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(2,030)
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Show Results For
- All HBS Web
(2,030)
- News (417)
- Research (1,318)
- Events (25)
- Multimedia (3)
- Faculty Publications (446)
- 2024
- Working Paper
The Cram Method for Efficient Simultaneous Learning and Evaluation
By: Zeyang Jia, Kosuke Imai and Michael Lingzhi Li
We introduce the "cram" method, a general and efficient approach to simultaneous learning and evaluation using a generic machine learning (ML) algorithm. In a single pass of batched data, the proposed method repeatedly trains an ML algorithm and tests its empirical... View Details
Keywords: AI and Machine Learning
Jia, Zeyang, Kosuke Imai, and Michael Lingzhi Li. "The Cram Method for Efficient Simultaneous Learning and Evaluation." Working Paper, March 2024.
- October 2016
- Case
Addicaid: Scaling a Digital Platform for Addiction Wellness and Recovery
By: Robert S. Huckman and Sarah Mehta
In 2013, Sam Frons founded Addicaid—a mobile application (app) that allowed people in addiction recovery to track their progress, check in with counselors, and connect with others in recovery programs. The app was grounded in cognitive behavioral therapy and used the... View Details
Keywords: Digital Health Interventions; Substance Use Disorder; Addiction Treatment; Addiction Recovery; Scale; Innovation; Health; Health Disorders; Health Industry; New York (city, NY)
Huckman, Robert S., and Sarah Mehta. "Addicaid: Scaling a Digital Platform for Addiction Wellness and Recovery." Harvard Business School Case 617-018, October 2016.
- 2021
- Working Paper
CEO Activism, Consumer Polarization, and Firm Performance
By: Young Hou and Christopher W. Poliquin
CEOs are increasingly engaging in activism on controversial social and political issues that do not directly affect their businesses. Simultaneously, the general public is increasingly polarized. We examine how CEO support for gun control after two mass shootings... View Details
Keywords: CEO Activism; Guns; Polarization; Non-market Strategy; Social Issues; Leadership; Consumer Behavior; Performance
Hou, Young, and Christopher W. Poliquin. "CEO Activism, Consumer Polarization, and Firm Performance." Harvard Business School Working Paper, No. 21-106, February 2021.
- December 2022
- Article
Scarlet Letters: Rehabilitation Through Transgression Transparency and Personal Narrative Control
By: Erin L. Frey, Ethan Bernstein and Nick Rekenthaler
When employees commit transgressions, organizations often use tools of organizational control to prevent them from transgressing again. We investigate whether organizations can use transgression transparency to rehabilitate transgressors. Although making transgressions... View Details
Keywords: Transparency; Workplace; Transgressions; Qualitative Research; Management Practices and Processes; Organizations; Employees; Reputation; Communication
Frey, Erin L., Ethan Bernstein, and Nick Rekenthaler. "Scarlet Letters: Rehabilitation Through Transgression Transparency and Personal Narrative Control." Administrative Science Quarterly 67, no. 4 (December 2022): 968–1011. (The first two authors contributed equally to this manuscript.)
- 28 Jul 2010
- Working Paper Summaries
Disagreement about the Team’s Status Hierarchy: An Insidious Obstacle to Coordination and Performance
Keywords: by Heidi K. Gardner
- 13 Jan 2020
- Blog Post
Blending my Tech and Managerial Mindsets
We recently caught up with Yuval Gonczarowski (MBA 2017), the Chief Technology Officer at ClimaCell Inc, a weather technology SaaS startup utilizing unique data sources like wireless signals and connected vehicles to map all the weather... View Details
- 2022
- Working Paper
Addressing Vaccine Hesitancy: Experimental Evidence from Nine Countries during the COVID-19 Pandemic
By: Vincenzo Galasso, Vincent Pons, Paola Profeta, Michael Becher, Sylvain Brouard and Martial Foucault
Millions of people refuse COVID-19 vaccination. Using original data from two surveys in nine OECD countries, we analyze the determinants of anti-vax intentions in December 2020 and show that half of the anti-vax individuals were vaccinated by summer 2021. Vaccinations... View Details
Keywords: COVID-19; Vaccination; Vaccine Hesitancy; Information Campaigns; Health Pandemics; Behavior; Information
Galasso, Vincenzo, Vincent Pons, Paola Profeta, Michael Becher, Sylvain Brouard, and Martial Foucault. "Addressing Vaccine Hesitancy: Experimental Evidence from Nine Countries during the COVID-19 Pandemic." NBER Working Paper Series, No. 29741, February 2022.
