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- All HBS Web
(1,638)
- People (6)
- News (258)
- Research (1,129)
- Events (11)
- Multimedia (2)
- Faculty Publications (521)
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- March 2016 (Revised February 2023)
- Teaching Note
Advertising Experiments at RestaurantGrades
By: Michael Luca, Weijia Dai and Hyunjin Kim
Advertising Experiments at RestaurantGrades is an exercise in which students are asked to analyze and make a recommendation on the basis of simulated experimental data. The setting is a hypothetical restaurant review company called RestaurantGrades (RG), which shows... View Details
- 28 Mar 2023
- Research & Ideas
The FDA’s Speedy Drug Approvals Are Safe: A Win-Win for Patients and Pharma Innovation
and effective in preventing severe disease, and their accelerated review will go down in history as having saved millions of lives. But COVID vaccines weren’t the first medical products to be brought to market through an expedited... View Details
- July 2022
- Article
Countercyclical Prudential Buffers and Bank Risk-taking
By: Manuel Illueca, Lars Norden, Joseph Pacelli and Gregory F. Udell
We investigate the effects of countercyclical prudential buffers on bank risk-taking. We exploit the introduction of dynamic loan loss provisioning in Spain, mandating that banks use historical average loss rates in their estimation of loan loss provisions. We find... View Details
Keywords: Banks; Bank Regulation; Macroprudential Policies; Bank Lending; Loan Loss Provisioning; Risk Taking; Banks and Banking; Financing and Loans; Governing Rules, Regulations, and Reforms; Risk and Uncertainty
Illueca, Manuel, Lars Norden, Joseph Pacelli, and Gregory F. Udell. "Countercyclical Prudential Buffers and Bank Risk-taking." Art. 100961. Journal of Financial Intermediation 51 (July 2022).
- 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.)
- 2014
- Working Paper
Savings in Transnational Households: A Field Experiment Among Migrants from El Salvador
By: Nava Ashraf, Diego Aycinena, Claudia Martinez A. and Dean Yang
While remittance flows to developing countries are very large, it is unknown whether migrants desire more control over how remittances are used. This research uses a randomized field experiment to investigate the importance of migrant control over the use of... View Details
Keywords: Migration; Remittances; Intrahousehold Allocation; Savings; Immigration; Diasporas; International Finance; El Salvador
Ashraf, Nava, Diego Aycinena, Claudia Martinez A., and Dean Yang. "Savings in Transnational Households: A Field Experiment Among Migrants from El Salvador." NBER Working Paper Series, No. 20024, March 2014. (Review of Economics and Statistics, accepted.)
- Article
How Elastic Are Preferences for Redistribution? Evidence from Randomized Survey Experiments
By: Ilyana Kuziemko, Michael I. Norton, Emmanuel Saez and Stefanie Stantcheva
We analyze randomized online survey experiments providing interactive, customized information on U.S. income inequality, the link between top income tax rates and economic growth, and the estate tax. The treatment has large effects on views about inequality but only... View Details
Kuziemko, Ilyana, Michael I. Norton, Emmanuel Saez, and Stefanie Stantcheva. "How Elastic Are Preferences for Redistribution? Evidence from Randomized Survey Experiments." American Economic Review 105, no. 4 (April 2015): 1478–1508.
- 03 Jan 2023
- Book
Confront Workplace Inequity in 2023: Dig Deep, Build Bridges, Take Collective Action
back up and running, many women are asking: What’s it going to take to effect real change? According to Tina Opie, visiting scholar at Harvard Business School and author of Shared Sisterhood: How to Take Collective Action for Racial and... View Details
Keywords: by Pamela Reynolds
- Forthcoming
- Article
Reputation Burning: Analyzing the Impact of Brand Sponsorship on Social Influencers
By: Mengjie Cheng and Shunyuan Zhang
The growth of the influencer marketing industry warrants an empirical examination of the effect of posting sponsored videos on influencers' reputations. We collected a novel dataset of user-generated YouTube videos created by prominent English-speaking influencers in... View Details
Keywords: Reputation; Mathematical Methods; Marketing Reference Programs; Social Media; Brands and Branding
Cheng, Mengjie, and Shunyuan Zhang. "Reputation Burning: Analyzing the Impact of Brand Sponsorship on Social Influencers." Management Science (forthcoming). (Pre-published online October 18, 2024.)
