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- Faculty Publications (324)
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- All HBS Web (1,010)
- Faculty Publications (324)
- 2021
- Working Paper
Recovering Investor Expectations from Demand for Index Funds
By: Mark Egan, Alexander J. MacKay and Hanbin Yang
We use a revealed-preference approach to estimate investor expectations of stock market returns. Using data on demand for index funds that follow the S&P 500, we develop and estimate a model of investor choice to flexibly recover the time-varying distribution of... View Details
Keywords: Stock Market Expectations; Demand Estimation; Exchange-traded Funds (ETFs); Demand and Consumers; Investment; United States
Egan, Mark, Alexander J. MacKay, and Hanbin Yang. "Recovering Investor Expectations from Demand for Index Funds." NBER Working Paper Series, No. 26608, January 2020. (Accepted at the Review of Economic Studies. Harvard Business School Working Paper, No. 20-122, May 2020. Direct download. Revised July 2021.)
- October 2009 (Revised April 2010)
- Supplement
Societe Generale (B): The Jerome Kerviel Affair
By: Francois Brochet
This case illustrates the tension/balance that firms with complex and risky business models must consider in designing their internal controls. It describes the environment in which a derivatives trader engaged in massive directional positions on major European stocks... View Details
Brochet, Francois. "Societe Generale (B): The Jerome Kerviel Affair." Harvard Business School Supplement 110-030, October 2009. (Revised April 2010.)
- 2024
- Working Paper
Advancing Personalization: How to Experiment, Learn & Optimize
By: Aurelie Lemmens, Jason M.T. Roos, Sebastian Gabel, Eva Ascarza, Hernan Bruno, Elea McDonnell Feit, Brett Gordon, Ayelet Israeli, Carl F. Mela and Oded Netzer
Personalization has become the heartbeat of modern marketing. Advances in causal inference and machine learning enable companies to understand how the same marketing action can impact the choices of individual customers differently. This article provides an academic... View Details
Keywords: Personalization; Targeting; Experiments; Observational Studies; Policy Implementation; Policy Evaluation; Customization and Personalization; Marketing Strategy; AI and Machine Learning
Lemmens, Aurelie, Jason M.T. Roos, Sebastian Gabel, Eva Ascarza, Hernan Bruno, Elea McDonnell Feit, Brett Gordon, Ayelet Israeli, Carl F. Mela, and Oded Netzer. "Advancing Personalization: How to Experiment, Learn & Optimize." Working Paper, July 2024. (Revised March 2025.)
- Research Summary
Internalizing Global Value Chains: A Firm-Level Analysis
By: Laura Alfaro
In recent decades, advances in information and communication technology and falling trade barriers have led firms to retain within their boundaries and in their domestic economies only a subset of their production stages. A key decision facing firms worldwide is the... View Details
- April 2019
- Article
Internalizing Global Value Chains: A Firm-Level Analysis
By: Laura Alfaro, Pol Antràs, Davin Chor and Paola Conconi
In recent decades, advances in information and communication technology and falling trade barriers have led firms to retain within their boundaries and in their domestic economies only a subset of their production stages. A key decision facing firms worldwide is the... View Details
Keywords: Global Value Chains; Sequential Production; Incomplete Contracts; Demand and Consumers; Customer Value and Value Chain; Globalization
Alfaro, Laura, Pol Antràs, Davin Chor, and Paola Conconi. "Internalizing Global Value Chains: A Firm-Level Analysis." Journal of Political Economy 127, no. 2 (April 2019): 508–559. (See Online Appendix. Replications files available here. Also NBER Working Paper 21582.)