- March 2021
- Article
On the Direct and Indirect Real Effects of Credit Supply Shocks
By: Laura Alfaro, Manuel García-Santana and Enrique Moral-Benito
We explore the real effects of bank-lending shocks and how they permeate the economy through buyer-supplier linkages. We combine administrative data on all Spanish firms with a matched bank-firm-loan dataset of all corporate loans from 2003 to 2013 to estimate... View Details
Keywords: Credit Supply Shocks; Bank Lending Channel; Input-output Linkages; Output; Mechanisms; Trade Credits; Price Effects; Economics; Credit; System Shocks; Employment; Investment; Spain
Alfaro, Laura, Manuel García-Santana, and Enrique Moral-Benito. "On the Direct and Indirect Real Effects of Credit Supply Shocks." Journal of Financial Economics 139, no. 3 (March 2021): 895–921.
- January 2011
- Article
Does Intellectual Property Rights Reform Spur Industrial Development?
By: Lee G. Branstetter, Ray Fisman, C. Fritz Foley and Kamal Saggi
An extensive theoretical literature generates ambiguous predictions concerning the effects of intellectual property rights (IPR) reform on industrial development. The impact depends on whether multinational enterprises (MNEs) expand production in reforming countries... View Details
Keywords: Development Economics; Foreign Direct Investment; Multinational Firms and Management; Governing Rules, Regulations, and Reforms; Intellectual Property; Rights; Production; Expansion; United States
Branstetter, Lee G., Ray Fisman, C. Fritz Foley, and Kamal Saggi. "Does Intellectual Property Rights Reform Spur Industrial Development?" Journal of International Economics 83, no. 1 (January 2011): 27–36.
- Article
Wealth-Making in Nineteenth and Early Twentieth Century Britain: Industry v. Commerce and Finance
By: Tom Nicholas
This paper refutes the hypothesis put forward by W.D. Rubinstein that a disproportionately large share of Britain's wealth makers were active in commercial and financial trades in London. We use a data set of businessmen active in nineteenth- and early... View Details
Keywords: Trade; Finance; Commercialization; Mathematical Methods; Wealth and Poverty; Great Britain; London
Nicholas, Tom. "Wealth-Making in Nineteenth and Early Twentieth Century Britain: Industry v. Commerce and Finance." Business History 41, no. 1 (January 1999).
- 11 Apr 2007
- Research & Ideas
Adding Time to Activity-Based Costing
companies do not need a full-fledged ERP system to get most of the benefits. The TDABC system can import data from separate systems, such as the monthly general ledger, a production scheduling system, and a... View Details
Keywords: by Sarah Jane Gilbert
- 18 Dec 2008
- Working Paper Summaries
Concentration Levels in the U.S. Advertising and Marketing Services Industry: Myth vs. Reality
- 12 Mar 2012
- Research & Ideas
Crowded at the Top: The Rise of the Functional Manager
businesses.” In 2008, companies averaged 2.9 general managers, compared to 1.6 in 1986, according to data from several surveys. The average number of functional managers reporting directly to the CEO... View Details
Keywords: by Carmen Nobel
- January 2022
- Article
Investing Outside the Box: Evidence from Alternative Vehicles in Private Equity
By: Josh Lerner, Jason Mao, Antoinette Schoar and Nan R. Zhang
This paper uses previously unexplored custodial data to examine the use of alternative investment vehicles in private equity (PE) over four decades. We document a steep increase in the capital directed to alternative vehicles, with these vehicles approaching a 40%... View Details
Keywords: Alternative Investment Vehicles; Investment Funds; Private Equity; Venture Capital; Performance
Lerner, Josh, Jason Mao, Antoinette Schoar, and Nan R. Zhang. "Investing Outside the Box: Evidence from Alternative Vehicles in Private Equity." Journal of Financial Economics 143, no. 1 (January 2022): 359–380. (Won the 2022 Doriot Award for the Best Private Equity Research Paper.)
