Publications
Publications
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- All HBS Web
(3,190)
- Faculty Publications (591)
- Summer 2013
- Article
A Tale of Two Stories: Sustainability and the Quarterly Earnings Call
By: Robert G. Eccles and George Serafeim
One of the challenges companies claim to face in making sustainability a core part of their strategy and operations is that the market does not care about sustainability, either in general or because the time frames in which it matters are too long. The response of... View Details
- July 2013
- Case
B. Zaitz & Sons Co. Farmland Investing
By: Andre F. Perold
In April 2013, Ben Zaitz was looking down at an expanse of agricultural land as his plane flew over the Midwest. He would soon arrive in northern Minnesota to meet with farmers regarding land he had recently purchased there. The vast tracts of row-crop acreage below... View Details
- July 2013
- Case
Novozymes: Establishing the Cellulosic Ethanol Value Chain
By: Willy Shih and Sen Chai
As the world's largest producer of industrial enzymes, Novozymes had invested heavily for many years to bio-engineer enzymes that could break down cellulose into fermentable sugar. In 2010, the company had launched what it thought would become a breakthrough product... View Details
Keywords: System Complexity; Industrial Enzymes; Ethanol; Collulosic Ethanol; Fermentation; Genomics; Genetic Engineering; Value Chain; Assembling Value Chain; Energy Sources; Renewable Energy; Collaborative Innovation and Invention; Innovation and Management; Innovation Strategy; Technological Innovation; Management; Growth and Development Strategy; Industry Growth; Production; Research; Research and Development; Science; Genetics; Natural Environment; Environmental Sustainability; Science-Based Business; Business Strategy; Commercialization; Vertical Integration; Agriculture and Agribusiness Industry; Biotechnology Industry; Energy Industry; Denmark; United States
- 2013
- Book
Wall Street Research: Past, Present, and Future
By: Boris Groysberg and Paul M. Healy
Wall Street equity analysts provide research products and services on publicly-traded companies to institutional and retail investors to help them make more profitable investment decisions. During the last ten years Wall Street research has been battered by a series of... View Details
- June 2013 (Revised November 2013)
- Case
Bluefin Labs: The Acquisition by Twitter
By: John Deighton and Leora Kornfeld
What is the value of Bluefin Labs's social listening data to Twitter? Acquired by Twitter in 2013, Bluefin had built a system that gathered millions of online comments in an effort to develop new metrics for TV programs and brand advertising. With data from Twitter... View Details
- June 2013 (Revised April 2015)
- Case
Buffett's Bid for Media General's Newspapers
By: Benjamin C. Esty and Aldo Sesia
On May 12, 2012, BH Media Group, a subsidiary of Warren Buffett's Berkshire Hathaway, announced an offer to buy Media General's (MEG) newspaper division for $142 million in cash and provide debt financing to the struggling firm. Reactions from investors and industry... View Details
Keywords: Mergers ＆ Acquisitions; Bankruptcy; Mergers and Acquisitions; Valuation; Capital Structure; Insolvency and Bankruptcy; Financial Strategy; Risk Management; Executive Compensation; Cash Flow; Business Exit or Shutdown; Media; Advertising; Restructuring; Media and Broadcasting Industry; Publishing Industry; United States
- Summer 2013
- Article
Real Estate Prices During the Roaring Twenties and the Great Depression
By: Tom Nicholas and Anna Scherbina
Using new data on market-based transactions we construct real estate price indexes for Manhattan between 1920 and 1939. During the 1920s prices reached their highest level in the third quarter of 1929 before falling by 67% at the end of 1932 and hovering around that... View Details
- 2013
- Working Paper
Do Strict Capital Requirements Raise the Cost of Capital? Banking Regulation and the Low Risk Anomaly
By: Malcolm Baker and Jeffrey Wurgler
Minimum capital requirements are a central tool of banking regulation. Setting them balances a number of factors, including any effects on the cost of capital and in turn the rates available to borrowers. Standard theory predicts that, in perfect and efficient capital... View Details
- 2013
- Article
Learning and the Disappearing Association Between Governance and Returns
By: Lucian A. Bebchuk, Alma Cohen and Charles C.Y. Wang
The correlation between governance indices and abnormal returns documented for 1990–1999 subsequently disappeared. The correlation and its disappearance are both due to market participants' gradually learning to appreciate the difference between good-governance and... View Details