- 2017
- Working Paper
Internalizing Global Value Chains: A Firm-Level Analysis
By: Laura Alfaro, Pol Antràs, Davin Chor and Paola Conconi
In recent decades, advances in information and communication technology and falling trade barriers have led firms to retain within their boundaries and in their domestic economies only a subset of their production stages. A key decision facing firms worldwide is the... View Details
Keywords: Global Value Chains; Sequential Production; Incomplete Contracts; Demand and Consumers; Customer Value and Value Chain; Globalization
Alfaro, Laura, Pol Antràs, Davin Chor, and Paola Conconi. "Internalizing Global Value Chains: A Firm-Level Analysis." Harvard Business School Working Paper, No. 16-028, September 2015. (Updated October 2017. See Online Appendix. Also NBER Working Paper 21582. Forthcoming in the Journal of Political Economy.)
- 16 May 2017
- First Look
First Look at New Ideas and Research, May 16
process does not push the firms to make increasingly convergent output choices, but rather causes those choices to diverge slowly. Finally, we identify situations where the firm with the less accurate mental View Details
Keywords: Re: Multiple Faculty
- October 1, 2021
- Article
An Evaluation of Cross-efficiency Methods: With an Application to Warehouse Performance.
By: B.M. Balk, M.R. De Koster, Christian Kaps and J.L. Zofio
Cross-efficiency measurement is an extension of Data Envelopment Analysis that allows for tie-breaking ranking of the Decision Making Units (DMUs) using all the peer evaluations. In this article we examine the theory of cross-efficiency measurement by comparing a... View Details
Keywords: Efficiency Analysis; Performance Benchmarking; Warehousing; Analytics and Data Science; Performance Evaluation; Measurement and Metrics; Mathematical Methods
Balk, B.M., M.R. De Koster, Christian Kaps, and J.L. Zofio. "An Evaluation of Cross-efficiency Methods: With an Application to Warehouse Performance." Art. 126261. Applied Mathematics and Computation 406 (October 1, 2021).
- February 2004
- Case
Note on Human Behavior: Reason and Emotion
By: Nitin Nohria and Bridget Gurtler
Human beings are driven by reasons and emotions. On the one hand, as rational choice theorists assert, human beings are resourceful and evaluative as they strive to maximize their own interests. An individual's interests can converge or diverge from the interests of... View Details
Keywords: Behavior; Cognition and Thinking; Emotions; Interests; Organizations; Organizational Design; Governing Rules, Regulations, and Reforms
Nohria, Nitin, and Bridget Gurtler. "Note on Human Behavior: Reason and Emotion." Harvard Business School Case 404-104, February 2004.
- 11 Jan 2010
- Research & Ideas
Mixing Open Source and Proprietary Software Strategies
Adopting a new business model can be a strategic, game-changing play in any industry. But knowing when and how to try something new can be tricky, particularly in the constantly evolving software industry. The open source (OS) movement is... View Details
- March 2020
- Case
Forbidden City: Launching a Craft Beer in China
By: Christopher A. Bartlett and Carole Carlson
This case describes a difficult choice faced by Victor Wang, Managing Director of Singapore-based Eurasian Brewing Company (EBC), concerning the competing product launch plans of Le Jie, Vice President of EBC's China and East Asian operations, and Vivian Chin, EBC's... View Details
Keywords: Subsidiary Management; Craft Brewing; Strategy; Decision Making; Organizational Structure; Business Model; Growth and Development Strategy; Entrepreneurship; Management Style; Food and Beverage Industry; China; East Asia
Bartlett, Christopher A., and Carole Carlson. "Forbidden City: Launching a Craft Beer in China." Harvard Business School Brief Case 920-559, March 2020.
- 10 Dec 2014
- Working Paper Summaries
Multi-sided Platforms
- 30 Jan 2014
- Working Paper Summaries
Modularity and Intellectual Property Protection
Keywords: by Carliss Y. Baldwin & Joachim Henkel
- March 2010 (Revised May 2012)
- Case
Myelin Repair Foundation: Accelerating Drug Discovery Through Collaboration
By: Karim R. Lakhani and Paul R. Carlile
This case presents the Myelin Repair Foundation's accelerated research collaboration model for drug discovery. It highlights the challenges of building a multi-disciplinary and multi-institutional research collaboration that is attempting to create a treatment for... View Details
Keywords: Research and Development; Intellectual Property; Risk and Uncertainty; Strategic Planning; Collaborative Innovation and Invention; Health Disorders; Pharmaceutical Industry; Biotechnology Industry; Health Industry
Lakhani, Karim R., and Paul R. Carlile. "Myelin Repair Foundation: Accelerating Drug Discovery Through Collaboration." Harvard Business School Case 610-074, March 2010. (Revised May 2012.)
