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(1,093)
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- Faculty Publications (371)
Show Results For
- All HBS Web
(1,093)
- People (1)
- News (169)
- Research (616)
- Events (17)
- Multimedia (5)
- Faculty Publications (371)
- April–June 2022
- Other Article
Commentary on 'Causal Decision Making and Causal Effect Estimation Are Not the Same... and Why It Matters'
There has been a substantial discussion in various methodological and applied literatures around causal inference; especially in the use of machine learning and statistical models to understand heterogeneity in treatment effects and to make optimal decision... View Details
Keywords: Causal Inference; Treatment Effect Estimation; Treatment Assignment Policy; Human-in-the-loop; Decision Making; Fairness
McFowland III, Edward. "Commentary on 'Causal Decision Making and Causal Effect Estimation Are Not the Same... and Why It Matters'." INFORMS Journal on Data Science 1, no. 1 (April–June 2022): 21–22.
- January 2008
- Background Note
Equity Options
By: Joshua Coval and Erik Stafford
The goal of this simulation is to understand the reliance of option values on volatility. When an investor trades an option, they are essentially trading volatility. Therefore, much of the focus in this lesson is on forecasting volatility. Students are able to use two... View Details
Keywords: Volatility; Forecasting and Prediction; Stock Options; Investment Return; Price; Market Transactions; Mathematical Methods; Value
Coval, Joshua, and Erik Stafford. "Equity Options." Harvard Business School Background Note 208-118, January 2008.
- November 1976
- Article
Partial Equilibrium Approach to the Free-Rider Problem
By: Jerry R. Green, Elon Kohlberg and Jean-Jacques Laffont
Groves and others have shown that truthful answers concerning preferences for public goods can be elicited as dominant strategies if appropriate tax-subsidies rules are applied. This paper studies the statistical properties of the total revenues generated by one of the... View Details
Keywords: Problems and Challenges
Green, Jerry R., Elon Kohlberg, and Jean-Jacques Laffont. "Partial Equilibrium Approach to the Free-Rider Problem." Journal of Public Economics 6, no. 4 (November 1976): 375–394.
- 16 Dec 2013
- News
The Way of The Blockbuster
- 2021
- Working Paper
The Luck of the Draw: The Causal Effect of Physicians on Birth Outcomes
By: Arlen Guarin, Christian Posso, Estefania Saravia and Jorge Tamayo
Identifying the effect of physicians’ skills on health outcomes is a challenging task due to the nonrandom sorting between physicians and hospitals. We overcome this challenge by exploiting a Colombian government program that randomly assigned 2,126 physicians to 618... View Details
Keywords: Physicians' Health Skills; Health Birth Outcomes; Birthing Outcomes; Experimental Evidence; Health Care and Treatment; Competency and Skills; Outcome or Result; Health Industry; Colombia
Guarin, Arlen, Christian Posso, Estefania Saravia, and Jorge Tamayo. "The Luck of the Draw: The Causal Effect of Physicians on Birth Outcomes." Harvard Business School Working Paper, No. 22-015, February 2021. (R&R American Economic Journal.)
- July 2001
- Case
Bobbie D'Alessandro and the Redesign of the Cambridge Rindge and Latin School
By: Linda A. Hill, Kristin Doughty and Ellen Pruyne
Bobbi D'Alessandro, the superintendent of the school system in Cambridge, MA, has just hired a new principal to lead a major redesign effort in the city's only high school. The need for reform had been evident since the late 1980s when school statistics highlighted... View Details
Keywords: Problems and Challenges; Business and Stakeholder Relations; Performance Improvement; Change Management; Secondary Education; Selection and Staffing; Leading Change; Education Industry; Cambridge
Hill, Linda A., Kristin Doughty, and Ellen Pruyne. "Bobbie D'Alessandro and the Redesign of the Cambridge Rindge and Latin School." Harvard Business School Case 402-002, July 2001.
