Publications

November 2008 (Revised November 2024)
Case

The Fall of Enron

By: Paul Healy and Krishna Palepu

The case traces the rise of Enron, covering the company's business innovations, personnel management, and risk management processes. It then examines the company's dramatic fall including the extension of its trading model into questionable new businesses, the... View Details

Keywords: Risk Management; Management Practices and Processes; Crime and Corruption; Financial Reporting; Corporate Governance; Governing and Advisory Boards

11 Aug 2009
First Look

First Look: August 11, 2009

margin can obscure the more subtle intensive margin effects of changes in financing constraints. Download the paper: http://www.hbs.edu/research/pdf/10-010.pdf Insider Trading Preceding Goodwill Impairments... View Details

Keywords: Martha Lagace

2025
Working Paper

Centralized Governance in Decentralized Organizations

By: Lin William Cong, Daniel Rabetti, Charles C.Y. Wang and Yu Yan

We systematically document governance centralization in decentralized autonomous organizations (DAOs) and study its drivers and economic implications. Using multiple data sources and granular on-chain transactional data, we compare our findings to those in corporate... View Details

Keywords: Blockchain; Governance; Voting; Organizations; Financial Services Industry

SSRN

18 Apr 2022
HBS Case

Dick’s Sporting Goods Followed Its Conscience on Guns—and It Paid Off

with less power at other publicly traded firms may not be in such an advantageous position. But the concrete steps Stack took also prevented the company from paying a higher price for following its corporate conscience—and the way it... View Details

Keywords: by Jay Fitzgerald

Research Summary

Current Research

Information Dissemination in Capital Markets

Seeking to bridge economic theory and the role of individuals, Professor Brochet researches the transmission of information in capital markets. He has investigated the effects of information... View Details

December 2022
Technical Note

Risks and Opportunities from the Transition to a Low Carbon Economy: A Business Analysis Framework

By: George Serafeim

The transition to a low carbon economy introduces many risks and opportunities for businesses. Risks emerge from regulatory actions, such as carbon taxes and cap and trade systems, technological innovation that develop alternatives for customers making existing... View Details

Keywords: Risk Assessment; Opportunities; Environmental Sustainability; Carbon Footprint; Risk Management; Competitive Dynamics; Business Analysis; Climate Change; Accounting; Finance; Valuation; Business and Shareholder Relations; Technological Innovation; Transition; Product Positioning; Renewable Energy; Analysis

19 Jul 2011
First Look

First Look: July 19

strategy, we decode the information in insider trading. Exploiting the fact that insiders trade for a variety of reasons, we show that there is predictable, identifiable... View Details

Keywords: Sean Silverthorne

February 2018
Article

Bank CEO Materialism: Risk Controls, Culture and Tail Risk

By: Robert Bushman, Robert Davidson, Aiyesha Dey and Abbie Smith

We investigate how the prevalence of materialistic bank CEOs has evolved over time and how risk management policies, non-CEO executives’ behavior, and tail risk vary with CEO materialism. We document that the proportion of banks run by materialistic CEOs increased... View Details

Keywords: Management; Personal Characteristics; Behavior; Risk Management; Organizational Culture; Banks and Banking; Banking Industry

Find at Harvard

September 2011 (Revised January 2012)
Case

Gerson Lehrman Group: Managing Risks

By: Boris Groysberg, Paul Healy and Sarah L. Abbott

It was June 2011 and Alexander Saint-Amand, President and CEO of Gerson Lehrman Group, the largest expert network firm globally, has found his firm once again in the midst of controversy. This controversy centered around a number of insider trading cases that had been... View Details

Keywords: Risk Management

18 Jan 2022
Research & Ideas

How Eliminating Non-Competes Could Reshape Tech

non-competes, making the agreements themselves less important. Consider the classic example of a trade secret: the secret formula for the Coca-Cola soft drink. At some point, that formula might have been the key to the company’s success.... View Details

Keywords: by Kristen Senz; Technology

2025
Working Paper

The Political Polarization of Corporate America

By: Vyacheslav Fos, Elisabeth Kempf and Margarita Tsoutsoura

U.S. executives are increasingly segregating by political party. We establish this new fact using political affiliations from voter registration records for top executives of S&P 1500 firms between 2008 and 2022. We identify key drivers of this trend, including... View Details

Keywords: Political Polarization; Partisanship; Executives; Government and Politics; Business and Shareholder Relations; United States

SSRN

Read Now

Teaching Interest

Overview

By: John F. Batter

As as Senior Lecturer I teach the EC course Law, Management and Entrepreneurship (cross-listed in the General Management and Entrepreneurial Management Units) in both the Fall and Spring semesters. While I have retired from my public and private company litigation... View Details

Keywords: Fiduciary Duty; Securities; Private Equity; Entrepreneurship; Mergers; Law

14 Dec 2021
Cold Call Podcast

How Japan’s Recruit Holdings Regained Trust after a Scandal

Keywords: Re: Sandra J. Sucher

2009
Other Unpublished Work

The Pecora Hearings

By: David Moss, Cole Bolton and Eugene Kintgen

In 1932, in the depths of the Great Depression, the Senate Banking Committee began a much-publicized investigation of the nation's financial sector. The hearings, which came to be known as the Pecora hearings after the Banking Committee's lead counsel Ferdinand... View Details

Keywords: Financial History; Financial Crisis; Financial Markets; Governing Rules, Regulations, and Reforms; Government Legislation; Laws and Statutes; Business and Government Relations; Financial Services Industry

March 2022 (Revised April 2022)
Case

MTN: Unlocking Value While Driving Socioeconomic Progress

By: Benjamin C. Esty, Pippa Tubman Armerding and Dilyana Karadzhova Botha

On March 10, 2021, Ralph Mupita the new CEO of MTN Group, Africa's largest telecommunications company, presented the group’s 2020 annual results and unveiled a new strategy to “drive growth and unlock value.” Despite MTN’s leadership in most of its markets, the... View Details

Keywords: Decision Making; Goals and Objectives; Valuation; Emerging Markets; Business Strategy; Financial Management; Information Technology; Corporate Finance; Telecommunications Industry; Africa; South Africa; Ghana; Nigeria

2017
Working Paper

The Effectiveness of White-Collar Crime Enforcement: Evidence from the War on Terror

By: Trung Nguyen

This paper studies the deterrent effect of criminal enforcement on white-collar criminal activities. Using the 9/11 terrorist attacks as a shock to the FBI’s allocation of investigative resources and priorities, and variations in the Muslim population in the United... View Details

Keywords: Regulation; Fraud; White-collar Crime; Enforcement; Crime and Corruption; Law Enforcement; System Shocks