- 2019
- Working Paper
Breaking and Reconfiguring the Boundaries Between Domain Experts and Crowds to Solve Complex R&D Problems through Partial Decomposition
By: Hila Lifshitz - Assaf and Zoe Szajnfarber
The need for domain experts is all but universally assumed when organizing for scientific and technological innovation. In contrast, we are witnessing a burgeoning of citizen science, crowdsourcing, and other “open” methods based on the opposite assumption that crowds... View Details
- June 2019
- Article
Social Risk, Fiscal Risk, and the Portfolio of Government Programs
We develop a model of government portfolio choice in which a benevolent government chooses the scale of risky projects in the presence of market failures and tax distortions. These two frictions generate motives to manage social risk and fiscal risk. Social risk... View Details
Hanson, Samuel G., David S. Scharfstein, and Adi Sunderam. "Social Risk, Fiscal Risk, and the Portfolio of Government Programs." Review of Financial Studies 32, no. 6 (June 2019): 2341–2382. (Internet Appendix Here.)
- 2018
- Working Paper
Opportunistic Returns and Dynamic Pricing: Empirical Evidence from Online Retailing in Emerging Markets
By: Chaithanya Bandi, Antonio Moreno, Donald Ngwe and Zhiji Xu
We investigate how dynamic pricing can lead to more product returns in the online retail industry. Using detailed sales data of more than two million transactions from the Indian online retail market, where price promotions are very common, we document two types of... View Details
Keywords: Cash On Delivery; Dynamic Pricing; Online Retail; Payment Methods; Strategic Customer Behavior; Opportunistic Returns; Price; Policy; Consumer Behavior; Emerging Markets; Retail Industry
Bandi, Chaithanya, Antonio Moreno, Donald Ngwe, and Zhiji Xu. "Opportunistic Returns and Dynamic Pricing: Empirical Evidence from Online Retailing in Emerging Markets." Harvard Business School Working Paper, No. 19-030, September 2018.
- winter 2003
- Article
Massively Categorical Variables: Revealing the Information in Zip Codes
We introduce the idea of a massively categorical variable, a variable such as zip code that takes on too many values to be treated in the standard manner, and show how to use it directly as explanatory variables in an econometric model. In an application of this... View Details
Steenburgh, Thomas J., Andrew Ainslie, and Peder Hans Engebretson. "Massively Categorical Variables: Revealing the Information in Zip Codes." Marketing Science 22, no. 1 (winter 2003): 40–57.
- 2012
- Book
Uncommon Service: How to Win by Putting Customers at the Core of Your Business
By: Frances Frei and Anne Morriss
Most companies treat service as a low-priority business operation, keeping it out of the spotlight until a customer complains. Then service gets to make a brief appearance—for as long as it takes to calm the customer down and fix whatever foul-up jeopardized the... View Details
Frei, Frances, and Anne Morriss. Uncommon Service: How to Win by Putting Customers at the Core of Your Business. Cambridge: Harvard Business Review Press, 2012.
- 2024
- Working Paper
Voting Rules, Turnout, and Economic Policies
By: Enrico Cantoni, Vincent Pons and Jérôme Schäfer
In recent years, voter ID laws and convenience voting have generated heated partisan debates. To shed light on these policy issues, we survey the recent evidence on the institutional determinants and effects of voter turnout and broaden the perspective beyond the most... View Details
Cantoni, Enrico, Vincent Pons, and Jérôme Schäfer. "Voting Rules, Turnout, and Economic Policies." NBER Working Paper Series, No. 32941, September 2024.