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November 2006
Case

Selling Biovail Short

By: Malcolm P. Baker, Chris Lombardi and Aldo Sesia

Hedge fund SAC Capital and analysts from Gradient Analytics and Banc of America face charges of stock price manipulation from Biovail, a Canadian pharmaceutical company. Gradient and BofA produced negative reports on Biovail's earnings quality. At the same time, SAC... View Details

Keywords: Stock Shares; Investment Banking; Asset Pricing; Financial Strategy; Crime and Corruption; Pharmaceutical Industry; Financial Services Industry; Canada

March 2012 (Revised March 2012)
Background Note

Introduction to Short Selling

By: Lauren Cohen and Christopher Malloy

August 12, 2011
Journal Article

Short Selling Bans Are A Mistake

By: Robert C. Pozen

November 2011 (Revised April 2012)
Case

Quadriserv and the Short Selling Market

By: Lauren Cohen and Christopher Malloy

Keywords: Asset Management; Financial Instruments; Stocks; Financial Services Industry

November 2011 (Revised April 2012)
Teaching Note

Quadriserv and the Short Selling Market (TN)

By: Lauren Cohen, Christopher Malloy and Timothy Gray

Keywords: Market Transactions

2003
Other Unpublished Work

Short Selling in Practice--Intermediating Uncertain Share Availability

By: Gene M D'Avolio and André Perold

Keywords: Stocks; Risk and Uncertainty

March 2013
Case

NovaStar Financial: A Short Seller's Battle

By: Suraj Srinivasan and Amy Kaser

The NovaStar case describes the challenges faced by short seller Marc Cohodes of hedge fund Rocker Partners as he tried to expose what he thought was widespread fraud in mortgage lender NovaStar Financial. The case is set in the time period from 2001 to 2007 and tracks... View Details

June 2017 (Revised January 2019)
Case

Signet Jewelers: Assessing Customer Financing Risk

By: Gerardo Pérez Cavazos, Suraj Srinivasan and Monica Baraldi

Marc Cohodes, a renowned short seller, has identified weaknesses in Signet's business strategy, which he argues is heavily reliant on providing loans to customers with subprime credit scores. He believes that the company accounts for its receivables portfolio using... View Details

Keywords: Short Selling; Bad Debt Expense; Accounting; Financial Reporting; Financial Statements; Finance; Financing and Loans; Valuation; Retail Industry; Financial Services Industry; United States

06 Aug 2019
Cold Call Podcast

Super Bowl Ads Sell Products, but Do They Sell Brands?

absolutely tell a great story in a short amount of time. Kenny: When you augment it with social media, you can probably delve deeper into that story. What brands that have done well on the social media side of it? Santana: Budweiser aired... View Details

Keywords: Advertising; Sports; Entertainment & Recreation; Media & Broadcasting

April 2004 (Revised April 2011)
Case

Enron Corporation: May 6, 2001 Sell Recommendation

By: David F. Hawkins and Jacob Cohen

A consulting firm to institutional investors recommends selling Enron Corp.'s equity short on May 6, 2001, while many sellside analysts are recommending the stock as a "buy." View Details

Keywords: Judgments; Financial Reporting; Investment; Competency and Skills; Financial Statements; Consulting Industry

20 Mar 2008
Working Paper Summaries

Sell Side School Ties

Keywords: by Lauren H. Cohen, Andrea Frazzini & Christopher J. Malloy; Financial Services

30 Mar 2015
Research & Ideas

Managing the Family Business: Preparing to Sell

the family business. The portrait of the business would also typically represent more than 90 percent of the owners' wealth. “If this transition is not managed well, the family has a higher risk of losing its wealth through bad investment decisions and overconsumption”... View Details

Keywords: by Jonathan Pellegrin; Food & Beverage; Retail

Research Summary

The Appropriability of Reputation in Franchises Selling Brands

We develop a multi-market model in which there are two kinds of firms: brands and small firms (or agents). Firms interact with short lived clients in the market for goods (or services) and with each other in the market for franchises. The model is one of adverse... View Details

January 2018 (Revised February 2019)
Background Note

Margin Accounts

By: Samuel G. Hanson

Keywords: Margin Accounts; Buying On Margin; Short Selling; Prime Brokerage

August 2014 (Revised March 2015)
Case

Molycorp: Issuing the 'Happy Meal' Securities (B)

By: Benjamin C. Esty and E. Scott Mayfield

Molycorp, the Western hemisphere's only producer of rare earth minerals, was in the middle of a $1 billion capital expansion in its effort to become a vertically integrated supplier of rare earth minerals, oxides, and metals. After reporting lower than expected... View Details

February 2013
Case

Diamond Foods, Inc.

By: Suraj Srinivasan and Tim Gray

The Diamonds Foods, Inc. case describes the major accounting blow up at the company in late 2011 that was triggered by a report by Off Wall Street, a prominent short selling research firm. Diamond Foods, a high flying growth company in 2011, grew from a walnut farmers'... View Details

October 2013 (Revised September 2014)
Case

The TELUS Share Conversion Proposal

By: Lucy White, Benjamin C. Esty and Lisa Mazzanti

On February 21, 2013, TELUS announced a proposal to convert the firm's non-voting shares into voting shares on a one-to-one basis, thereby eliminating the firm's dual class structure. Shareholders were scheduled to vote on the proposal at the firm's annual general... View Details

March 2014 (Revised May 2014)
Teaching Note

The TELUS Share Conversion Proposal

By: Lucy White and Benjamin C. Esty

On February 21, 2013, TELUS announced a proposal to convert the firm's non-voting shares into voting shares on a one-to-one basis, thereby eliminating the firm's dual class structure. Shareholders were scheduled to vote on the proposal at the firm's annual general... View Details

September 1999
Case

Sally Jameson - 1999

By: George C. Chacko, Henry B. Reiling, Peter Tufano and Matthew Bailey

Sally Jameson has a large block of appreciated stock, which she is contemplating selling to purchase a home. She is comparing an outright sale, borrowing against the stock, shorting against the box, and a stock loan proposed by a small financial services firm. View Details

Keywords: Asset Pricing; Asset Management; Financial Liquidity; Stocks; Stock Options; Financing and Loans; Financial Services Industry

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February 2022
Case

Agora (A)

By: Lindsay N. Hyde, Thomas R. Eisenmann and Tom Quinn

Agora was a civic technology (civic tech) startup founded by Elsa Sze, who wanted to enhance the connection between political officials and their constituents by facilitating virtual “town halls,” making underrepresented voices heard and benefiting elected and... View Details

Keywords: Civic Technology; Government Administration; Conferences; Business Startups; Business Strategy

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