Publications

2017
Working Paper

The Use and Misuse of Patent Data: Issues for Corporate Finance and Beyond

By: Josh Lerner

Patents and citations are powerful tools for understanding innovative activity inside the firm and are increasingly used in corporate finance research. But due to the complexities of patent data collection and the changing spatial and industry composition of innovative... View Details

Keywords: Patents; Analytics and Data Science; Corporate Finance; Research; Problems and Challenges

May 2017 (Revised October 2017)
Case

Hyperloop Transportation Technologies: Building Breakthrough Innovations in Crowd-Powered Ecosystems

By: Lynda M. Applegate, Terri L. Griffith and Ann Majchrzak

Dirk Ahlborn, co-founder and CEO of Hyperloop Transportation Technologies, Inc. (HTT) looks back at the evolving organizational design and community that allows HTT to be crowd-powered. Since the founding in 2013, HTT has dealt with building an organization with less... View Details

Keywords: Collaboration; Crowdsourcing; Entrepreneurial Finance; Innovation; Organizational Design; Startups; Business Startups; Collaborative Innovation and Invention; Entrepreneurship; Finance; Product Development

Educators

October 2016
Article

Looking Across and Looking Beyond the Knowledge Frontier: Intellectual Distance and Resource Allocation in Science

By: Kevin J. Boudreau, Eva Guinan, Karim R. Lakhani and Christoph Riedl

Selecting among alternative innovative projects is a core management task in all innovating organizations. In this paper, we focus on the evaluation of frontier scientific research projects. We argue that the "intellectual distance" between the knowledge embodied in... View Details

Keywords: Knowledge; Innovation; Novelty; Evaluation; Resource Allocation; Decision Choices and Conditions; Innovation and Management; Science-Based Business; Experience and Expertise

SSRN

2014
Working Paper

Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches

By: Charles M.C. Lee, Paul Ma and Charles C.Y. Wang

Applying a "co-search" algorithm to Internet traffic at the SEC's EDGAR web-site, we develop a novel method for identifying economically-related peer firms and for measuring their relative importance. Our results show that firms appearing in chronologically adjacent... View Details

Keywords: Peer Firm; EDGAR Search Traffic; Revealed Preference; Co-search; Industry Classification; Analytics and Data Science; Internet and the Web; Mathematical Methods; Corporate Finance

SSRN

19 Oct 2017
HBS Seminar

Alden Young, Drexel University

15 Jul 2008
First Look

First Look: July 15, 2008

simple model of collective action which is intended to capture the various mechanisms that are discussed in the theoretical literature on collective action. We argue that several of these intuitive... View Details

Keywords: Martha Lagace

Article

Mitigating Bias in Adaptive Data Gathering via Differential Privacy

By: Seth Neel and Aaron Leon Roth

Data that is gathered adaptively—via bandit algorithms, for example—exhibits bias. This is true both when gathering simple numeric valued data—the empirical means kept track of by stochastic bandit algorithms are biased downwards—and when gathering more complicated... View Details

Keywords: Bandit Algorithms; Bias; Analytics and Data Science; Mathematical Methods; Theory

Article

Search-Based Peer Firms: Aggregating Investor Perceptions Through Internet Co-Searches

By: Charles M.C. Lee, Paul Ma and Charles C.Y. Wang

Applying a "co-search" algorithm to Internet traffic at the SEC's EDGAR website, we develop a novel method for identifying economically-related peer firms and for measuring their relative importance. Our results show that firms appearing in chronologically adjacent... View Details

Keywords: Peer Firm; EDGAR Search Traffic; Revealed Preference; Co-search; Industry Classification; Perception; Internet and the Web; Investment

April 2006 (Revised March 2007)
Case

Drexel Burnham Lambert (A): "The Smartest People on Wall Street Can be Had"

By: Boris Groysberg, Anahita Hashemi and Brendan Reed

In February 1990, Drexel Burnham Lambert declared bankruptcy amid a slew of scandals. Equities chief Arthur Kirsch hoped to keep his high-performing 600-person team intact. Could he find a company that would take on such a massive group hire? Competitors were already... View Details

