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Show Results For
- All HBS Web
(3,525)
- People (32)
- News (973)
- Research (1,553)
- Events (35)
- Multimedia (18)
- Faculty Publications (634)
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- 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.
- 2024
- Working Paper
Platform Information Provision and Consumer Search: A Field Experiment
By: Lu Fang, Yanyou Chen, Chiara Farronato, Zhe Yuan and Yitong Wang
Despite substantial efforts to help consumers search in more intuitive ways, text search remains the predominant tool for product discovery online. In this paper, we explore the effects of visual and textual cues for search refinement on consumer search and purchasing... View Details
Keywords: Consumer Behavior; E-commerce; Decision Choices and Conditions; Learning; Internet and the Web
Fang, Lu, Yanyou Chen, Chiara Farronato, Zhe Yuan, and Yitong Wang. "Platform Information Provision and Consumer Search: A Field Experiment." NBER Working Paper Series, No. 32099, February 2024.
- Research Summary
What Makes the Bonding Stick? A Natural Experiment Testing the Legal Bonding Hypothesis
On March 29, 2010, the U.S. Supreme Court signaled its intention to geographically limit the reach of the U.S. securities antifraud regime and thus differentially exclude U.S.-listed foreign firms from the ambit of formal U.S. antifraud enforcement. We use this legal... View Details
- Article
Measuring the Scientific Effectiveness of Contact Tracing: Evidence from a Natural Experiment
By: Thiemo Fetzer and Thomas Graeber
Contact tracing has for decades been a cornerstone of the public health approach to epidemics, including Ebola, severe acute respiratory syndrome, and now COVID-19. It has not yet been possible, however, to causally assess the method’s effectiveness using a randomized... View Details
Fetzer, Thiemo, and Thomas Graeber. "Measuring the Scientific Effectiveness of Contact Tracing: Evidence from a Natural Experiment." Proceedings of the National Academy of Sciences 118, no. 33 (August 17, 2021): 1–4.
- July 2009
- Article
How Is Foreign Aid Spent? Evidence from a Natural Experiment
By: Eric D. Werker, Faisal Z. Ahmed and Charles Cohen
We use oil price fluctuations to test the impact of transfers from wealthy OPEC nations to their poorer Muslim allies. The instrument identifies plausibly exogenous variation in foreign aid. We investigate how aid is spent by tracking its short-run effect on aggregate... View Details
Werker, Eric D., Faisal Z. Ahmed, and Charles Cohen. "How Is Foreign Aid Spent? Evidence from a Natural Experiment." American Economic Journal: Macroeconomics 1, no. 2 (July 2009): 225–244. (Reprinted in Geopolitics of Foreign Aid, ed. Helen Milner and Dustin Tingley. Northampton: Edward Elgar, 2013.)
- November 2009
- Article
The Nature of Partnering Experience and the Gains from Alliances
By: Ranjay Gulati, D. Lavie and H. Singh
Gulati, Ranjay, D. Lavie, and H. Singh. "The Nature of Partnering Experience and the Gains from Alliances." Strategic Management Journal 30, no. 11 (November 2009): 1213–1233.
- 15 May 2007
- Working Paper Summaries
How is Foreign Aid Spent? Evidence from a Compelling Natural Experiment
- Article
The Dynamics of Reorganization in Matching Markets: A Laboratory Experiment Motivated by a Natural Experiment
By: John H. Kagel and A. E. Roth
Kagel, John H., and A. E. Roth. "The Dynamics of Reorganization in Matching Markets: A Laboratory Experiment Motivated by a Natural Experiment." Quarterly Journal of Economics 115, no. 1 (February 2000): 201–235.
- 2007
- Working Paper
How Is Foreign Aid Spent? Evidence from a Natural Experiment
By: Eric D. Werker, Faisal Z. Ahmed and Charles Cohen
We use oil price fluctuations to construct a new instrument to test the impact of transfers from wealthy OPEC nations to their poorer Muslim allies. The instrument identifies plausibly exogenous variation in foreign aid. We investigate how aid is spent by tracking its... View Details
Werker, Eric D., Faisal Z. Ahmed, and Charles Cohen. "How Is Foreign Aid Spent? Evidence from a Natural Experiment." Harvard Business School Working Paper, No. 07-074, April 2007. (Revised December 2007, July 2008.)
