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- All HBS Web
(841)
- People (2)
- News (122)
- Research (618)
- Events (7)
- Multimedia (1)
- Faculty Publications (400)
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- November 2007
- Background Note
Event Arbitrage
By: Joshua D. Coval and Erik Stafford
The event arbitrage module includes two simulation sessions. The first simulation focuses on analyzing and evaluating individual merger transactions, while the second simulation emphasizes managing a portfolio of individual positions and the limitations of arbitrage... View Details
Keywords: Mergers and Acquisitions; Capital Markets; Financial Management; Investment Portfolio; Risk Management
Coval, Joshua D., and Erik Stafford. "Event Arbitrage." Harvard Business School Background Note 208-090, November 2007.
- 2022
- Conference Presentation
Towards the Unification and Robustness of Post hoc Explanation Methods
By: Sushant Agarwal, Shahin Jabbari, Chirag Agarwal, Sohini Upadhyay, Steven Wu and Himabindu Lakkaraju
As machine learning black boxes are increasingly being deployed in critical domains such as healthcare and criminal justice, there has been a growing emphasis on developing techniques for explaining these black boxes in a post hoc manner. In this work, we analyze two... View Details
Keywords: AI and Machine Learning
Agarwal, Sushant, Shahin Jabbari, Chirag Agarwal, Sohini Upadhyay, Steven Wu, and Himabindu Lakkaraju. "Towards the Unification and Robustness of Post hoc Explanation Methods." Paper presented at the 3rd Symposium on Foundations of Responsible Computing (FORC), 2022.
- May 2011
- Article
Overconfidence by Bayesian Rational Agents
This paper derives two mechanisms through which Bayesian-rational individuals with differing priors will tend to be relatively overconfident about their estimates and predictions, in the sense of overestimating the precision of these estimates. The intuition behind one... View Details
Keywords: Decision Choices and Conditions; Forecasting and Prediction; Knowledge Acquisition; Risk Management; Prejudice and Bias
Van den Steen, Eric J. "Overconfidence by Bayesian Rational Agents." Management Science 57, no. 5 (May 2011): 884–896.
- October 2009
- Journal Article
Testing the Commitment Hypothesis in Contractual Settings: Evidence from Soccer
By: Oriol Carbonell and Diego A. Comin
This paper designs and implements an empirical test to discern whether the parties to a contract are able to commit not to renegotiate their agreement. We study optimal contracts with and without commitment and derive an exclusion restriction that is useful to identify... View Details
Carbonell, Oriol, and Diego A. Comin. "Testing the Commitment Hypothesis in Contractual Settings: Evidence from Soccer." Art. 1. Journal of Quantitative Analysis in Sports 5, no. 4 (October 2009).
- November 1992 (Revised December 1994)
- Case
BEA Associates: Enhanced Equity Index Funds
By: Andre F. Perold
BEA's enhanced index fund product uses derivatives and cash market securities to find the most efficient way to "track an index." The considerations involve transaction costs, custodial fees, withholding taxes on dividends, and fees from securities lending. In this... View Details
Keywords: Credit Derivatives and Swaps; Investment Portfolio; Management; Investment Banking; Competitive Advantage; Cost Management
Perold, Andre F. "BEA Associates: Enhanced Equity Index Funds." Harvard Business School Case 293-024, November 1992. (Revised December 1994.)
- February 1994 (Revised July 2008)
- Case
Banc One Corporation: Asset and Liability Management
By: Benjamin C. Esty, Peter Tufano and Jon Headley
Banc One's share price has been falling recently due to analyst and investor concern over the bank's heavy use of interest rate derivatives. Dick Lodge, chief investment officer in charge of the bank's investment and derivative portfolio, must recommend to the CEO a... View Details
Keywords: Credit Derivatives and Swaps; Financial Management; Interest Rates; Investment Portfolio; Governance Controls; Risk Management; Banking Industry
Esty, Benjamin C., Peter Tufano, and Jon Headley. "Banc One Corporation: Asset and Liability Management." Harvard Business School Case 294-079, February 1994. (Revised July 2008.)
