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Show Results For
- All HBS Web
(945)
- People (2)
- News (122)
- Research (723)
- Events (14)
- Multimedia (1)
- Faculty Publications (397)
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- August 2014
- Article
Friends in High Places
By: Lauren Cohen and Christopher Malloy
We demonstrate that personal connections amongst U.S. politicians have a significant impact on Senate voting behavior. Networks based on alumni connections between politicians are consistent predictors of voting behavior. We estimate sharp measures that control for... View Details
Keywords: Vote Trading; Networks; Legislation; Logrolling; Earmarks; Voting; Government Legislation; Social and Collaborative Networks; United States
Cohen, Lauren, and Christopher Malloy. "Friends in High Places." American Economic Journal: Economic Policy 6, no. 3 (August 2014): 63–91.
- April 2024 (Revised July 2024)
- Case
Market Dynamics and Moral Dilemmas: Novo Nordisk’s Weight-Loss Drugs
By: Joseph L. Badaracco, Tom Quinn and John Schultz
Danish pharmaceutical company Novo Nordisk was owned by a charitable foundation, and since its founding in the 1920s had focused on producing insulin to treat diabetes. In 2017, however, it released Ozempic, a diabetes treatment with the revolutionary side effect of... View Details
Keywords: Cost vs Benefits; Decisions; Judgments; Values and Beliefs; Global Strategy; Health Care and Treatment; Patents; Growth and Development Strategy; Growth Management; Product Positioning; Supply and Industry; Supply Chain; Corporate Social Responsibility and Impact; Mission and Purpose; Philanthropy and Charitable Giving; Opportunities; Social Issues; Equality and Inequality; Pharmaceutical Industry; Health Industry; Denmark; United States; Europe; China; India; Middle East; North Africa
Badaracco, Joseph L., Tom Quinn, and John Schultz. "Market Dynamics and Moral Dilemmas: Novo Nordisk’s Weight-Loss Drugs." Harvard Business School Case 324-114, April 2024. (Revised July 2024.)
- May–June 2023
- Article
Which Firms Gain from Digital Advertising? Evidence from a Field Experiment
By: Weijia Dai, Hyunjin Kim and Michael Luca
Measuring the returns of advertising opportunities continues to be a challenge for many
businesses. We design and run a field experiment in collaboration with Yelp across 18,294
firms in the restaurant industry to understand which types of businesses gain more from... View Details
Dai, Weijia, Hyunjin Kim, and Michael Luca. "Which Firms Gain from Digital Advertising? Evidence from a Field Experiment." Marketing Science 42, no. 3 (May–June 2023): 429–439.
- March 2016
- Supplement
Advertising Experiments at RestaurantGrades
By: Weijia Dai, Hyunjin Kim and Michael Luca
This exercise provides students with a data set consisting of results from a hypothetical experiment, and asks students to make recommendations based on the data. Through this process, the exercise teaches students to analyze, design, and interpret experiments. The... View Details
- Forthcoming
- Article
Should Human Capital Development Programs Be Voluntary or Mandatory? Evidence from a Field Experiment
By: Jason Sandvik, Richard Saouma, Nathan Seegert and Christopher Stanton
In a field experiment, we find large differences in productivity treatment effects between voluntary and mandatory workplace mentorship programs. A significant portion of this difference is due to the best employees opting into the program when it is voluntary and... View Details
Keywords: Mentoring; Mentorship Programs; Randomized Controlled Trial; Performance Productivity; Employees; Talent and Talent Management; Programs
Sandvik, Jason, Richard Saouma, Nathan Seegert, and Christopher Stanton. "Should Human Capital Development Programs Be Voluntary or Mandatory? Evidence from a Field Experiment." Management Science (forthcoming).
- 2023
- Working Paper
Should Human Capital Development Programs Be Voluntary or Mandatory? Evidence from a Field Experiment
By: Jason Sandvik, Richard Saouma, Nathan Seegert and Christopher Stanton
In a field experiment, we find large differences in productivity treatment effects between voluntary and mandatory workplace mentorship programs. A significant portion of this difference is due to the best employees opting into the program when it is voluntary and... View Details
Keywords: Mentoring; Mentorship Programs; Randomized Controlled Trial; Employees; Relationships; Programs; Performance
Sandvik, Jason, Richard Saouma, Nathan Seegert, and Christopher Stanton. "Should Human Capital Development Programs Be Voluntary or Mandatory? Evidence from a Field Experiment." NBER Working Paper Series, No. 29148, August 2021. (Accepted at Management Science.)
- 2024
- Working Paper
The Uneven Impact of Generative AI on Entrepreneurial Performance
By: Nicholas G. Otis, Rowan Clarke, Solène Delecourt, David Holtz and Rembrand Koning
Scalable and low-cost AI assistance has the potential to improve firm decision-making and economic performance. However, running a business involves a myriad of open-ended problems, making it difficult to know whether recent AI advances can help business owners make... View Details
Keywords: AI and Machine Learning; Performance Improvement; Small Business; Decision Choices and Conditions; Kenya
Otis, Nicholas G., Rowan Clarke, Solène Delecourt, David Holtz, and Rembrand Koning. "The Uneven Impact of Generative AI on Entrepreneurial Performance." Harvard Business School Working Paper, No. 24-042, December 2023.