- 21 Jun 2012
- Working Paper Summaries
Information Technology and Boundary of the Firm: Evidence from Plant-Level Data
Keywords: by Chris Forman & Kristina McElheran
- 05 Jul 2006
- Working Paper Summaries
Failing to Learn and Learning to Fail (Intelligently): How Great Organizations Put Failure to Work to Improve and Innovate
Keywords: by Mark D. Cannon & Amy C. Edmondson
- 2024
- Working Paper
The Effects of Medical Debt Relief: Evidence from Two Randomized Experiments
By: Raymond Kluender, Neale Mahoney, Francis Wong and Wesley Yin
Two in five Americans have medical debt, nearly half of whom owe at least $2,500. Concerned by this burden, governments and private donors have undertaken large, high-profile efforts to relieve medical debt. We partnered with RIP Medical Debt to conduct two randomized... View Details
Kluender, Raymond, Neale Mahoney, Francis Wong, and Wesley Yin. "The Effects of Medical Debt Relief: Evidence from Two Randomized Experiments." NBER Working Paper Series, No. 32315, April 2024.
- October 2015
- Article
After the Arab Spring: Are Secular Parties the Answer?
By: Mieczysław Boduszyński, Kristin Fabbe and Christopher Lamont
After the "Arab Spring" and the initial democratic reforms in Turkey under the Justice and Development Party (AKP), why has democratic progress remained so elusive in the Middle East and North Africa (MENA)? In recent years, that question has preoccupied numerous... View Details
Keywords: Religion; Government and Politics; Business and Government Relations; North Africa; Egypt; Middle East; Turkey
Boduszyński, Mieczysław, Kristin Fabbe, and Christopher Lamont. "After the Arab Spring: Are Secular Parties the Answer?" Journal of Democracy 26, no. 4 (October 2015): 125–139.
- Article
Small Worlds and Regional Innovation
Small-world networks have attracted much theoretical attention and are widely thought to enhance creativity. Yet empirical studies of their evolution and evidence of their benefits remain scarce. We develop and exploit a novel database on patent coauthorship to... View Details
Keywords: Geographic Location; Collaborative Innovation and Invention; Patents; Performance Productivity; Creativity; Social and Collaborative Networks
Fleming, Lee, Charles King III, and Adam Juda. "Small Worlds and Regional Innovation." Organization Science 18, no. 6 (November–December 2007).
- July 2019
- Article
Evaluation of Economic and Clinical Outcomes Under Centers for Medicare & Medicaid Services Mandatory Bundled Payments for Joint Replacements
By: Derek A. Haas, Xiaoran Zhang, Robert S. Kaplan and Zirui Song
In 2016, the Centers for Medicare & Medicaid Services (CMS) launched its first mandatory bundled payment program, the Comprehensive Care for Joint Replacement (CJR) model, by randomizing metropolitan statistical areas (MSAs) into the payment model. The paper analyzed... View Details
Keywords: Medicare; Medicaid; Bundled Payments; Health Care and Treatment; Cost Management; Performance Evaluation; Outcome or Result
Haas, Derek A., Xiaoran Zhang, Robert S. Kaplan, and Zirui Song. "Evaluation of Economic and Clinical Outcomes Under Centers for Medicare & Medicaid Services Mandatory Bundled Payments for Joint Replacements." JAMA Internal Medicine 179, no. 7 (July 2019): 924–931.
- Research Summary
Regulatory negotiations and risk communication
In the pharmaceutical industry a drugs benefits and risks are constantly being weighed by companies, regulators, physicians and drug consumers. While companies and regulators must make decisions based on population statistics about drug outcomes, physicians and drug... View Details
- Fall 2012
- Article
Climate Science as Culture War
By: Andrew J. Hoffman
Today, there is no doubt that a scientific consensus exists on the issue of climate change. Scientists have documented that anthropogenic sources of greenhouse gases are leading to a buildup in the atmosphere, which leads to a general warming of the global climate and... View Details
Hoffman, Andrew J. "Climate Science as Culture War." Stanford Social Innovation Review 10, no. 4 (Fall 2012): 30–37. (Winner of the 2013 Maggie Climate science as culture war Award, Best Feature Article in a Trade Journal.)
