Publications
Publications
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- All HBS Web
(4,067)
- Faculty Publications (641)
- September 2008
- Article
Firm Heterogeneity and Credit Risk Diversification
By: Samuel G. Hanson, M. Hashem Pesaran and Til Schuermann
This paper examines the impact of neglected heterogeneity on credit risk. We show that neglecting heterogeneity in firm returns and/or default thresholds leads to under estimation of expected losses (EL), and its effect on portfolio risk is ambiguous. Once EL is... View Details
- Article
Strong Leadership and Teamwork Drive Culture and Performance Change: Ohio State University Medical Center 2000–2006
By: Leonard A. Schlesinger, Fred Sanfilippo, Neeli Bendapudi and Anthony Rucci
Several characteristics of academic health centers have the potential to create high levels of internal conflict and misalignment that can pose significant leadership challenges.
In September 2000, the positions of Ohio State University (OSU) senior vice... View Details
- July 2008
- Article
Crime and Punishment in the 'American Dream'
By: Rafael Di Tella and Juan Dubra
We observe that countries where belief in the "American dream" (i.e., effort pays) prevails also set harsher punishment for criminals. We know that beliefs are also correlated with several features of the economic system (taxation, social insurance, etc). Our objective... View Details
- June 2008 (Revised July 2009)
- Case
COFCO Xinjiang Tunhe Co., Ltd.
By: David E. Bell and Aldo Sesia
In 2005, COFCO Ltd., one of China's largest and most successful companies, acquired Xinjiang Tunhe, a tomato processing firm, which had been, in recent years, poorly managed. COFCO changed Tunhe's management team and set out to create a culture of professionalism and... View Details
- June 2008 (Revised July 2008)
- Case
Kit Hinrichs at Pentagram (A)
By: Linda A. Hill and Emily Stecker
This case focuses on Kit Hinrichs, a 65-year-old partner at Pentagram, a privately owned multidisciplinary design firm. One of the world's most prestigious design firms, Pentagram was founded by five designers from different disciplines in London in the 1970s. By 2008,... View Details
- June 2008
- Supplement
Kit Hinrichs at Pentagram (B)
By: Linda A. Hill and Emily Stecker
This case focuses on Kit Hindrichs, a 65 year-old partner at Pentagram, a privately-owned multidisciplinary design firm. One of the world's most prestigious design firms, Pentagram was founded by five designers from different disciplines in London in the 1970s. By... View Details
- June 2008
- Teaching Note
Transparent Value LLC (TN)
By: Sharon P. Katz and Krishna G. Palepu
Teaching Note for [108098]. View Details
- June 2008 (Revised July 2008)
- Case
How Serial Entrepreneurs Build and Manage a Board of Directors in a Venture-Backed Start Up
By: Michael J. Roberts, William A. Sahlman and Sasha Novakovich
This case includes structured interviews with four serial entrepreneurs about the way in which they built and used their boards in each of their companies and what they have learned through that process. These entrepreneurs were asked similar questions, such as "How do... View Details
- May 2008
- Exercise
Stakeholder Analysis Tool
This exercise enables users to: identify stakeholders and analyze their interests and expectations; categorize interests and expectations based on importance; and develop an action plan. View Details
- May 2008
- Article
Excess Comovement of Stock Returns: Evidence from Cross-sectional Variation in Nikkei 225 Weights
By: Robin Greenwood
In the presence of limits to arbitrage, cross-sectional variation in periodic investor demand should be related to the degree of comovement of returns. I exploit the unusual weighting system of the Nikkei 225 index in Japan to identify cross-sectional variation in... View Details
Keywords: Stocks; Investment; Investment Return; Market Transactions; Weight; Performance Expectations; Behavior; Japan
- March 2008 (Revised February 2009)
- Case
Transparent Value LLC
By: Sharon P. Katz, Krishna G. Palepu and Aldo Sesia, Jr.
Leading index company Dow Jones recently signed a license and joint marketing agreement with Transparent Value LLC, the creator of a new fundamentals-based valuation methodology. The agreement allowed Dow Jones to offer a family of indexes based on the Transparent... View Details
Keywords: Asset Management; Stocks; Price; Performance Expectations; Mathematical Methods; Valuation
- February 2008 (Revised October 2010)
- Case
Mellon Financial and The Bank of New York
By: Carliss Y. Baldwin and Ryan Taliaferro
Bob Kelly, the new CEO of Mellon Financial, is considering the terms of a proposed "merger of equals" with The Bank of New York, just before the final Board meeting to approve the deal. The combination offers a great strategic fit, and the expected synergies are large.... View Details
- February 2008
- Article
Bandwidth Allocation in Peer-to-Peer File Sharing Networks
By: Albert Creus Mir, Ramon Casadesus-Masanell and Andres Hervas-Drane
We present a model of bandwidth allocation in a stylized peer-to-peer file sharing network. Given an arbitrary population of peers composed of sharers and freeriders, where all peers interconnect to maximize their allocated bandwidth, we derive the expected bandwidth... View Details
- January 2008
- Background Note
Convertible Arbitrage
By: Joshua Coval and Erik Stafford
The goal of this simulation is to understand how convertible bonds can be viewed as a portfolio of simpler securities and to introduce an over-the-counter market. The convertible bonds that are available during the simulation are at-the-money and in-the-money so that... View Details
- January 2008
- Background Note
Index Options
By: Joshua Coval and Erik Stafford
The goal of this simulation is to understand the patterns in index option prices that are not predicted by the Black-Scholes model. In particular, the simulation focuses on two properties of options prices. First, at-the-money implied volatilities from index options... View Details
Keywords: Volatility; Stock Options; Investment; Price; Profit; Risk Management; Mathematical Methods
- January 2008 (Revised March 2009)
- Case
Fortress Investment Group
By: Malcolm Baker, Carlos M. Galvez and James Quinn
CEO Wesley Edens and the five Fortress principals are contemplating a move unprecedented in the industry: becoming the first hedge fund and private equity firm to complete an IPO on the New York Stock Exchange (NYSE). This case examines potential reasons for a leading... View Details
- 2008
- Book
Becoming a New Manager
By: Linda A. Hill
You've just been promoted to a managerial position for the first time—congratulations! But beware: the managerial role differs markedly from the individual contributor role. Go into the job with mistaken assumptions about what to expect, and you just may be blindsided... View Details
- December 2007
- Article
Fair (and Not So Fair) Division
By: John W. Pratt
Drawbacks of existing procedures are illustrated and a method of efficient fair division is proposed that avoids them. Given additive participants' utilities, each item is priced at the geometric mean (or some other function) of its two highest valuations. The... View Details
- November 2007
- Background Note
Asset Allocation I
By: Joshua D. Coval, Erik Stafford, Rodrigo Osmo, John Jernigan, Zack Page and Paulo Passoni
The goal of these simulations is to understand the mathematics of mean-variance optimization and the equilibrium pricing of risk if all investors use this rule with common information sets. Simulation A focuses on five to 10 years of monthly sector returns that are... View Details
- November 2007
- Case
Antegren: A Beacon of Hope
By: Joshua D. Margolis, Thomas J. DeLong and Terence Heymann
The CEO of Biogen Idec faces a set of difficult decisions regarding a promising drug for Multiple Sclerosis that is headed for early approval by the FDA. The first in a series focuses on operational decisions triggered by the drive for early approval. Sparks discussion... View Details