Keywords: Decision Making; Decision Choices and Conditions; Insolvency and Bankruptcy; Selection and Staffing; Leadership; Negotiation; Groups and Teams; Power and Influence; Society

11 Jun 2024
In Practice

The Harvard Business School Faculty Summer Reader 2024

As the vacation season looms, Harvard Business School faculty members share recommendations for a little light reading. Spoiler alert: Lessons in Chemistry tops two of their beach-read lists. For those whose brains can’t—or won’t—turn off, HBS faculty also suggest some... View Details

Keywords: by Avery Forman

Web

Lehman Brothers Timeline | Baker Library | Bloomberg Center | Harvard Business School

Skip to Main Content Lehman Brothers Collection Resources Baker Library Collections Corporate Reports Collection R. G. Dun & Co. Credit Reports HBS Cases Baker Old Class View Details

Teaching Interest

Grand Challenges for Entrepreneurs

By: Tarun Khanna

Grand Challenges for Entrepreneurs (GCE) is designed for students who are interested in entrepreneurial approaches to the biggest challenges of our time. Grand Challenges are near-intractable, global problems that offer the tantalizing... View Details

2025
Working Paper

Markups and Cost Pass-through Along the Supply Chain

By: Santiago E. Alvarez-Blaser, Alberto Cavallo, Alexander MacKay and Paolo Mengano

We study markups and pricing strategies along the supply chain. Our unique dataset combines detailed price and cost information from a large global manufacturer with matched retail prices collected online for the period July 2018 through June 2023. We show that total... View Details

Keywords: Markups; Pricing; Price; Supply Chain; Inflation and Deflation; Cost

March 8, 2022
Article

Women Can’t Go Back to the Pre-Pandemic Status Quo

By: Colleen Ammerman and Boris Groysberg

Survey data collected in 2018 and 2019 from Harvard Business School graduates revealed that for women—and especially women of color—well-being at work was suffering long before the pandemic. While 17% of all respondents said that they often or very often experienced... View Details

Keywords: Women; Burnout; Gender; Race; Resignation and Termination; Well-being; Employees

December 2023
Article

Brokerage Relationships and Analyst Forecasts: Evidence from the Protocol for Broker Recruiting

By: Braiden Coleman, Michael Drake, Joseph Pacelli and Brady Twedt

In this study, we offer novel evidence on how the nature of brokerage-client relationships can influence the quality of equity research. We exploit a unique setting provided by the Protocol for Broker Recruiting to examine whether relaxed broker non-compete agreement... View Details

Keywords: Brokers; Analysts; Forecasts; Bias; Protocol; Investment; Research; Forecasting and Prediction

2021
Working Paper

Stock Investors' Returns Are Exaggerated

By: Jesse M. Fried, Paul Ma and Charles C.Y. Wang

The stock market generates less wealth than it appears. We show that total shareholder return (TSR), the standard measure of stock investor performance, substantially exaggerates returns earned by these investors in aggregate, and thus by most investors. The main... View Details

Keywords: All-shareholder Returns; Capital Flows; Dividend Reinvestment; Equity Premium; Total Shareholder Returns; Stocks; Investment Return; Market Timing

SSRN

March 2013 (Revised October 2013)
Supplement

Integrated Services at Jones Lang LaSalle (2005) (B)

By: Ranjay Gulati and Luciana Silvestri

This case describes the strategic and organizational challenges that Jones Lang LaSalle (JLL) faced between 2001 and 2005. Faced with the need to deliver integrated services to corporate clients in 2001, JLL created Corporate Solutions, a group that aimed to draw... View Details

Keywords: Organizational Structure; Strategy; Integration; Real Estate Industry; North America; South America; Central America

March 2010 (Revised May 2013)
Case

Chile's Copper Surplus: The Road Not Taken (A)

By: Laura Alfaro, Dante Roscini and Renee Kim

In 2008, Andres Velasco, Chile's Finance Minister, was under mounting criticisms over his fiscal policy. As the world's largest copper producer, Chile was benefiting from the rise in copper prices, which had more than tripled since 2003. Copper revenues translated into... View Details

Keywords: Developing Countries and Economies; Economic Growth; Metals and Minerals; Investment Funds; Policy; State Ownership; Wealth; Chile

Educators