- July 2017
- Article
What Do Measures of Real-Time Corporate Sales Tell Us About Earnings Surprises and Post-announcement Returns?
By: Kenneth A. Froot, Namho Kang, Gideon Ozik and Ronnie Sadka
We develop real-time proxies of retail corporate sales from multiple sources, including approximately 50 million mobile devices. These measures contain information from both the earnings quarter (within quarter) and the period between that quarter's end and the... View Details
Froot, Kenneth A., Namho Kang, Gideon Ozik, and Ronnie Sadka. "What Do Measures of Real-Time Corporate Sales Tell Us About Earnings Surprises and Post-announcement Returns?" Journal of Financial Economics 125, no. 1 (July 2017): 143–162. (Revised from NBER Working Paper No. 22366, June 2016, Harvard Business School Working Paper No. 16-123, April 2016.)
- September 1991 (Revised August 1994)
- Background Note
Note on Pharmaceutical Industry Regulation
Traces the evolution of U.S. regulatory policy towards the pharmaceutical industry over the course of the twentieth century. A major theme is the steady shift away from a policy of 'let the buyer beware' to the creation of a complex and time-consuming review process,... View Details
Keywords: Safety; Industry Growth; Marketing; Research and Development; Health Testing and Trials; Economics; Pharmaceutical Industry; United States
Emmons, Willis M., III. "Note on Pharmaceutical Industry Regulation." Harvard Business School Background Note 792-002, September 1991. (Revised August 1994.)
- Research Summary
Overview
By: Iavor I. Bojinov
Over the last decade, technology companies like Amazon, Google, and Netflix have pioneered data-driven research and development processes centered on massive experimentation. However, as companies increase the breadth and scale of their experiments to millions of... View Details
- 2000
- Other Unpublished Work
Do Executive Stock Options Encourage Risk-Taking?
Executive stock options create incentives for executives to manage firms in ways that maximize firm market value. Since options increase in value with the volatility of the underlying stock, executive stock options provide managers with incentives to take actions that... View Details
Cohen, Randolph B., Brian J. Hall, and Luis M. Viceira. "Do Executive Stock Options Encourage Risk-Taking?" 2000.
- April, 2023
- Article
Reducing Information Barriers to Solar Adoption: Experimental Evidence from India
By: Meera Mahadevan, Robyn C. Meeks and Takashi Yamano
Off-grid solar technologies hold promise for unelectrified and low-quality electricity settings; however, their adoption remains low. Important barriers to adoption, such as incomplete information remain relatively unexplored in developing countries. In collaboration... View Details
Keywords: Technology Adoption; Renewable Energy; Knowledge Sharing; Developing Countries and Economies; India
Mahadevan, Meera, Robyn C. Meeks, and Takashi Yamano. "Reducing Information Barriers to Solar Adoption: Experimental Evidence from India." Energy Economics 120 (April, 2023).
- 2015
- Working Paper
Selling to a Moving Target: Dynamic Marketing Effects in US Presidential Elections
By: Doug J. Chung and Lingling Zhang
We examine the effects of various political campaign activities on voter preferences in the domain of US Presidential elections. We construct a comprehensive data set that covers the three most recent elections, with detailed records of voter preferences at the... View Details
Keywords: Multi-channel Marketing; Personal Selling; Advertising; Political Campaigns; Dynamic Panel Data; Instrumental Variables; Marketing Communications; Political Elections; Advertising Campaigns; United States
Chung, Doug J., and Lingling Zhang. "Selling to a Moving Target: Dynamic Marketing Effects in US Presidential Elections." Harvard Business School Working Paper, No. 15-095, June 2015. (Revised December 2015.)