- May 2013
- Article
The Stock Selection and Performance of Buy-Side Analysts
Prior research on equity analysts focuses almost exclusively on those employed by sell-side investment banks and brokerage houses. Yet investment firms undertake their own buy-side research and their analysts face different stock selection and recommendation incentives... View Details
- April 2013
- Teaching Note
Bluefin Labs: The Acquisition by Twitter
By: John Deighton and Leora Kornfeld
What is the value of Bluefin Labs's social listening data to Twitter? Acquired by Twitter in 2013, Bluefin had built a system that gathered millions of online comments in an effort to develop new metrics for TV programs and brand advertising. With data from Twitter and... View Details
- 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
Keywords: Short Selling; Financial Accounting; Financial Analysis; Financial Analysts; Valuation; Business Analysis; Financial Statement Analysis; Financial Statements; Securitization; Securities Analysis; Fraud; Accounting Quality; Accounting Red Flags; Accounting Restatements; Hedge Fund; Hedge Funds; Accounting Scandal; Accounting Fraud; Financial Crisis; Financial Intermediaries; Financial Firms; Corporate Accountability; Subprime Lending; Mortgage Lending; Accounting; Accrual Accounting; Fair Value Accounting; Governance; Governance Compliance; Corporate Governance; Governance Controls; Financial Services Industry; United States; California
- March 2013
- Article
Misvaluing Innovation
By: Lauren Cohen, Karl Diether and Christopher Malloy
We demonstrate that a firm's ability to innovate is predictable, persistent, and relatively simple to compute, and yet the stock market ignores the implications of past successes when valuing future innovation. We show that two firms that invest the exact same in... View Details
- February 2013 (Revised June 2013)
- Case
BTG Pactual: Preserving a Partnership Culture
By: Paul Healy
- January 2013
- Case
Zappos.com 2009: Clothing, Customer Service, and Company Culture (MM)
By: Frances X. Frei and Robin J. Ely
On July 17, 2009, Zappos.com, a privately-held online retailer of shoes, clothing, and other soft-line retail categories, learned that Amazon.com, a $19 billion multinational online retailer, had won its Board of Directors' approval to offer to merge the two companies.... View Details
- June 2012
- Article
The Economic Value of Celebrity Endorsements
By: Anita Elberse and Jeroen Verleun
What is the payoff to enlisting celebrity endorsers? Although effects on stock returns are relatively well documented, little is known about any impact on sales—arguably a metric of more direct importance to advertising practitioners. In this study of athlete... View Details
Keywords: Stocks; Value; Advertising; Sales; Brands and Branding; Decisions; Economics; Marketing Strategy; Investment Return
- 2012
- Article
The Architecture of Transaction Networks: A Comparative Analysis of Hierarchy in Two Sectors
By: Jianxi Luo, Carliss Y. Baldwin, Daniel E. Whitney and Christopher L. Magee
Many products are manufactured in networks of firms linked by transactions, but comparatively little is known about how or why such transaction networks differ. This article investigates the transaction networks of two large sectors in Japan at a single point in time.... View Details
- Winter 2013
- Article
The New Patent Intermediaries: Platforms, Defensive Aggregators and Super-Aggregators
By: Andrei Hagiu and David B. Yoffie
The patent market consists mainly of privately negotiated, bilateral transactions, either sales or cross-licenses, between large companies. There is no eBay, Amazon, New York Stock Exchange, or Kelley's Blue Book equivalent for patents, and when buyers and sellers do... View Details
- November 2012
- Case
Ahold versus Tesco—Analyzing Performance
By: Suraj Srinivasan and Penelope Rossano
The case relates to understanding and comparing the performance of two leading retail companies—Ahold and Tesco. The case introduces the tools of Dupont and Modified Dupont Decomposition. While performance as measured by return on equity has been similar for the two... View Details
- October 2012
- Article
The Effect of Reference Point Prices on Mergers and Acquisitions
By: Malcolm Baker, Xin Pan and Jeffrey Wurgler
Prior stock price peaks of targets affect several aspects of merger and acquisition activity. Offer prices are biased toward recent peak prices although they are economically unremarkable. An offer's probability of acceptance jumps discontinuously when it exceeds a... View Details