Publications

January 2012 (Revised March 2012)
Teaching Note

Business Intelligence Advisors (BIA), Inc.: Finding the Hidden Meaning in Corporate Disclosures (TN)

By: Lauren Cohen, Christopher Malloy and Timothy Gray

Keywords: Corporate Disclosure

August 2010
Article

Sell-Side School Ties

By: Lauren H. Cohen, Christopher J. Malloy and Andrea Frazzini

We study the impact of social networks on agents' ability to gather superior information about firms. Exploiting novel data on the educational backgrounds of sell-side equity analysts and senior officers of firms, we test the hypothesis that analysts' school ties to... View Details

Keywords: Investment Return; Investment Portfolio; Corporate Disclosure; Governing Rules, Regulations, and Reforms; Knowledge Acquisition; Social and Collaborative Networks

July 2016
Case

Disintermediating the Banks: ThinCats and the Peer-to-Peer Lending Industry

By: Lauren Cohen, Tom Grant, Christopher Malloy and William Powley

Educators

Article

Shorting Demand and Predictability of Returns

By: Lauren Cohen, Karl B. Diether and Christopher J. Malloy

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October 2019
Teaching Note

CIR Group: Passing Wealth through the Generations

By: Lauren Cohen, Christopher J. Malloy and Elena Corsi

Teaching Note for HBS No. 219-060. View Details

December 2011
Article

Do Powerful Politicians Cause Corporate Downsizing?

By: Lauren Cohen, Joshua Coval and Christopher J. Malloy

This paper employs a new empirical approach for identifying the impact of government spending on the private sector. Our key innovation is to use changes in congressional committee chairmanship as a source of exogenous variation in state-level federal expenditures. In... View Details

Keywords: Spending; Private Sector; Taxation; Innovation and Invention; Interest Rates; Business and Government Relations; Investment; Employment; Power and Influence

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2008
Working Paper

Hiring Cheerleaders: Board Appointments of 'Independent' Directors

By: Lauren Cohen, Andrea Frazzini and Christopher J. Malloy

We test the hypothesis that firms appoint independent directors who are overly sympathetic to management, while still technically independent according to regulatory definitions. We explore a subset of independent directors for whom we have detailed, micro-level data... View Details

Keywords: Competency and Skills; Governing Rules, Regulations, and Reforms; Governing and Advisory Boards; Managerial Roles; Prejudice and Bias

November 2018
Supplement

Ashar Group: Brokers and Co-opetition in the Life Settlement Industry.

By: Alexander Braun, Lauren Cohen, Christopher J. Malloy and Jiahua Xu

March 2009 (Revised July 2024)
Teaching Note

Tottenham Hotspur plc

By: Lauren H. Cohen, Joshua D. Coval and Christopher J. Malloy

Teaching Note for HBS Case No. 209-059. View Details

Keywords: Sports Industry; London

2011
Working Paper

Do Powerful Politicians Cause Corporate Downsizing?

By: Lauren H. Cohen, Joshua D. Coval and Christopher J. Malloy

This paper employs a new empirical approach for identifying the impact of government spending on the private sector. Our key innovation is to use changes in congressional committee chairmanship as a source of exogenous variation in state-level federal expenditures. In... View Details

Keywords: Economic Growth; Investment; Spending; Government Administration; Employment; Managerial Roles

January 2019
Supplement

CIR Group: Passing Wealth through the Generations

By: Lauren Cohen, Christopher J. Malloy and Elena Corsi

December 2017
Response

Reply: Do Powerful Politicians Really Cause Corporate Downsizing?

By: Lauren Cohen, Joshua D. Coval and Christopher J. Malloy

While we commend the initiative of Snyder and Welch (2017), we lay out in this short reply why we remain highly confident in our results and our interpretation thereof. We welcome authors to continue to explore the data for themselves and look forward to the new... View Details

Keywords: Spending; Private Sector; Taxation; Interest Rates; Business and Government Relations; Investment; Employment; Power and Influence

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October 2007
Article

Supply and Demand Shifts in the Shorting Market

By: Lauren Cohen, Karl B. Diether and Christopher J. Malloy

Using proprietary data on stock loan fees and quantities from a large institutional investor, we examine the link between the shorting market and stock prices. Employing a unique identification strategy, we isolate shifts in the supply and demand for shorting. We find... View Details

Keywords: Analytics and Data Science; Stocks; Financing and Loans; Price; Strategy; Demand and Consumers; Forecasting and Prediction; Investment Return; Markets; Information

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October 2011 (Revised March 2012)
Case

AQR's DELTA Strategy

By: Daniel Bergstresser, Lauren Cohen, Randolph B. Cohen and Christopher Malloy

In the summer of 2008, AQR Capital Management was considering the launch of a new hedge fund strategy. The proposed DELTA portfolio would offer investors exposure to a basket of nine major hedge fund strategies. The DELTA strategy would be innovative in two ways.... View Details

Keywords: Investment Portfolio; Investment Funds; Financial Strategy; Financial Services Industry

Educators

April 2011 (Revised May 2011)
Supplement

AQR's Momentum Funds (B)

By: Daniel Baird Bergstresser, Lauren H. Cohen, Randolph B. Cohen and Christopher J. Malloy

This is a (B) case for AQR's Momentum Funds. It follows the first year of performance of the funds after launching, and gives students a critical inflection point for analyzing the nascent stages of a new product launch and the potential path dependence of the product... View Details

Keywords: Change; Decision Choices and Conditions; Investment Funds; Product Launch; Product; Performance; Perspective; Strategy

June 2018
Teaching Note

Ashar Group: Brokers and Co-opetition in the Life Settlement Industry

By: Alexander Braun, Lauren H. Cohen, Christopher J. Malloy and Jiahua Xu

Teaching Note for HBS No. 218-109. View Details