Filter Results:
(619)
Show Results For
- All HBS Web
(1,132)
- People (1)
- News (177)
- Research (619)
- Events (18)
- Multimedia (5)
- Faculty Publications (376)
Show Results For
- All HBS Web
(1,132)
- People (1)
- News (177)
- Research (619)
- Events (18)
- Multimedia (5)
- Faculty Publications (376)
Sort by
- 2020
- Working Paper
Do Lenders Still Discriminate? A Robust Approach for Assessing Differences in Menus
By: David Hao Zhang and Paul Willen
We use a new methodology to assess mortgage pricing discrimination by race. We make four main contributions. First, we show that existing estimates of mortgage pricing differences by race can be confounded by a "menu problem," which is the problem associated with... View Details
Keywords: Mortgages; Financing and Loans; Prejudice and Bias; Race; Measurement and Metrics; Banking Industry; United States
Zhang, David Hao, and Paul Willen. "Do Lenders Still Discriminate? A Robust Approach for Assessing Differences in Menus." Working Paper, September 2020.
- Teaching Interest
Data Science for Managers
- Served as a teaching fellow; assisted MBA students with classroom coding exercises.
- Developed course materials, including new case studies, technical notes, and code notebooks students used to analzye case data.
- Developed interactive web... View Details
- Research Summary
Clusters and Competition
Porter is conducting ongoing research on the theory of clusters, or geographic concentrations of interconnected companies and institutions in a particular field. This work includes further development of cluster theory and its implications for management and public... View Details
- 2015
- Working Paper
Lost in the Clouds: The Impact of Changing Property Rights on Investment in Cloud Computing Ventures
By: Josh Lerner and Greg Rafert
Our analysis seeks to understand the impact of changing allocations of property rights on investment in new firms. We focus on the Cartoon Network, et al. v. Cablevision decision in the U.S., which narrowed the protection enjoyed by content creators (e.g., movie... View Details
Keywords: Technological Innovation; Venture Capital; Internet and the Web; Entrepreneurship; Investment; Copyright
Lerner, Josh, and Greg Rafert. "Lost in the Clouds: The Impact of Changing Property Rights on Investment in Cloud Computing Ventures." Harvard Business School Working Paper, No. 15-082, April 2015.
- Article
Entry into Platform-based Markets
By: Feng Zhu and Marco Iansiti
This paper examines the relative importance of platform quality, indirect network effects, and consumer expectations on the success of entrants in platform-based markets. We develop a theoretical model and find that an entrant's success depends on the strength of... View Details
Keywords: Platform-based Markets; Winnter-take-all; First-mover Advantage; Indirect Network Effects; Video Game Industry; Quality; Network Effects; Market Entry and Exit; Digital Platforms; Motion Pictures and Video Industry
Zhu, Feng, and Marco Iansiti. "Entry into Platform-based Markets." Strategic Management Journal 33, no. 1 (January 2012): 88–106.
- May 2011
- Article
Race at the Top: How Companies Shape the Inclusion of African Americans on Their Boards in Response to Institutional Pressures
By: Clayton S. Rose and William T. Bielby
Drawing on institutionalist theory, we conceptualize the racial composition of the boards of directors of large American companies as shaped in response to social and political norms. We use new longitudinal and cross-sectional data to test hypotheses about factors... View Details
Keywords: Leadership; Governing and Advisory Boards; Race; Mathematical Methods; Government and Politics; Public Ownership; United States
Rose, Clayton S., and William T. Bielby. "Race at the Top: How Companies Shape the Inclusion of African Americans on Their Boards in Response to Institutional Pressures." Social Science Research 40, no. 3 (May 2011): 841–859.
- January–February 2011
- Article
Adverse Selection in Online 'Trust' Certifications and Search Results
By: Benjamin Edelman
Widely used online "trust" authorities issue certifications without substantial verification of recipients' actual trustworthiness. This lax approach gives rise to adverse selection: the sites that seek and obtain trust certifications are actually less trustworthy than... View Details
Keywords: Online Advertising; Governing Rules, Regulations, and Reforms; Policy; Safety; Trust; Internet; Search Technology; Web Sites
Edelman, Benjamin. "Adverse Selection in Online 'Trust' Certifications and Search Results." Electronic Commerce Research and Applications 10, no. 1 (January–February 2011): 17–25.
- Research Summary
Airline Schedule Disruptions
Increasing congestion and frequent schedule disruptions throughout the National Air Transportation System, both at airports and en route, have led to significant flight and passenger delays. Professor Fearing's primary research focus is on measuring and reducing... View Details
- September 2025
- Article
Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India
By: Shawn Cole, Tomoko Harigaya, Grady Killeen and Aparna Krishna
This paper evaluates a low-cost, customized soil nutrient management advisory service in India. As a methodological contribution, we examine whether and in which settings satellite measurements may be effective at estimating both agricultural yields and treatment... View Details
Keywords: Measurement and Metrics; Mathematical Methods; Analytics and Data Science; Agriculture and Agribusiness Industry; India
Cole, Shawn, Tomoko Harigaya, Grady Killeen, and Aparna Krishna. "Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India." Journal of Development Economics 176 (September 2025).
- 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.
