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- Faculty Publications (318)
Show Results For
- All HBS Web (1,001)
- Faculty Publications (318)
- May 2000
- Article
Maxmin Expected Utility over Savage Acts with a Set of Priors
By: Ramon Casadesus-Masanell, Peter Klibanoff and Emre Ozdenoren
This paper provides an axiomatic foundation for a maxmin expected utility over a set of priors (MMEU) decision rule in an environment where the elements of choice are Savage acts. This characterization complements the original axiomatizations of MMEU developed in a... View Details
Keywords: Uncertainty Aversion; Ambiguity; Expected Utility; Set Of Priors; Knightian Uncertainty; Decision Making; Game Theory; Risk and Uncertainty; Mathematical Methods
Casadesus-Masanell, Ramon, Peter Klibanoff, and Emre Ozdenoren. "Maxmin Expected Utility over Savage Acts with a Set of Priors." Journal of Economic Theory 92, no. 1 (May 2000): 35–65.
- June 2014 (Revised April 2015)
- Case
OrthoChoice: Bundled Payments in the County of Stockholm (A)
By: Michael E. Porter, Clifford M. Marks and Zachary C. Landman
It was the waiting that drew the attention of the Stockholm County Council. In 2008, patients seeking a hip or knee replacement in Stockholm County faced wait times of up to two years of sometimes debilitating pain, intermittent missed work and income, and the trials... View Details
Keywords: Bundled Payment; Health Care Quality; Health Care; Sweden; Hip Replacement; Knee Replacement; Orthopedics; Health Care and Treatment; Health Disorders; Health; Health Industry; Sweden
Porter, Michael E., Clifford M. Marks, and Zachary C. Landman. "OrthoChoice: Bundled Payments in the County of Stockholm (A)." Harvard Business School Case 714-514, June 2014. (Revised April 2015.)
Government and Markets: Toward a New Theory of Regulation
As the financial crisis has shown, neither traditional market failure models nor public choice theory, by themselves, sufficiently inform or explain our current regulatory challenges, nor point us toward the best solutions. Regulatory studies, long neglected in an... View Details
- 24 Aug 2012
- Working Paper Summaries
Equalizing Outcomes vs. Equalizing Opportunities: Optimal Taxation when Children’s Abilities Depend on Parents’ Resources
Keywords: by Alexander Gelber & Matthew Weinzierl
- April 2017
- Case
Imprimis (A)
By: Ramon Casadesus-Masanell, Karen Elterman and Marc Appel
This case examines the strategic choices and evolving business model of Imprimis Pharmaceuticals from the perspective of CEO Mark Baum. The (A) case provides a brief history of the company and of the compounding business, outlining the challenges faced by Imprimis in... View Details
Keywords: Strategy; Healthcare; Drug Compounding; Pharmaceuticals; Compounding; Drug Development; Decision-making; Mark Baum; Imprimis; Small Business; Decisions; Cost vs Benefits; Business Strategy; Business Model; Decision Choices and Conditions; Pharmaceutical Industry; United States
Casadesus-Masanell, Ramon, Karen Elterman, and Marc Appel. "Imprimis (A)." Harvard Business School Case 717-426, April 2017.
- August 2009 (Revised July 2010)
- Case
Jones Lang LaSalle: Reorganizing around the Customer (2005)
By: Ranjay Gulati and Lucia Menzer Marshall
Peter Roberts, CEO of Jones, Lang, LaSalle (JLL) Americas division, has been charged with expanding the company's presence in its core geographic markets while simultaneously growing its corporate account business. Roberts and his task force have narrowed their options... View Details
Keywords: Decision Choices and Conditions; Global Strategy; Growth and Development Strategy; Organizational Structure; Business Strategy; Real Estate Industry
Gulati, Ranjay, and Lucia Menzer Marshall. "Jones Lang LaSalle: Reorganizing around the Customer (2005)." Harvard Business School Case 410-007, August 2009. (Revised July 2010.)
- 2021
- Article
Fair Algorithms for Infinite and Contextual Bandits
By: Matthew Joseph, Michael J Kearns, Jamie Morgenstern, Seth Neel and Aaron Leon Roth
We study fairness in linear bandit problems. Starting from the notion of meritocratic fairness introduced in Joseph et al. [2016], we carry out a more refined analysis of a more general problem, achieving better performance guarantees with fewer modelling assumptions... View Details
Joseph, Matthew, Michael J Kearns, Jamie Morgenstern, Seth Neel, and Aaron Leon Roth. "Fair Algorithms for Infinite and Contextual Bandits." Proceedings of the AAAI/ACM Conference on Artificial Intelligence, Ethics, and Society 4th (2021).
- March–April 2023
- Article
Market Segmentation Trees
By: Ali Aouad, Adam Elmachtoub, Kris J. Ferreira and Ryan McNellis
Problem definition: We seek to provide an interpretable framework for segmenting users in a population for personalized decision making. Methodology/results: We propose a general methodology, market segmentation trees (MSTs), for learning market... View Details
Keywords: Decision Trees; Computational Advertising; Market Segmentation; Analytics and Data Science; E-commerce; Consumer Behavior; Marketplace Matching; Marketing Channels; Digital Marketing
Aouad, Ali, Adam Elmachtoub, Kris J. Ferreira, and Ryan McNellis. "Market Segmentation Trees." Manufacturing & Service Operations Management 25, no. 2 (March–April 2023): 648–667.
