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Show Results For
- All HBS Web
(3,190)
- People (1)
- News (902)
- Research (1,999)
- Events (7)
- Multimedia (36)
- Faculty Publications (943)
- April 3, 2016
- Guest Column
The Power of C.E.O. Activism: How Politically Outspoken Executives Sway Public (and Consumer) Opinion
By: Aaron K. Chatterji and Michael W. Toffel
Some CEOs are making news by taking public stances on controversial social issues largely unrelated to their core business. This article summarizes the insights from our research paper that shows that such "CEO activism" can influence public opinion and consumer... View Details
Keywords: Leadership & Corporate Accountability; Non-market Strategy; Corporate Social Responsibility; Politics; Political Influence; Political Strategy; Political Risk; Equity; Gender; Climate Change; Communication Strategy; Law; Leadership; Brands and Branding; Media; Problems and Challenges; Civil Society or Community; Social Issues; Public Opinion; United States; Georgia (state, US); North Carolina; Indiana; Indianapolis
Chatterji, Aaron K., and Michael W. Toffel. "The Power of C.E.O. Activism: How Politically Outspoken Executives Sway Public (and Consumer) Opinion." Grey Matter. New York Times (April 3, 2016), SR10.
- 11 Mar 2014
- Other Presentation
The Looming Challenge of U.S. Competitiveness
Professor Porter evaluated US competitiveness and its implications for Philadelphia. Host Dr. Mercedes Delgado, Assistant Professor of Strategic Management within the Fox School of Business, is a co-researcher on Professor Porter's work on innovation clusters and... View Details
Keywords: Competitiveness; U.S. Competitiveness; Competition; Development Economics; Industry Clusters; Innovation and Invention; Philadelphia; United States
Porter, Michael E. "The Looming Challenge of U.S. Competitiveness." Innovation Leadership Speaker Series, Temple University, Fox School of Business, Philadelphia, PA, March 11, 2014.
- 2021
- Article
Nudging the Commute: Using Behaviorally-Informed Interventions to Promote Sustainable Transportation
By: Ashley Whillans, Joseph Sherlock, Jessica Roberts, Shibeal O'Flaherty, Lyndsay Gavin, Holly Dykstra and Michael Daly
Dramatic reductions in carbon emissions must take place immediately. A human-centric method of reducing environmental impacts is to “nudge” employees away from single-occupancy vehicles (SOVs) toward more sustainable commuting options. While an abundance of research... View Details
Keywords: Behavioral Science; Transportation Demand Management; Commuting; Single-occupancy Vehicle Commutes; Transportation; Behavior; Change; Environmental Sustainability
Whillans, Ashley, Joseph Sherlock, Jessica Roberts, Shibeal O'Flaherty, Lyndsay Gavin, Holly Dykstra, and Michael Daly. "Nudging the Commute: Using Behaviorally-Informed Interventions to Promote Sustainable Transportation." Behavioral Science & Policy 7, no. 2 (2021): 27–49.
- Article
Evolution of Land Distribution in West Bengal 1967–2004: Role of Land Reform and Demographic Changes
By: Pranab Bardhan, Michael Luca, Dilip Mookherjee and Francisco Pino
This paper studies how land reform and population growth affect land inequality and landlessness, focusing particularly on indirect effects owing to their influence on household divisions and land market transactions. Theoretical predictions of a model of household... View Details
Keywords: Inequality; Land Reform; Household Division; Land Markets; Equality and Inequality; Residency; Property; Household; West Bengal
Bardhan, Pranab, Michael Luca, Dilip Mookherjee, and Francisco Pino. "Evolution of Land Distribution in West Bengal 1967–2004: Role of Land Reform and Demographic Changes." Journal of Development Economics 110 (September 2014): 171–190.
- 2002
- Chapter
National Innovative Capacity
By: Michael E. Porter and Scott Stern
This chapter delves in detail into the conditions that allow a country to innovate at the global technology frontier. The findings reveal the striking degree to which the national circumstances actually explain the differences across countries in innovative activity... View Details
Keywords: Economics
Porter, Michael E., and Scott Stern. "National Innovative Capacity." In The Global Competitiveness Report 2001–2002, by Michael E. Porter, Jeffrey D. Sachs, Peter K. Cornelius, John W. McArthur, and Klaus Schwab. New York: Oxford University Press, 2002.