- Article
Effect of Different Financial Incentive Structures on Promoting Physical Activity Among Adults: A Randomized Clinical Trial
By: Chethan Bachireddy, Andrew Joung, Leslie K. John, Francesca Gino, Bradford Tuckfield, Luca Foschini and Katherine L. Milkman
Importance: Few adults engage in recommended levels of physical activity. Financial incentives can promote physical activity, but little is known about how their structure influences their effectiveness; for example, whether incentives are more effective if they are... View Details
Bachireddy, Chethan, Andrew Joung, Leslie K. John, Francesca Gino, Bradford Tuckfield, Luca Foschini, and Katherine L. Milkman. "Effect of Different Financial Incentive Structures on Promoting Physical Activity Among Adults: A Randomized Clinical Trial." JAMA Network Open 2, no. 8 (August 2019): 1–13.
- February 2008
- Supplement
Avaya (B)
Avaya's top management wants to improve demand generation. This requires an improvement in the relationship between Sales and Marketing. This case series (Avaya (A)-(D)) walks the student through each phase of this process. The (A) case begins with background on the... View Details
Godes, David B. "Avaya (B)." Harvard Business School Supplement 508-049, February 2008.
- February 2008 (Revised April 2008)
- Case
Avaya (A)
Avaya's top management wants to improve demand generation. This requires an improvement in the relationship between Sales and Marketing. This case series (Avaya (A)-(D)) walks the student through each phase of this process. The (A) case begins with background on the... View Details
Keywords: Marketing; Demand and Consumers; Performance Improvement; Relationships; Sales; Cooperation
Godes, David B. "Avaya (A)." Harvard Business School Case 508-048, February 2008. (Revised April 2008.)
- 2025
- Working Paper
The Hidden Costs of Flexible Labor Models: How Working Multiple Jobs Affects Employees
By: Paige Tsai and Ryan W. Buell
As operations increasingly rely upon flexible labor models—such as gig, part-time, and remote work—it has become commonplace for individuals to work multiple jobs. Across three studies, relying on a combination of transaction-level data from 90,548 customers of a... View Details
Keywords: Behavioral Operations; Employee Behavior; Job Design; Sustainable Operations; Wellbeing; Job Design and Levels; Personal Finance; Well-being; Happiness; Satisfaction; Wages
Tsai, Paige, and Ryan W. Buell. "The Hidden Costs of Flexible Labor Models: How Working Multiple Jobs Affects Employees." Harvard Business School Working Paper, No. 25-036, January 2025. (Revised June 2025.)
- June 2018
- Article
Firm Turnover and the Return of Racial Establishment Segregation
By: John-Paul Ferguson and Rembrand Koning
Racial segregation between American workplaces is greater today than it was a generation ago. This increase has happened alongside the declines in within-establishment occupational segregation on which most prior research has focused. We examine more than 40 years of... View Details
Keywords: Firm Entry; Stratification; Segregration; Entrepreneurship; Business Ventures; Employees; Diversity; Race; Segmentation; United States
Ferguson, John-Paul, and Rembrand Koning. "Firm Turnover and the Return of Racial Establishment Segregation." American Sociological Review 83, no. 3 (June 2018): 445–474.