- 2020
- Working Paper
Design and Analysis of Switchback Experiments
By: Iavor I Bojinov, David Simchi-Levi and Jinglong Zhao
In switchback experiments, a firm sequentially exposes an experimental unit to a random treatment, measures its response, and repeats the procedure for several periods to determine which treatment leads to the best outcome. Although practitioners have widely adopted... View Details
Bojinov, Iavor I., David Simchi-Levi, and Jinglong Zhao. "Design and Analysis of Switchback Experiments." Harvard Business School Working Paper, No. 21-034, September 2020.
- December 1995 (Revised February 1997)
- Case
Student Educational Loan Fund, Inc.
By: Peter Tufano
Rick Melnick oversees the Student Educational Loan Fund (SELF), which provides loans to Harvard Business School students. SELF is changing the terms of student loans from variable-rate with semiannual payments to fixed-rate loans with equal monthly payments. Melnick... View Details
Tufano, Peter, and Cameron Poetzscher. "Student Educational Loan Fund, Inc." Harvard Business School Case 296-046, December 1995. (Revised February 1997.)
- January 2001 (Revised August 2003)
- Case
Student Educational Loan Fund, Inc. (Abridged)
By: Peter Tufano
Rick Melnick oversees the Student Educational Loan Fund (SELF), which provides loans to Harvard Business School students. SELF is changing the terms of student loans from variable-rate with semiannual payments to fixed-rate loans with equal monthly payments. Melnick... View Details
Keywords: Risk Management; Financing and Loans; Business Education; Interest Rates; Education Industry; Boston
Tufano, Peter, and Cameron Poetzscher. "Student Educational Loan Fund, Inc. (Abridged)." Harvard Business School Case 201-083, January 2001. (Revised August 2003.)
- January 2022 (Revised August 2022)
- Case
Geely SEA: New Electric Vehicle Platforms
By: Willy C. Shih and Shu Lin
Kent Bovellan, the Chief Engineer and Head of the Vehicle Architecture Center for Geely Holding, the Hangzhou, China headquartered global automotive group, was debating the platform choice for an upcoming "D" segment midsized battery electric vehicle (BEV). He had led... View Details
Keywords: Product Innovation; Product Architecture; Product Engineering; Platform Design; Platform Strategy; Information Infrastructure; Digital Platforms; Information Technology; Product Design; Product Development; Cost Management; Decision Making; Competitive Strategy; Industry Structures; Auto Industry; China; Sweden
Shih, Willy C., and Shu Lin. "Geely SEA: New Electric Vehicle Platforms." Harvard Business School Case 622-001, January 2022. (Revised August 2022.)
- July 2023
- Article
Design and Analysis of Switchback Experiments
By: Iavor I Bojinov, David Simchi-Levi and Jinglong Zhao
In switchback experiments, a firm sequentially exposes an experimental unit to a random treatment, measures its response, and repeats the procedure for several periods to determine which treatment leads to the best outcome. Although practitioners have widely adopted... View Details
Bojinov, Iavor I., David Simchi-Levi, and Jinglong Zhao. "Design and Analysis of Switchback Experiments." Management Science 69, no. 7 (July 2023): 3759–3777.
- Research Summary
Hedging Asian Options: Closed-Form Solutions Using the Malliavin Calculus
Hedging path-dependent options requires non-standard tools because the price processes no longer have smooth stochastic differentials. I show how the Malliavin calculus can be used to overcome the specific difficulties introduced by the averaging behavior of... View Details
- 2024
- Article
Neyman Meets Causal Machine Learning: Experimental Evaluation of Individualized Treatment Rules
By: Michael Lingzhi Li and Kosuke Imai
A century ago, Neyman showed how to evaluate the efficacy of treatment using a randomized experiment under a minimal set of assumptions. This classical repeated sampling framework serves as a basis of routine experimental analyses conducted by today’s scientists across... View Details
Li, Michael Lingzhi, and Kosuke Imai. "Neyman Meets Causal Machine Learning: Experimental Evaluation of Individualized Treatment Rules." Journal of Causal Inference 12, no. 1 (2024).