- 2025
- Working Paper
Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India
By: Shawn Cole, Grady Killeen, Tomoko Harigaya and Aparna Krishna
This paper evaluates a low-cost, customized soil nutrient management advisory service in India. As a methodological contribution, we examine whether and in which settings satellite measurements may be effective at estimating both agricultural yields and treatment... View Details
Keywords: Performance Evaluation; Technology Adoption; Measurement and Metrics; Analytics and Data Science; Agriculture and Agribusiness Industry; India
Cole, Shawn, Grady Killeen, Tomoko Harigaya, and Aparna Krishna. "Using Satellites and Phones to Evaluate and Promote Agricultural Technology Adoption: Evidence from Smallholder Farms in India." Harvard Business School Working Paper, No. 25-035, January 2025.
- Research Summary
Efficient Consumer Response (ECR)
Seifert is conducting ongoing research on ECR success factor study. Identifying the relevant success factors for ECR-Implementation. Research includes analysis of supply chain mangement and category management implementiation. Statistical data is based on extensive... View Details
- March 2022 (Revised January 2025)
- Technical Note
Prediction & Machine Learning
This note provides an introduction to machine learning for an introductory data science course. The note begins with a description of supervised, unsupervised, and reinforcement learning. Then, the note provides a brief explanation of the difference between traditional... View Details
Keywords: Machine Learning; Data Science; Learning; Analytics and Data Science; Performance Evaluation; AI and Machine Learning
Bojinov, Iavor I., Michael Parzen, and Paul Hamilton. "Prediction & Machine Learning." Harvard Business School Technical Note 622-101, March 2022. (Revised January 2025.)
- January 2019
- Article
Increasing the Electoral Participation of Immigrants: Experimental Evidence from France
By: Vincent Pons and Guillaume Liegey
Improving the political participation of immigrants could advance their interests and foster their integration into receiving countries. In this study, 23,800 citizens were randomly assigned to receive visits from political activists during the lead-up to the 2010... View Details
Pons, Vincent, and Guillaume Liegey. "Increasing the Electoral Participation of Immigrants: Experimental Evidence from France." Economic Journal 129, no. 617 (January 2019): 481–508. (Also Harvard Business School Working Paper, No. 16-094, February 2016.)
- January 2020
- Article
Rethinking Measurement of Pay Disparity and Its Relation to Firm Performance
By: Ethan Rouen
I develop measures of firm-level pay disparity and examine their relation to firm performance. Using comprehensive compensation data for a large sample of firms, I find no statistically significant relation between the ratio of CEO-to-mean employee compensation and... View Details
Keywords: Pay Disparity; Pay Ratio; CEO Pay Ratio; Income Inequality; Executive Compensation; Employees; Wages; Equality and Inequality; Business Ventures; Performance
Rouen, Ethan. "Rethinking Measurement of Pay Disparity and Its Relation to Firm Performance." Accounting Review 95, no. 1 (January 2020): 343–378.
- 2023
- Working Paper
Insufficiently Justified Disparate Impact: A New Criterion for Subgroup Fairness
By: Neil Menghani, Edward McFowland III and Daniel B. Neill
In this paper, we develop a new criterion, "insufficiently justified disparate impact" (IJDI), for assessing whether recommendations (binarized predictions) made by an algorithmic decision support tool are fair. Our novel, utility-based IJDI criterion evaluates false... View Details
Menghani, Neil, Edward McFowland III, and Daniel B. Neill. "Insufficiently Justified Disparate Impact: A New Criterion for Subgroup Fairness." Working Paper, June 2023.
- Article
Do Post-menopausal Women Provide More Care to Their Kin?: Evidence of Grandparental Caregiving from Two Large-scale National Surveys
By: Marlise Hofer, Hanne Collins, Gita D. Mishra and Mark Schaller
Drawing on the logical principles of life-history theory, it may be hypothesized that—compared to pre-menopausal women—post-menopausal women will spend more time caring for grandchildren and other kin. This hypothesis was tested in two studies, on results obtained from... View Details
Hofer, Marlise, Hanne Collins, Gita D. Mishra, and Mark Schaller. "Do Post-menopausal Women Provide More Care to Their Kin?: Evidence of Grandparental Caregiving from Two Large-scale National Surveys." Evolution and Human Behavior 40, no. 4 (July 2019): 355–364.
- September 2016
- Case
Hotel Vertu: Analyzing the Opportunity in the Boutique Hotel Industry
By: Howard H. Stevenson and Michael J. Roberts DBA
Two soon-to-be MBA graduates are considering a business opportunity in the boutique hotel industry. Having found a seemingly attractive property in Savannah, Georgia, Yvonne D'Arcy and Elisabeth Whiting face questions about career issues, planning, financing, and the... View Details
Stevenson, Howard H., and Michael J. Roberts DBA. "Hotel Vertu: Analyzing the Opportunity in the Boutique Hotel Industry." Harvard Business School Brief Case 917-501, September 2016.
- 11 Dec 2007
- First Look
First Look: December 11, 2007
Working PapersThe Seer of Wellesley Hills: Roger Babson and the Babson Statistical Organization Author:Walter A. Friedman Abstract Roger Babson was a pioneer of the business-forecasting industry in the United States in the early... View Details
Keywords: Martha Lagace