Publications
Publications
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- All HBS Web
(632)
- Faculty Publications (143)
- August 2009 (Revised August 2010)
- Case
Calera Corporation
By: Joseph B. Lassiter III, Thomas J. Steenburgh and Lauren Barley
Brent Constantz, founder, CEO, and president of Calera Corporation, felt a surge of optimism as he gazed at the recently commissioned prototype flue gas processing line at Calera's R&D facility in Moss Landing, California. It was late May 2009, and Calera was an... View Details
- March 2009 (Revised February 2010)
- Teaching Note
PlanetTran (TN)
By: Lauren H. Cohen and Christopher J. Malloy
Teaching Note for [209029]. View Details
- March 2009
- Article
Loyalty-Based Portfolio Choice
By: Lauren Cohen
I evaluate the effect of loyalty on individuals' portfolio choice using a unique dataset of retirement contributions. I exploit the statutory difference that in 401(k) plans stand alone employees can invest directly in their division, while conglomerate employees must... View Details
- October 2008 (Revised March 2010)
- Case
PlanetTran
By: Lauren H. Cohen and Christopher J. Malloy
PlanetTran is an environmentally-friendly car service that utilizes a fleet of hybrid cars in providing livery service to corporations and individuals. The founder, Seth Riney, is evaluating outside funding options in order to expand the company, and has met several... View Details
- October 2008
- Article
The Small World of Investing: Board Connections and Mutual Fund Returns
By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy
This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details
- August 2008
- Article
Economic Links and Predictable Returns
By: Lauren Cohen and Andrea Frazzini
This paper finds evidence of return predictability across economically linked firms. We test the hypothesis that in the presence of investors subject to attention constraints, stock prices do not promptly incorporate news about economically related firms, generating... View Details
- 2008
- Working Paper
Attracting Flows by Attracting Big Clients: Conflicts of Interest and Mutual Fund Portfolio Choice
By: Lauren Cohen and Breno Schmidt
We explore a new channel for attracting inflows using a unique dataset of corporate 401(k) retirement plans and their mutual fund family trustees. Families secure substantial inflows by being named trustee of a 401(k) plan. This affords the plan sponsor potential... View Details
- 2008
- Working Paper
The Small World of Investing: Board Connections and Mutual Fund Returns
By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy
This paper uses social networks to identify information transfer in security markets. We focus on connections between mutual fund managers and corporate board members via shared education networks. We find that portfolio managers place larger bets on firms they are... View Details
- September 2007
- Case
Dice-K: The Hundred (Plus) Million Dollar Man
Describes the efforts made by the Boston Red Sox to sign superstar Japanese pitcher Daisuke (Dice-K) Matsuzaka within the context of the team's attempts to keep pace with longtime rival, the New York Yankees. In late 2006, Dice-K is viewed as the prize of the free... View Details
- April 2006 (Revised March 2007)
- Case
PayPal Merchant Services
By: Thomas R. Eisenmann and Lauren Barley
In early 2006, PayPal management is deciding how to respond to Google's entry into online payments. PayPal, owned by eBay, has targeted online merchants outside eBay's auction community for its next wave of expansion. Google represents a potential threat to PayPal's... View Details
- February 2006 (Revised June 2007)
- Case
Atheros Communications
By: Thomas R. Eisenmann and Lauren Barley
Managers at Atheros, a leading provider of wireless local area network chipsets, must decide whether to join a special interest group (SIG) proposed by Intel to end an impasse over standards for the 802.11n (11n), the next generation of "Wi-Fi" technology. Two factions... View Details
- October 2004 (Revised January 2006)
- Tutorial
Introduction to Responsibility Accounting Systems
By: David F. Hawkins, V.G. Narayanan, Jacob Cohen and Michele Jurgens
Responsibility accounting systems generate financial and related nonfinancial information about the actual and planned activities of a company's responsibility centers--organizational units headed by managers responsible for a unit's performance. The principal... View Details
- May 2003 (Revised March 2006)
- Case
Carol Fishman Cohen: Professional Career Reentry (A)
By: Myra M. Hart, Robin J. Ely and Susan Wojewoda
Explores the career challenges facing highly successful women who leave the full-time workforce for several years to manage family commitments. Carol Cohen is a 1985 Harvard MBA who has professional line experience in a manufacturing environment, followed by a... View Details
- September 2002 (Revised January 2003)
- Case
Dimensional Fund Advisors, 2002
Dimensional Fund Advisors (DFA) is an investment management firm that prides itself on basing its investment strategies on sound academic research. Many of the best-known finance research papers of the past two decades (especially those by Eugene Fama and Kenneth... View Details
- September 2002 (Revised January 2003)
- Case
A-Rod: Signing the Best Player in Baseball
This case analyzes a large investment decision considered by the Texas Rangers in 2000: whether to spend $252 million for the services of shortstop Alex Rodriguez. The signing was probably the most controversial sports contract of the past decade. View Details
- November 2000 (Revised May 2001)
- Case
State of South Carolina, The
This case presents the managerial dilemma faced by the treasurer of South Carolina in 1998. Until last year, the South Carolina state pension fund (with over $17 billion in assets) was barred by the state constitution from investing in equities. After the constitution... View Details
- October 2000 (Revised October 2000)
- Case
Off-Balance Sheet Leases in the Restaurant Industry
By: Amy P. Hutton, Paul M. Healy and Jacob Cohen
Amid mounting concern by credit agencies about off-balance sheet liabilities, an analyst for one of the leading credit-rating agencies has been asked to make a presentation about off-balance sheet liabilities, the strategic analysis behind leasing versus purchasing... View Details
- September 2000
- Case
MCI-WorldCom Combination, The (A)
By: Paul M. Healy and Jacob Cohen
Outlines the accounting decision faced by WorldCom in its acquisition of MCI. Two methods are discussed (purchase and pooling) and students are asked to evaluate which would be more suitable for WorldCom. View Details
- November 1999 (Revised July 2003)
- Case
Pre-Paid Legal Services, Inc.
By: Paul M. Healy and Jacob Cohen
Pre-Paid Legal Services' business model reveals two key issues--managing the sales force and sales growth and managing claims. Students analyze the economics of the business and consider how to measure firm performance, how to evaluate and reward the sales force, and... View Details
- Forthcoming
- Article
Calling All Issuers: The Market for Debt Monitoring
By: Huaizhi Chen, Lauren Cohen and Weiling Liu
95% of long-term municipal bonds have callable features, and yet we find new evidence of a substantial fraction of local governments exercising these valuable options sub-optimally, with significant delays – resulting in sizable losses. Using data from 2001 to 2019, we... View Details