Publications

Article

Investing in What You Know: The Case of Individual Investors and Local Stocks

By: Mark Seasholes and Ning Zhu

This paper tests the performance of individuals' equity investments. We study over 40,000 accounts and 950,000 trades from a large discount broker. Individuals invest heavily in local stocks and put 14% more into these stocks than a market-neutral portfolio... View Details

Keywords: Stocks; Local Range; Investment; Equity

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18 Mar 2014
News

Success Outside the Dress Code

12 Dec 2013
HBS Seminar

William Kerr, Harvard Business School

Forthcoming
Article

On the Economic Origins of Concerns Over Women’s Chastity

By: Anke Becker

This paper studies the origins and function of customs and norms that intend to keep women from being promiscuous. Using large-scale survey data from more than 100 countries, I test the anthropological theory that a particular form of preindustrial... View Details

Keywords: Infibulation; Female Sexuality; Paternity Uncertainty; Concern About Women's Chastity; Pastoralism; Economic Anthropology; History; Gender; Social Issues; Culture

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January 2008
Background Note

Equity Derivatives

By: Joshua Coval and Erik Stafford

The goal of these simulations is to understand the dynamic replication technique behind the Black-Scholes/Merton options model. The simulations focus on a single stock and a risk-free discount bond, which are used to replicate a contingent payoff. The underlying stock... View Details

Keywords: Equity; Bonds; Stocks; Price; Risk Management

September 2023
Supplement

Design and Evaluation of Targeted Interventions

By: Eva Ascarza

Targeted interventions serve as a pivotal tool in business strategy, streamlining decisions for enhanced efficiency and effectiveness. This note delves into two central facets of such interventions: first, the design of potent decision guidelines, or targeting... View Details

Keywords: Marketing; Design; Business Strategy; Policy; Retail Industry; Apparel and Accessories Industry; Technology Industry; Financial Services Industry; Telecommunications Industry

October 2023 (Revised February 2024)
Technical Note

Design and Evaluation of Targeted Interventions

By: Eva Ascarza and Ta-Wei (David) Huang

Targeted interventions serve as a pivotal tool in business strategy, streamlining decisions for enhanced efficiency and effectiveness. This note delves into two central facets of such interventions: first, the design of potent decision guidelines, or targeting... View Details

Keywords: Marketing; Customer Relationship Management; Analysis; Design; Business Strategy; Retail Industry; Apparel and Accessories Industry; Technology Industry; Financial Services Industry; Telecommunications Industry

August 2022 (Revised August 2023)
Case

NOW PT (A): Should We Invest?

By: George A Riedel, Amy Klopfenstein and Mel Martin

In fall 2021, a team of students from the HBS Impact Investing Fund considered Neurologic Optimal Wellness Physical Therapy (NOW PT) for a potential investment. Dr. Banks, the founder of NOW PT, drove to visit patients. She sought an investment from the fund to open a... View Details

Keywords: Entrepreneurship; Social Entrepreneurship; Finance; Investment; Health; Health Care and Treatment; Medical Specialties; Buildings and Facilities; Health Industry; Financial Services Industry; North and Central America; United States; Massachusetts

February 2021 (Revised June 2021)
Case

Bairong and the Promise of Big Data

By: Lauren Cohen, Xiaoyan Zhang and Spencer C.N. Hagist

Bairong CEO Felix Zhang, in launching his credit scoring start-up that incorporates 74,000 variables per individual, found strong initial success. However, the shifting regulatory environment, growing breadth of competitors, difficulties in retaining top talent, and... View Details

Keywords: Fintech; Big Data; Artificial Intelligence; Credit Scoring; Finance; Credit; Business Startups; AI and Machine Learning; Analytics and Data Science; China

February 2011 (Revised July 2013)
Case

A123 Systems: Power. Safety. Life.

By: Richard H.K. Vietor

A123 Systems, the largest manufacturer of lithium ion batteries in North America, is producing and selling batteries for electric vehicles in China and electric buses in Europe and America. It just opened two plants in Michigan, partially funded by a grant from... View Details

Keywords: Business or Company Management; Diversification; Machinery and Machining; Renewable Energy; Transportation; Management Skills; Corporate Finance; Auto Industry; Battery Industry

2013
Working Paper

What Makes the Bonding Stick? A Natural Experiment Involving the U.S. Supreme Court and Cross-Listed Firms

By: Amir N. Licht, Christopher Poliquin, Jordan I. Siegel and Xi Li

On March 29, 2010, the U.S. Supreme Court signaled its intention to geographically limit the reach of the U.S. securities antifraud regime and thus differentially exclude U.S.-listed foreign firms from the ambit of formal U.S. antifraud enforcement. We use this legal... View Details

Keywords: Crime and Corruption; International Finance; Investment; Corporate Governance; Governing Rules, Regulations, and Reforms; Courts and Trials; Legal Liability; United States

SSRN

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September 2010 (Revised November 2010)
Case

Ze-gen: Commercializing Clean Tech

By: Lynda M. Applegate, Kaitlyn Lyons and Scott Prozeller

The Ze-gen case covers the first five years in the life of a clean-tech start-up. Ze-gen had developed an innovative technology that converted solid waste into synthesis gas (called syngas). This technology was in testing at the company's pilot plant, built next to the... View Details

Keywords: Business Startups; Renewable Energy; Entrepreneurship; Financing and Loans; Environmental Sustainability; Commercialization; Green Technology Industry; New Bedford

July 2008
Article

Fairness in Extended Dictator-Game Experiments

By: Felix Oberholzer-Gee and Reiner Eichenberger

We test the robustness of behavior in dictator games by offering allocators the choice to play an unattractive lottery. With this lottery option, mean transfers from allocators to recipients substantially decline, partly because many allocators now keep the entire... View Details

Keywords: Decision Choices and Conditions; Fairness; Game Theory; Risk and Uncertainty; Behavior

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December 1998 (Revised January 2001)
Case

Acer, Inc.: Taiwan's Rampaging Dragon

By: Christopher A. Bartlett and Anthony St. George

Describes the strategic, organizational, and management changes that led Acer from its 1976 startup to become the world's second-largest computer manufacturer. Outlines the birth of the company, the painful "professionalization" of its management, the plunge into... View Details

Keywords: Organizational Change and Adaptation; Leadership; Competitive Advantage; Global Strategy; Transformation; Computer Industry; Taiwan

March 1998 (Revised October 2001)
Case

Teradyne: Corporate Management of Disruptive Change

By: Joseph L. Bower

Two cases deal with the introduction of a new product to Teradyne's line of semiconductor test equipment. This case deals with the problems facing the head of a start-up division responsible for developing and bringing to market a new product based on technology deemed... View Details

Keywords: Business Startups; Disruption; Management; Market Entry and Exit; Product; Problems and Challenges; Competitive Strategy; Corporate Strategy; Technology