- 2007
- Article
Three Perspectives on Team Learning: Outcome Improvement, Task Mastery, and Group Process
By: Amy C. Edmondson, James R. Dillon and Kate Roloff
The emergence of a research literature on team learning has been driven by at least two factors. First, longstanding interest in what makes organizational work teams effective leads naturally to questions about how members of newly formed teams learn to work together... View Details
Keywords: Learning; Organizational Culture; Performance Improvement; Practice; Groups and Teams; Research; Adaptation; Cooperation
Edmondson, Amy C., James R. Dillon, and Kate Roloff. "Three Perspectives on Team Learning: Outcome Improvement, Task Mastery, and Group Process." Academy of Management Annals 1 (2007): 269–314.
- 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.)
- April 2009 (Revised November 2012)
- Case
Sermo, Inc.
By: Thomas R. Eisenmann and Lars Peter Christian Nielsen
Sermo operates the leading online professional network for physicians in the United States. Doctors use Sermo free of charge to post surveys regarding diagnostic and treatment concerns and to discuss these concerns, as well as challenges with managing their practices.... View Details
Keywords: Entrepreneurship; Health Care and Treatment; Knowledge Sharing; Two-Sided Platforms; Conflict and Resolution; Social and Collaborative Networks; United States
Eisenmann, Thomas R., and Lars Peter Christian Nielsen. "Sermo, Inc." Harvard Business School Case 809-142, April 2009. (Revised November 2012.)
- Article
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; Saving; Residency; Banks and Banking; Banking Industry; El Salvador; United States
Ashraf, Nava, Diego Aycinena, Claudia Martinez A., and Dean Yang. "Savings in Transnational Households: A Field Experiment Among Migrants from El Salvador." Review of Economics and Statistics 97, no. 2 (May 2015): 332–351.
- 2014
- Working Paper
Cleaning House: The Impact of Information Technology on Employee Corruption and Performance
By: Lamar Pierce, Daniel Snow and Andrew McAfee
This paper examines how firm investments in technology-based employee monitoring impact both misconduct and productivity. We use unique and detailed theft and sales data from 392 restaurant locations from five firms that adopt a theft monitoring information technology... View Details
Keywords: Management Practices and Processes; Information Technology; Ethics; Performance Productivity; Employees
Pierce, Lamar, Daniel Snow, and Andrew McAfee. "Cleaning House: The Impact of Information Technology on Employee Corruption and Performance." MIT Sloan Research Paper, No. 5029-13, October 2014.
- August 2017
- Article
The First Deal: The Division of Founder Equity in New Ventures
By: Thomas F. Hellmann and Noam Wasserman
We examine the trade-off between efficiency and equality within the context of entrepreneurial founding teams. Using a formal theory where founders may have preferences over relative outcomes, we derive predictions about the antecedents and consequences of dividing... View Details
Hellmann, Thomas F., and Noam Wasserman. "The First Deal: The Division of Founder Equity in New Ventures." Management Science 63, no. 8 (August 2017): 2647–2666.
- 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
- 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.)
- 2015
- Working Paper
Match Your Own Price? Self-Matching as a Retailer's Multichannel Pricing Strategy
By: Pavel Kireyev, Vineet Kumar and Elie Ofek
Multichannel retailing has created several new strategic choices for firms. With respect to pricing, an important decision is whether to offer a "self-matching policy." Self-matching allows a multichannel retailer to offer the lowest of its online and in-store prices... View Details
Keywords: Price Self-matching; Multichannel Retailing; Pricing Strategy; Marketing Strategy; Price; Distribution Channels; Supply and Industry; Retail Industry
Kireyev, Pavel, Vineet Kumar, and Elie Ofek. "Match Your Own Price? Self-Matching as a Retailer's Multichannel Pricing Strategy." Harvard Business School Working Paper, No. 15-058, January 2015.
- 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.)
- August 2014
- Article
The Varied Work of Challenger Movements: Identifying Challenger Roles in the U.S. Environmental Movement
By: Stephanie Bertels, Andrew J. Hoffman and Rich Dejordy
Organizations within challenger movements often exhibit differences in what they do, with whom they interact, and how they understand or present themselves. This article attempts to understand what underlies such heterogeneity in challenger movements. Adopting a mixed... View Details
Keywords: Status and Position; Environmental Management; Non-Governmental Organizations; Social and Collaborative Networks
Bertels, Stephanie, Andrew J. Hoffman, and Rich Dejordy. "The Varied Work of Challenger Movements: Identifying Challenger Roles in the U.S. Environmental Movement." Organization Studies 35, no. 8 (August 2014): 1171–1210.
- March 2012
- Article
Reviving Entrepreneurship
By: Josh Lerner and William Sahlman
New enterprises don't exist in a vacuum: They rise or fall depending on myriad contextual factors, all of them interrelated, and all of them affected by government policy. U.S. lawmakers must carefully consider the effects of interventions in at least 12 areas, ranging... View Details
Keywords: Entrepreneurship; Government and Politics; Policy; Economy; Public Administration Industry; United States
Lerner, Josh, and William Sahlman. "Reviving Entrepreneurship." Harvard Business Review 90, no. 3 (March 2012): 116–119.
- 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