- June 1991 (Revised March 1995)
- Case
Becton Dickinson (C): Human Resource Function
By: Michael Beer
The new vice president of Human Resources (HR) for Becton Dickinson must develop a strategy to reconceptualize the HR function as mandated by the CEO who has introduced formal strategic planning procedures in the organization. The teaching objective is to understand... View Details
Beer, Michael. "Becton Dickinson (C): Human Resource Function." Harvard Business School Case 491-154, June 1991. (Revised March 1995.)
- Web
Research - Health Care
medications? We study the health consequences of drug interruptions caused by large, abrupt, and arbitrary changes in price. Medicare’s prescription drug benefit as-if-randomly assigns 65-year-olds a drug budget as a... October 16, 2024... View Details
- 23 Nov 2010
- First Look
First Look: November 23
behave ethically and actual self-interested behavior. This relationship was mediated by the more extensive mental simulation that occurred with eyes closed rather than open, which, in turn, intensified emotional reactions to the ethical... View Details
Keywords: Sean Silverthorne
- 2007
- Working Paper
Hedge Fund Investor Activism and Takeovers
By: Robin Greenwood and Michael Schor
We examine long-horizon stock returns around hedge fund activism in a comprehensive sample of 13D filings by portfolio investors between 1993 and 2006. Abnormal returns surrounding investor activism are high for the subset of targets that are... View Details
Keywords: Mergers and Acquisitions; Private Equity; Investment Return; Investment Activism; Investment Portfolio; Corporate Governance
Greenwood, Robin, and Michael Schor. "Hedge Fund Investor Activism and Takeovers." Harvard Business School Working Paper, No. 08-004, July 2007.
- September 2018
- Article
Aggregation of Consumer Ratings: An Application to Yelp.com
By: Weijia Dai, Ginger Jin, Jungmin Lee and Michael Luca
Because consumer reviews leverage the wisdom of the crowd, the way in which they are aggregated is a central decision faced by platforms. We explore this "rating aggregation problem" and offer a structural approach to solving it, allowing for (1) reviewers to vary in... View Details
Keywords: User Generated Content; Crowdsourcing; Yelp; Social and Collaborative Networks; Information; Internet and the Web; Learning; Mathematical Methods; E-commerce
Dai, Weijia, Ginger Jin, Jungmin Lee, and Michael Luca. "Aggregation of Consumer Ratings: An Application to Yelp.com." Quantitative Marketing and Economics 16, no. 3 (September 2018): 289–339.
- 25 Feb 2014
- First Look
First Look: February 25
Publications August 2013 Social Psychological & Personality Science Matchmaking Promotes Happiness By: Anik, Lalin, and Michael I. Norton Abstract—Four studies document and explore the psychology underlying people's proclivity to... View Details
Keywords: Sean Silverthorne
- October 1997 (Revised September 2000)
- Case
Disney (A): From Disneyland to Disney World—Learning the Art of Land Assembly
By: Michael A. Wheeler and Georgia Levenson
Walt Disney is contemplating sites for a new theme park, building on the success of Disneyland in Anaheim. The focus is on Disney's strategy for land negotiation and acquisition, which is informed by his experience with the Anaheim park. View Details
Keywords: Negotiation Types; Negotiation Tactics; Acquisition; Tourism Industry; Entertainment and Recreation Industry; California
Wheeler, Michael A., and Georgia Levenson. "Disney (A): From Disneyland to Disney World—Learning the Art of Land Assembly." Harvard Business School Case 898-018, October 1997. (Revised September 2000.)
- April 2009 (Revised May 2010)
- Case
Partners In Health: HIV Care in Rwanda
By: Michael E. Porter, Scott S. Lee, Joseph Rhatigan and Jim Yong Kim
In 2005, Partners in Health (PIH) was invited by the Rwandan Ministry of Health to assume responsibility for the management of public health care in two rural districts in Eastern Rwanda and create an HIV treatment program at these sites. PIH successfully implemented a... View Details
Keywords: Developing Countries and Economies; Health Care and Treatment; Health Testing and Trials; Medical Specialties; Service Delivery; Nonprofit Organizations; Expansion; Health Industry; Rwanda
Porter, Michael E., Scott S. Lee, Joseph Rhatigan, and Jim Yong Kim. "Partners In Health: HIV Care in Rwanda." Harvard Business School Case 709-474, April 2009. (Revised May 2010.)
