Publications

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14 Aug 2009
Working Paper Summaries

Insider Trading Preceding Goodwill Impairments

Keywords: by Karl A. Muller III, Monica Neamtiu & Edward J. Riedl

From Cotton Mill to Business Empire: The Emergence of Regional Enterprises in Modern China

The demise of state-owned enterprises, the transformation of collectives into shareholding cooperatives, and the creation of investment opportunities through stock markets indicate China’s movement from a socialist, state-controlled economy... View Details

March 2010
Article

Information Content of Insider Trades before and after the Sarbanes-Oxley Act

By: Francois Brochet

This paper examines the information content of Form 4 filings under the more timely disclosure regime introduced by Section 403 of the Sarbanes-Oxley Act of 2002 (SOX). Abnormal returns and trading volumes around filings of insider stock purchases are significantly... View Details

Keywords: Stocks; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Government Legislation; Lawsuits and Litigation; Market Transactions; Volume; Sales

Find at Harvard

2022
Working Paper

Overreaction and Diagnostic Expectations in Macroeconomics

By: Pedro Bordalo, Nicola Gennaioli and Andrei Shleifer

We present the case for the centrality of overreaction in expectations for addressing important challenges in finance and macroeconomics. First, non-rational expectations by market participants can be measured and modeled in ways that address some of the key challenges... View Details

Keywords: Overreaction; Rational Expectations; Macroeconomics; Market Participation; Social Psychology

Read Now

August 2019 (Revised April 2021)
Case

Zillow Offers: Winning Online Real Estate 2.0

By: Luis Viceira, Marco Di Maggio and Allison Ciechanover

Founded in 2005, Zillow had become the leading online real estate and home-related marketplace. The brand was recognized as a trusted resource for players in the real estate market, providing information and transparency on home prices. Revenue, which was historically... View Details

Keywords: Real Estate; Corporate Culture; Intermediation; Brokerage; Startup; Evaluating Business Investments; Property; Information Technology; Business Model; Expansion; Business Startups; Real Estate Industry; Media and Broadcasting Industry; United States

2024
Working Paper

Corporate Actions as Moral Issues

By: Zwetelina Iliewa, Elisabeth Kempf and Oliver Spalt

We study how a representative sample of the U.S. population evaluates a broad range of corporate actions from a nonpecuniary perspective. Our core findings, based on large-scale online surveys, are that (i) self-reported nonpecuniary concerns are large, both for stock... View Details

Keywords: Public Opinion; Corporate Social Responsibility and Impact; Moral Sensibility

SSRN

21 Sep 2018
News

America traded one recession for a far more serious one

October 2009 (Revised April 2010)
Case

Societe Generale (A): The Jerome Kerviel Affair

By: Francois Brochet

This case illustrates the tension/balance that firms with complex and risky business models must consider in designing their internal controls. It describes the environment in which a derivatives trader engaged in massive directional positions on major European stocks... View Details

Keywords: Risk Management; Problems and Challenges; Complexity; Cost Management; Balance and Stability; Business Model; Design; Stocks; Crisis Management; Financial Markets; Consulting Industry; Europe

12 Aug 2020
Research & Ideas

Why Investors Often Lose When They Sue Their Financial Adviser

Years of bull market bliss gave brokerage clients few reasons to open their account statements—until March. Within one month, stocks in the United States notched their biggest one-day losses—and gains—as... View Details

Keywords: by Danielle Kost; Financial Services

June 2023
Case

Tractor Supply Co

By: David L. Ager and Michael A. Roberto

In February 2023, Hal Lawton, CEO of Tractor Supply Co, the largest farm and ranch retailer in the United States reflected on the company’s 70% growth between 2019 and 2022. Economists had begun to predict an economic downturn and experts were predicting softening... View Details

Keywords: COVID-19 Pandemic; Demand and Consumers; Economic Slowdown and Stagnation; Organizational Change and Adaptation; Retail Industry

October 2018
Supplement

African Bank Investments Limited (B)

By: Lynn S. Paine and Will Hurwitz

Less than a year after joining the board of African Bank Investments Limited (ABIL), the newest director finds himself in difficult discussions with other directors about removing the struggling company’s CEO. The case is set in South Africa in mid-2014 as shares in... View Details

Keywords: Ethics; Personal Finance; Corporate Accountability; Governing and Advisory Boards; Corporate Governance; Crisis Management; Insurance; Leadership; Management; Risk Management; Banking Industry; Financial Services Industry; Insurance Industry; Africa; South Africa

February 2015
Case

Beckman Coulter, 2011

By: John R. Wells and Galen Danskin

In early 2011, Danaher was contemplating the acquisition of Beckman Coulter. With $3.7 billion of revenues in 2010 and $431 million in operating profits, California-based Beckman Coulter was a global leader in blood cell count diagnostic systems and also supplied a... View Details

Keywords: Acquisition; Strategy; Decision Choices and Conditions; Medical Devices and Supplies Industry

September 2016
Case

Partners Group: Ain't No Mountain High Enough

By: Nori Gerardo Lietz and Ricardo Andrade

Partners Group (PG), a Swiss-based PE manager, initiated a series of strategic shifts and evolved from a predominately fund-of-funds manager into a large, multi-asset class PE firm focused on direct investments. PG was the first PE firm to go public in 2006. A number... View Details

Keywords: Business Model; Management Practices and Processes; Entrepreneurship

July 2012 (Revised April 2014)
Case

Research In Motion: The Mobile OS Platform War

By: Alan MacCormack, Brian Dunn and Chris F. Kemerer

The case describes competition in the market for smart phones in the US, and the position of one player, Research In Motion (RIM) who manufacture the popular Blackberry line of products. Early in 2011, RIM is in trouble. Its stock price has plummeted, amidst poor... View Details

Keywords: Innovation; Product Development; Technology Strategy; Platform Strategy; Software; Hardware; Technological Innovation; Innovation Strategy; Information Infrastructure; Mobile and Wireless Technology; Digital Platforms; Applications and Software; Telecommunications Industry; Technology Industry; Canada; United States

May 2008
Article

Regulation and Bonding: The Sarbanes-Oxley Act and the Flow of International Listings

By: Suraj Srinivasan and Joseph Piotroski

In this paper, we examine the economic impact of the Sarbanes-Oxley Act (SOX) by analyzing foreign listing behavior onto U.S. and U.K. stock exchanges before and after the enactment of the Act in 2002. Using a sample of all listing events onto U.S. and U.K. exchanges... View Details

Keywords: Decision Choices and Conditions; Stocks; Government Legislation; Market Transactions; Motivation and Incentives; United Kingdom; United States