- 2022
- Working Paper
Product2Vec: Leveraging Representation Learning to Model Consumer Product Choice in Large Assortments
By: Fanglin Chen, Xiao Liu, Davide Proserpio and Isamar Troncoso
We propose a method, Product2Vec, based on representation learning, that can automatically learn latent product attributes that drive consumer choices, to study product-level competition when the number of products is large. We demonstrate Product2Vec’s... View Details
Chen, Fanglin, Xiao Liu, Davide Proserpio, and Isamar Troncoso. "Product2Vec: Leveraging Representation Learning to Model Consumer Product Choice in Large Assortments." NYU Stern School of Business Research Paper Series, July 2022.
- January 2016 (Revised November 2019)
- Case
Blackstone at Age 30
By: Josh Lerner, John D. Dionne and Amram Migdal
Since its IPO in 2007 and following the global financial crisis, Blackstone largely outpaced its alternative investment firm peers in assets under management, new business launches, profitability, and market capitalization. Under the leadership of Stephen A.... View Details
Keywords: Business Growth and Maturation; Asset Management; Private Equity; Financial Services Industry; New York (city, NY)
Lerner, Josh, John D. Dionne, and Amram Migdal. "Blackstone at Age 30." Harvard Business School Case 816-013, January 2016. (Revised November 2019.)
- February 2014
- Article
Toward a Model of Work Redesign for Better Work and Better Life
By: Leslie A. Perlow and Erin L. Kelly
Flexible work accommodations provided by employers purport to help individuals struggling to manage work and family demands. The underlying model for change is accommodation—helping individuals accommodate their work demands with no changes in the structure of work or... View Details
Perlow, Leslie A., and Erin L. Kelly. "Toward a Model of Work Redesign for Better Work and Better Life." Work and Occupations 41, no. 1 (February 2014): 111–134.
- Research Summary
Optimal Heteroskedasticity Autocorrelation Consistent Covariance Estimators for GMM Weighting Matrices
This paper considers the optimal bias-variance tradeoff for estimators of the long run covariance matrix used to generate GMM weighting matrices in time series contexts. Minimum MSE HAC estimators do not yield minimum MSE GMM estimators. Instead, achieving... View Details
- May 2020
- Article
Inventory Auditing and Replenishment Using Point-of-Sales Data
By: Achal Bassamboo, Antonio Moreno and Ioannis Stamatopoulos
Spoilage, expiration, damage due to employee/customer handling, employee theft, and customer shoplifting usually are not reflected in inventory records. As a result, records often report phantom inventory, i.e., units of good not available for sale. We derive an... View Details
Keywords: Shelf Availability; Inventory Record Inaccuracy; Optimal Replenishment; Retail Analytics; Performance Effectiveness; Analysis; Mathematical Methods
Bassamboo, Achal, Antonio Moreno, and Ioannis Stamatopoulos. "Inventory Auditing and Replenishment Using Point-of-Sales Data." Production and Operations Management 29, no. 5 (May 2020): 1219–1231.
- August 2005 (Revised April 2014)
- Teaching Note
Innocents Abroad: Currencies and International Stock Returns
By: Mihir A. Desai, Kathleen Luchs, Elizabeth A. Meyer and Mark Veblen
What do international stocks contribute to the portfolio of a U.S. investor? How do currencies interact with stock price movements in determining the benefits of international diversification? This case helps students compare the risks and returns of foreign stock... View Details
Keywords: Diversification; International CAPM; CAPM; Home Bias; Currency Risk; Exchange Rate Risk; International Stock Market Returns; Financial Services Industry; United States; Currency Exchange Rate; Stocks; Financial Markets; International Finance; Investment Return; Currency; Risk and Uncertainty; Emerging Markets; Investment Portfolio; United States; Australia; Canada; China; Germany; India; Japan; United Kingdom
- 2014
- Working Paper
Non-Adherence in Health Care: A Positive and Normative Analysis
By: Mark Egan and Tomas J. Philipson
Non-adherence in health care results when a patient does not initiate or continue care that a provider has recommended. Previous research identifies non-adherence as a major source of waste in US health care, totaling approximately 2.3% of GDP, and have proposed a... View Details
Egan, Mark, and Tomas J. Philipson. "Non-Adherence in Health Care: A Positive and Normative Analysis." NBER Working Paper Series, No. 20330, July 2014. (Previously titled, "Health Care Adherence and Personalized Medicine.")