- 2019
- Working Paper
Persuasive Propaganda During the 2015 Argentine Ballotage
By: Rafael Di Tella, Sebastian Galiani and Ernesto Schargrodsky
We study a propaganda campaign sponsored by the government against the main political challenger in the days preceding the 2015 Argentine runoff presidential election. Subjects in the treatment group watched an “ad” initially aired during soccer transmissions that was... View Details
Keywords: Propaganda; Persuasion; Voting; Political Elections; Government and Politics; Communication Strategy; Power and Influence; Public Opinion; Argentina
Di Tella, Rafael, Sebastian Galiani, and Ernesto Schargrodsky. "Persuasive Propaganda During the 2015 Argentine Ballotage." Harvard Business School Working Paper, No. 20-030, September 2019. (Revised November 2019.)
- 2021
- Working Paper
Venture Capital's 'Me Too' Moment
By: Sophie Calder-Wang, Paul A. Gompers and Patrick Sweeney
In this paper, we document the historically low rate of hiring of women in the venture capital sector. We find that the high-profile Ellen Pao v. Kleiner Perkins gender discrimination trial had dramatic treatment effects. In difference-in-differences regressions, we... View Details
Keywords: Gender Discrimination; Founders; Venture Capital; Selection and Staffing; Gender; Lawsuits and Litigation
Calder-Wang, Sophie, Paul A. Gompers, and Patrick Sweeney. "Venture Capital's 'Me Too' Moment." NBER Working Paper Series, No. 28679, April 2021.
- April 2017
- Supplement
Imprimis (B)
By: Ramon Casadesus-Masanell, Karen Elterman and Marc Appel
This case is a supplement to Imprimis (A). It describes the company’s decision to enter into the pharmaceutical compounding business in 2013–2014. Imprimis purchased a compounded ophthalmological medication called Dropless Therapy, which was injected into patients’... View Details
Keywords: Healthcare; Drug Compounding; Drug Development; Pharmaceuticals; Small Business; Decision-making, Business Model; Mark Baum; Imprimis; Decision Making; Strategy; Health Care and Treatment; Policy; Pharmaceutical Industry; United States
Casadesus-Masanell, Ramon, Karen Elterman, and Marc Appel. "Imprimis (B)." Harvard Business School Supplement 717-496, April 2017.
- May 2023 (Revised June 2023)
- Case
Novartis (A): Reimagining Medicine
By: Ramon Casadesus-Masanell, Claudio Feser, Karolin Frankenberger and David Redaschi
This case unfolds around the first-ever approved personalized cancer treatment, how Novartis wrapped it into a new business model design, and how Novartis scaled it. Novartis — one of the largest pharmaceutical companies in the world — is, among other ventures,... View Details
Keywords: Health Care and Treatment; Business Model; Leadership; Pharmaceutical Industry; Switzerland
Casadesus-Masanell, Ramon, Claudio Feser, Karolin Frankenberger, and David Redaschi. "Novartis (A): Reimagining Medicine." Harvard Business School Case 723-443, May 2023. (Revised June 2023.)
- 2023
- Working Paper
Money, Time, and Grant Design
By: Kyle Myers and Wei Yang Tham
The design of research grants has been hypothesized to be a useful tool for
influencing researchers and their science. We test this by conducting two thought
experiments in a nationally representative survey of academic researchers. First,
we offer participants a... View Details
Myers, Kyle, and Wei Yang Tham. "Money, Time, and Grant Design." Harvard Business School Working Paper, No. 24-037, December 2023.
- Article
What We Can Learn from Five Naturalistic Field Experiments that Failed to Shift Commuter Behaviour
By: Ariella S. Kristal and A.V. Whillans
Across five field experiments with employees of a large organization (n = 68,915), we examined whether standard behavioural interventions (“nudges”) successfully reduced single-occupancy vehicle commutes. In Studies 1 and 2, we sent letters and emails with nudges... View Details
Kristal, Ariella S., and A.V. Whillans. "What We Can Learn from Five Naturalistic Field Experiments That Failed to Shift Commuter Behaviour." Nature Human Behaviour 4, no. 2 (February 2020): 169–176. (This article was featured on the cover as the lead article.)
