Publications
Publications
Show Results For
- All HBS Web
(7,141)
- Faculty Publications (543)
Time Use
→
- 2014
- Article
The Growth and Limits of Arbitrage: Evidence from Short Interest
By: Samuel G. Hanson and Adi Sunderam
We develop a novel methodology to infer the amount of capital allocated to quantitative equity arbitrage strategies. Using this methodology, which exploits time-variation in the cross section of short interest, we document that the amount of capital devoted to value... View Details
- March 2014
- Case
Jurlique: Globalizing Beauty from Nature and Science
By: Geoffrey Jones and Andrew Spadafora
Considers the marketing and strategic challenges faced by natural beauty brands using the case of Australian-based Jurlique, which was acquired by Pola of Japan in 2011. The case opens two years later in July 2013 when Sam McKay, the chief executive officer, on a visit... View Details
- March 2014
- Article
Cyclicality of Credit Supply: Firm Level Evidence
By: Bo Becker and Victoria Ivashina
Theory predicts that there is a close link between bank credit supply and the evolution of the business cycle. Yet fluctuations in bank-loan supply have been hard to quantify in the time series. While loan issuance falls in recessions, it is not clear if this is due to... View Details
- February 2014
- Article
Governance and CEO Turnover: Do Something or Do the Right Thing?
By: Ray Fisman, Rakesh Khurana, Matthew Rhodes-Kropf and Soojin Yim
We study how corporate governance affects firm value through the decision of whether to fire or retain the CEO. We present a model in which weak governance—which prevents shareholders from controlling the board—protects inferior CEOs from dismissal, while at the same... View Details
- January 2014 (Revised May 2015)
- Case
Open English
By: Jeffrey J. Bussgang and Lisa Mazzanti
Open English, a Miami-based startup offering online English language learning services, had more than 30,000 active students across Latin America in 2012. The company had just closed a $43 million financing round in order to rapidly scale its service to the next level.... View Details
- 2014
- Chapter
Better Timing of Cyber Conflict
By: Elisabeth Paulson and Christopher Griffin
In this paper, we construct a model of cyber-weapon deployment and attempt to determine an optimal deployment time for cyberweapons using this model. We compare and contrast our approach to that in Axelrod and Iliev (R. Axelrod and R. Iliev. Timing of cyber conflict.... View Details
- September 2013 (Revised August 2024)
- Exercise
Process Analytics Simulation: Solutions
A set of exercises and instructions to be used with the Process Simulator software made by Pro Model. These exercises allow students to investigate the impact of variable processing times on the performance of simple in-line processes. Includes color exhibits. View Details
- July–August 2013
- Article
A Joint Model of Usage and Churn in Contractual Settings
By: Eva Ascarza and Bruce G.S. Hardie
As firms become more customer-centric, concepts such as customer equity come to the fore. Any serious attempt to quantify customer equity requires modeling techniques that can provide accurate multiperiod forecasts of customer behavior. Although a number of researchers... View Details
- 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
- Article
Fast Subset Scan for Multivariate Spatial Biosurveillance
By: Daniel B. Neill, Edward McFowland III and Huanian Zheng
We present new subset scan methods for multivariate event detection in massive space-time datasets. We extend the recently proposed 'fast subset scan' framework from univariate to multivariate data, enabling computationally efficient detection of irregular space-time... View Details
- 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
- May 2013
- Article
The Performance Frontier: Innovating for a Sustainable Strategy
By: Robert G. Eccles and George Serafeim
By now most companies have sustainability programs. They're cutting carbon emissions, reducing waste, and otherwise enhancing operational efficiency. But a mishmash of sustainability tactics does not add up to a sustainable strategy. To endure, a strategy must address... View Details
- 2013
- Article
What Goes Up Must Come Down? Experimental Evidence on Intuitive Forecasting
By: John Beshears, James J. Choi, Andreas Fuster, David Laibson and Brigitte C. Madrian
Do laboratory subjects correctly perceive the dynamics of a mean-reverting time series? In our experiment, subjects receive historical data and make forecasts at different horizons. The time series process that we use features short-run momentum and long-run partial... View Details
- Article
Intermediary Functions and the Market for Innovation in Meiji and Taisho Japan
By: Tom Nicholas and Hiroshi Shimizu
Japan experienced a transformational phase of technological development during the late nineteenth and early twentieth centuries. We argue that an important, but so far neglected, factor was a developing market for innovation and a patent attorney system that was... View Details
- April 2013
- Article
Making a Difference Matters: Impact Unlocks the Emotional Benefits of Prosocial Spending
By: Lara B. Aknin, Elizabeth W. Dunn, Ashley V. Whillans, Adam M. Grant and Michael I. Norton
When does giving lead to happiness? Here, we present two studies demonstrating that the
emotional benefits of spending money on others (prosocial spending) are unleashed when
givers are aware of their positive impact. In Study 1, an experiment using real... View Details
- 2013
- Article
Non-Audit Services and Financial Reporting Quality: Evidence from 1978–1980
By: Kevin Koh, Shiva Rajgopal and Suraj Srinivasan
We provide evidence for the long-standing concern on auditor conflicts of interest from providing non-audit services (NAS) to audit clients by using rarely explored NAS fee data from 1978 to 1980. Using this earlier setting, we find cross-sectional evidence of improved... View Details
- Article
Online and Official Price Indexes: Measuring Argentina's Inflation
By: Alberto Cavallo
Prices collected from online retailers can be used to construct daily price indexes that complement official statistics. This paper studies their ability to match official inflation estimates in five Latin American countries, with a focus on Argentina, where official... View Details
- 2013
- Working Paper
Do Display Ads Influence Search?: Attribution and Dynamics in Online Advertising
By: Sunil Gupta
As firms increasingly rely on online media to acquire consumers, marketing managers feel comfortable justifying higher online marketing spend by referring to online metrics such as click-through rate (CTR) and cost per acquisition (CPA). However, these standard online... View Details
- 5 Feb 2013
- Conference Presentation
Financing Entrepreneurial Growth
By: Tom Alberg, Andrew A. Bogan, Harold Bradley, Robert D. Cooter, Monika Gruter Cheney, Oliver R. Goodenough, William R. Hambrecht, Frank Hatheway, Thomas F. Hellmann, Marianne Hudson, Jared Konczal, Josh Lerner, Robert E. Litan, Diane Mulcahy, Ramana Nanda, Frank Partnoy, Joe Ratterman, Nava Ravikant, Jay R. Ritter, Alicia Robb, David T. Robinson, Allison Schrager, Barry Silbert, E. R. Sirri, Daniel Stangler and Sharon Vosmek
Despite recent innovations in entrepreneurial finance, particularly at the early stage of business creation, many new and young companies continue to face hurdles to acquire capital.
The Kauffman Foundation addressed current challenges and opportunities in... View Details
- January 2013 (Revised April 2015)
- Case
Affinity Labs: Valuing Customer Growth
By: Joseph B. Lassiter III and Elizabeth Kind
In November 2006, Chris Michel left Military.com, which he founded in 1999, to start Affinity Labs, a global network of online communities. That month, Michel raised a Series A round of venture funding and established a partnership with Monster, which he had sold... View Details