- September 2013 (Revised August 2024)
- Exercise
Process Analytics Simulation: Solutions
A set of exercises and instructions to be used with the Process Simulator software made by Pro Model. These exercises allow students to investigate the impact of variable processing times on the performance of simple in-line processes. Includes color exhibits. View Details
- 11 Feb 2014
- First Look
First Look: February 11
Demographic Changes By: Bardhan, Pranab, Michael Luca, Dilip Mookherjee, and Francisco Pino Abstract—This paper studies how land reform and population growth affect land inequality and landlessness, focusing particularly on indirect... View Details
Keywords: Sean Silverthorne
- 10 Apr 2018
- First Look
First Look at New Research, April 10, 2018
benefit from mimicking the showroom concepts started by online-first retailers and why online-first retailers can benefit from opening more traditional stores. Publisher's link: https://www.hbs.edu/faculty/Pages/item.aspx?num=54316 March... View Details
Keywords: Sean Silverthorne
- 01 Jun 2024
- News
Redefining How Businesses Operate
In her LinkedIn profile, Rebecca Hu (MBA 2023) describes herself as a “biologist-turned-technologist obsessed with building great software products.” A product manager at the language learning app Duolingo, Hu immersed herself in electives and activities centered... View Details
Keywords: Jennifer Gillespie
- October 2023
- Article
Improving Regulatory Effectiveness Through Better Targeting: Evidence from OSHA
By: Matthew S. Johnson, David I. Levine and Michael W. Toffel
We study how a regulator can best target inspections. Our case study is a U.S. Occupational Safety and Health Administration (OSHA) program that randomly allocated some inspections. On average, each inspection averted 2.4 serious injuries (9%) over the next five years.... View Details
Keywords: Safety Regulations; Regulations; Regulatory Enforcement; Machine Learning Models; Safety; Operations; Service Operations; Production; Forecasting and Prediction; Decisions; United States
Johnson, Matthew S., David I. Levine, and Michael W. Toffel. "Improving Regulatory Effectiveness Through Better Targeting: Evidence from OSHA." American Economic Journal: Applied Economics 15, no. 4 (October 2023): 30–67. (Profiled in the Regulatory Review.)
- 2020
- Working Paper
Improving Regulatory Effectiveness Through Better Targeting: Evidence from OSHA
By: Matthew S. Johnson, David I. Levine and Michael W. Toffel
We study how a regulator can best target inspections. Our case study is a US Occupational Safety and Health Administration (OSHA) program that randomly allocated some inspections. On average, each inspection averted 2.4 serious injuries (9%) over the next five years.... View Details
Keywords: Government Administration; Working Conditions; Safety; Quality; Production; Analysis; Resource Allocation; Manufacturing Industry; United States
Johnson, Matthew S., David I. Levine, and Michael W. Toffel. "Improving Regulatory Effectiveness Through Better Targeting: Evidence from OSHA." Harvard Business School Working Paper, No. 20-019, August 2019. (Revised February 2020.)
- November 2023 (Revised February 2025)
- Background Note
Corporate Climate Targets
By: Willy C. Shih, Michael W. Toffel and Kelsey Carter
Companies that are addressing climate change by mitigating their greenhouse gas emissions often set reduction targets. This note describes several types of widely used carbon reduction targets, including carbon neutral, science based, net zero, real zero, and carbon... View Details
Keywords: Corporate Sustainability; Environmental Strategy; Climate Risk; Target-setting; Climate Change; Environmental Sustainability; Corporate Accountability; Policy; Measurement and Metrics; Strategic Planning; Social Issues; Corporate Social Responsibility and Impact
Shih, Willy C., Michael W. Toffel, and Kelsey Carter. "Corporate Climate Targets." Harvard Business School Background Note 624-041, November 2023. (Revised February 2025.)