- May 2023 (Revised June 2023)
- Supplement
Novartis (C): Reimagining Medicine
By: Ramon Casadesus-Masanell, Claudio Feser, Karolin Frankenberger and David Redaschi
This case unfolds around the first-ever approved personalized cancer treatment, how Novartis wrapped it into a new business model design, and how Novartis scaled it. Novartis — one of the largest pharmaceutical companies in the world — is, among other ventures,... View Details
Keywords: Health Testing and Trials; Health Care and Treatment; Business Model; Problems and Challenges; Pharmaceutical Industry; Switzerland
Casadesus-Masanell, Ramon, Claudio Feser, Karolin Frankenberger, and David Redaschi. "Novartis (C): Reimagining Medicine." Harvard Business School Supplement 723-445, May 2023. (Revised June 2023.)
- April 1993 (Revised May 1994)
- Case
Genzyme Corporation: Strategic Challenges with Ceredase
Genzyme Corp., one of the largest biotechnology companies, has succeeded in developing, manufacturing, and commercializing its first therapeutic, a treatment for a rare genetic disease. Analysis of the case requires students to identify and understand how Genzyme has... View Details
Keywords: Risk Management; Risk and Uncertainty; Corporate Strategy; Technology; Health; Product Development; Biotechnology Industry; Pharmaceutical Industry; United States
Teisberg, Elizabeth O., and Sharon L. Rossi. "Genzyme Corporation: Strategic Challenges with Ceredase." Harvard Business School Case 793-120, April 1993. (Revised May 1994.)
- August 2020
- Article
Workplace Knowledge Flows
By: Jason Sandvik, Richard Saouma, Nathan Seegert and Christopher Stanton
We conducted a field experiment in a sales firm to test whether improving knowledge flows between coworkers affects productivity. Our design allows us to compare different management practices and to isolate whether frictions to knowledge transmission primarily reside... View Details
Keywords: Knowledge Sharing; Interpersonal Communication; Employees; Performance Productivity; Sales; Motivation and Incentives
Sandvik, Jason, Richard Saouma, Nathan Seegert, and Christopher Stanton. "Workplace Knowledge Flows." Quarterly Journal of Economics 135, no. 3 (August 2020): 1635–1680.
- May 2023 (Revised June 2023)
- Supplement
Novartis (B): Reimagining Medicine
By: Ramon Casadesus-Masanell, Claudio Feser, Karolin Frankenberger and David Redaschi
This case unfolds around the first-ever approved personalized cancer treatment, how Novartis wrapped it into a new business model design, and how Novartis scaled it. Novartis — one of the largest pharmaceutical companies in the world — is, among other ventures,... View Details
Keywords: Health Care and Treatment; Business Model; Production; Business Strategy; Pharmaceutical Industry
Casadesus-Masanell, Ramon, Claudio Feser, Karolin Frankenberger, and David Redaschi. "Novartis (B): Reimagining Medicine." Harvard Business School Supplement 723-444, May 2023. (Revised June 2023.)
- April 2003
- Case
HP-Cisco Alliance (A), The
In 2002, Hewlett-Packard and Cisco Systems strove to develop their long-standing partnership into a strategic alliance with increasing impact. Critical components of successful alliance implementation emerge from the analysis. Specifically, the case illuminates the... View Details
Keywords: Strategy; Interpersonal Communication; Organizational Design; Alliances; Organizational Structure
Casciaro, Tiziana E., and Christina Darwall. "HP-Cisco Alliance (A), The." Harvard Business School Case 403-120, April 2003.
- July 2024
- Article
A (Dynamic) Investigation of Stereotypes, Belief-Updating, and Behavior
By: Katherine B. Coffman, Paola Ugalde Araya and Basit Zafar
Many decisions—such as what educational or career path to pursue—are dynamic in nature, with individuals receiving feedback at one point in time and making decisions later. Using a controlled experiment, with two sessions one week apart, we analyze the dynamic effects... View Details
Keywords: Feedback; Beliefs; Stereotypes; Self-assessment; Gender Gap; Gender; Equality and Inequality; Perception; Decision Choices and Conditions
Coffman, Katherine B., Paola Ugalde Araya, and Basit Zafar. "A (Dynamic) Investigation of Stereotypes, Belief-Updating, and Behavior." Economic Inquiry 62, no. 3 (July 2024): 957–983.