harvard Business School. He is an applied statistician with extensive experience in data science education and currently teaches Applied Business Analytics as an MBA elective... View Details

30 Apr 2025
News

A Social Enterprise Talk in DC; Canadian Alumni Talk Trade; Meet the Leader: HBS Club of Colorado

where the case method turns into real-life conversations, where leadership is lived out through service, and where lifelong friendships are built. It’s a way to stay connected... View Details

Keywords: Margie Kelley

14 Jan 2022
News

Professor Linda Hill: Curiosity

Roberto Verganti

Roberto Verganti (rverganti@hbs.edu) is in the Technology and Operations Management Unit at Harvard Business School. He teaches Design Theory and Practice for the View Details

Keywords: automotive; computer; consumer products; electronics; fashion; food; furniture; high technology; home appliances; industrial goods; pharmaceuticals; semiconductor; software; telecommunications; textiles

September 1986 (Revised February 1991)
Case

Graves Industries, Inc. (C): Consumer Hardware Division

Describes events occurring over a three-year period in a division of Graves Industries. The division is being squeezed for profit, and managers in the division get involved in some fraudulent financial reporting schemes involving revenues and capitalization of... View Details

Keywords: Earnings Management; Crime and Corruption; Ethics; Financial Reporting

July 2004 (Revised May 2009)
Case

Getting Participant-centered Learning to Work

By: Thomas R. Piper, James L. Heskett and Gustavo Herrero

The newly appointed dean of a South American business school is eager to transform the learning process from the traditional lecture method to one that actively engages students and contributes to the development of critical managerial skills, attitudes, and world... View Details

Keywords: Change Management; Transformation; Business Education; Leading Change; Business Processes; Organizational Change and Adaptation; Alliances; Education Industry; South America

February 2011
Case

Stanley Black & Decker, Inc.

By: William E. Fruhan

This case allows instructors to explore shareholder value creation and transfer opportunities in merger and acquisition transactions. It also invites an examination of corporate governance issues surrounding CEO compensation. This case is quite brief (a total of 4... View Details

Keywords: Mergers and Acquisitions; Corporate Governance; Executive Compensation; Business and Shareholder Relations; Value Creation

03 Dec 2016
News

Help Wanted: More Jobs for America

January 2021 (Revised July 2022)
Case

Snapp: Scaling Under Sanctions in Iran (A)

By: Meg Rithmire and Gamze Yucaoglu

The case opens in November 2019 as Eyad Alkassar and Mahmoud Fouz, co-founders of Iran’s first and leading ride-hailing platform, Snapp, find out about Apple’s and Google’s decisions to remove all Iranian apps from their respective application stores.
The case... View Details

Keywords: Sanctions; Change Management; Disruption; Volatility; Decision Choices and Conditions; Cross-Cultural and Cross-Border Issues; Government and Politics; International Relations; National Security; Risk Management; Crisis Management; Transportation Industry; Iran; Middle East