- March 2008 (Revised June 2009)
- Case
Actis: January 2008
By: Felda Hardymon, Josh Lerner and Ann Leamon
Paul Feltcher, the CEO of Actis, a leading private equity investor in emerging markets, is preparing for an executive retreat at which the management team will consider how best to position the firm for the future. Actis could move in a number of different directions... View Details
Keywords: Business Model; Private Equity; Investment; Growth and Development Strategy; Management Teams; Emerging Markets; Organizational Change and Adaptation
Hardymon, Felda, Josh Lerner, and Ann Leamon. "Actis: January 2008." Harvard Business School Case 808-130, March 2008. (Revised June 2009.)
- September 2018 (Revised January 2019)
- Case
Sobha Group Real Estate: Backward Integration for Quality
By: John Macomber and Alpana Thapar
From humble beginnings in Kerala, India, Mr. PNC Menon built a reputation for quality, detail, and trustworthiness, earning him major construction commissions in the Gulf region. This paved the way for venturing into real estate development in Dubai, UAE. Striving to... View Details
Keywords: Real Estate; Backward Integration; Land Acquisition; Raising Capital; Construction; Family Business; Decision Making; Joint Ventures; Quality; Real Estate Industry; Construction Industry; India; Middle East; Dubai
Macomber, John, and Alpana Thapar. "Sobha Group Real Estate: Backward Integration for Quality." Harvard Business School Case 219-034, September 2018. (Revised January 2019.)
- 23 Nov 2010
- Working Paper Summaries
Growth Through Heterogeneous Innovations
- January 2017 (Revised January 2019)
- Case
The Rise and Fall of Lehman Brothers
By: Stuart C. Gilson, Kristin Mugford and Sarah L. Abbott
With nearly $700 billion in assets, Lehman was the largest U.S. bankruptcy in history. In 2007, Lehman achieved record earnings of over $4 billion on revenues of $60 billion. By September 2008 the fourth largest investment bank in the world was bankrupt. How had a... View Details
Keywords: Bankruptcy; Financial Distress; Accounting Policies; Business Ethics; Financial Reporting; Volatility; Judgments; Financial Crisis; Insolvency and Bankruptcy; Financial Liquidity; Investment Banking; Financial Management; Financial Strategy; Corporate Accountability; Corporate Disclosure; Corporate Governance; Crisis Management; Risk Management; Failure; Business and Government Relations; Ethics; Banking Industry; New York (city, NY)
Gilson, Stuart C., Kristin Mugford, and Sarah L. Abbott. "The Rise and Fall of Lehman Brothers." Harvard Business School Case 217-041, January 2017. (Revised January 2019.)
- May 2018
- Article
The Economics of Patient-Centered Care
By: Guy David, Philip Saynisch and Aaron Smith-McLallen
The Patient-Centered Medical Home (PCMH) is a widely-implemented model for improving primary care, emphasizing care coordination, information technology, and process improvements. However, its treatment as an undifferentiated intervention in policy evaluation obscures... View Details
Keywords: Primary Care; Accreditation; Patient-centered Medical Home; Health Care and Treatment; Economics
David, Guy, Philip Saynisch, and Aaron Smith-McLallen. "The Economics of Patient-Centered Care." Journal of Health Economics 59 (May 2018): 60–77.
- February 2021
- Case
Digital Manufacturing at Amgen
By: Shane Greenstein, Kyle R. Myers and Sarah Mehta
This case discusses efforts made by biotechnology (biotech) company Amgen to introduce digital technologies into its manufacturing processes. Doing so is complicated by the fact that the process for manufacturing biologics—or therapeutics made from living cells—is... View Details
Keywords: Digital Technologies; Change; Change Management; Decision Making; Cost vs Benefits; Decisions; Information; Analytics and Data Science; Innovation and Invention; Innovation and Management; Innovation Leadership; Innovation Strategy; Technological Innovation; Jobs and Positions; Knowledge; Leadership; Organizational Culture; Science; Strategy; Information Technology; Technology Adoption; Biotechnology Industry; Pharmaceutical Industry; United States; California; Puerto Rico; Rhode Island
Greenstein, Shane, Kyle R. Myers, and Sarah Mehta. "Digital Manufacturing at Amgen." Harvard Business School Case 621-008, February 2021.
- 14 May 2009
- Working Paper Summaries
Quantity vs. Quality and Exclusion by Two-Sided Platforms
- November 2013 (Revised December 2013)
- Case
Endeavor: Miami Heats Up
By: William A. Sahlman, Ramana Nanda, David Lane and Lisa Mazzanti
Endeavor Global was a nonprofit that for 15 years had worked to nurture entrepreneurship in emerging markets by selecting local high-impact entrepreneurs for mentoring and aid in scaling up their businesses from committed local business leaders. In summer 2012,... View Details
Keywords: Social Enterprise; Entrepreneurs; Scaling; Emerging Market Entrepreneurship; Not For Profit; Entrepreneurial Finance; Mentoring; Business Networks; Hybrid Nonprofit Funding; Mission and Purpose; Nonprofit Organizations; Social Entrepreneurship; Emerging Markets; Problems and Challenges; Finance; Miami
Sahlman, William A., Ramana Nanda, David Lane, and Lisa Mazzanti. "Endeavor: Miami Heats Up." Harvard Business School Case 814-043, November 2013. (Revised December 2013.)
- Article
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
Egan, Mark, Alexander J. MacKay, and Hanbin Yang. "Recovering Investor Expectations from Demand for Index Funds." Review of Economic Studies 89, no. 5 (October 2022): 2559–2599.
- 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.)
- 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