- March 2020
- Article
Do Managers Matter? A Natural Experiment from 42 R&D Labs in India
By: Prithwiraj Choudhury, Tarun Khanna and Christos A. Makridis
We exploit plausibly exogenous variation in the staggered entry of new managers into India’s 42 public R&D labs between 1994 and 2006 to study how alignment between the CEO and middle-level managers affect research productivity. We show that the introduction of new lab... View Details
Keywords: Incentives; Innovation; Productivity; Management; Alignment; Research and Development; Innovation and Invention; Performance Productivity; India
Choudhury, Prithwiraj, Tarun Khanna, and Christos A. Makridis. "Do Managers Matter? A Natural Experiment from 42 R&D Labs in India." Journal of Law, Economics & Organization 36, no. 1 (March 2020): 47–83.
- July 2023
- Article
So, Who Likes You? Evidence from a Randomized Field Experiment
By: Ravi Bapna, Edward McFowland III, Probal Mojumder, Jui Ramaprasad and Akhmed Umyarov
With one-third of marriages in the United States beginning online, online dating platforms have become important curators of the modern social fabric. Prior work on online dating has elicited two critical frictions in the heterosexual dating market. Women, governed by... View Details
Keywords: Online Dating; Internet and the Web; Analytics and Data Science; Gender; Emotions; Social and Collaborative Networks
Bapna, Ravi, Edward McFowland III, Probal Mojumder, Jui Ramaprasad, and Akhmed Umyarov. "So, Who Likes You? Evidence from a Randomized Field Experiment." Management Science 69, no. 7 (July 2023): 3939–3957.
- December 2010
- Article
Can Higher Prices Stimulate Product Use? Evidence from a Field Experiment in Zambia
By: Nava Ashraf, James Berry and Jesse M. Shapiro
The controversy over how much to charge for health products in the developing world rests, in part, on whether higher prices can increase use, either by targeting distribution to high-use households (a screening effect), or by stimulating use psychologically through a... View Details
Ashraf, Nava, James Berry, and Jesse M. Shapiro. "Can Higher Prices Stimulate Product Use? Evidence from a Field Experiment in Zambia." American Economic Review 100, no. 5 (December 2010): 2383–2413. (Online Appendix.)
- 19 Jun 2017
- Working Paper Summaries
Learning to Manage: A Field Experiment in the Indian Startup Ecosystem
- Article
A Field Experiment on Search Costs and the Formation of Scientific Collaborations
By: Kevin Boudreau, Tom Brady, Ina Ganguli, Patrick Gaule, Eva C. Guinan, Anthony Hollenberg and Karim R. Lakhani
We present the results of a field experiment conducted at Harvard Medical School to understand the extent to which search costs affect matching among scientific collaborators. We generated exogenous variation in search costs for pairs of potential collaborators by... View Details
Keywords: Search Costs; Cost; Marketplace Matching; Groups and Teams; Science; Collaborative Innovation and Invention
Boudreau, Kevin, Tom Brady, Ina Ganguli, Patrick Gaule, Eva C. Guinan, Anthony Hollenberg, and Karim R. Lakhani. "A Field Experiment on Search Costs and the Formation of Scientific Collaborations." Review of Economics and Statistics 99, no. 4 (October 2017): 565–576.
- 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.)
- May 2014
- Article
Dynamics of Demand for Index Insurance: Evidence from a Long-Run Field Experiment
By: Shawn A. Cole, Daniel Stein and Jeremy Tobacman
This paper estimates how experimentally-manipulated experiences with a novel financial product, rainfall index insurance, affect subsequent insurance demand. Using a seven-year panel, we develop three main findings. First, recent experience matters for demand,... View Details
Cole, Shawn A., Daniel Stein, and Jeremy Tobacman. "Dynamics of Demand for Index Insurance: Evidence from a Long-Run Field Experiment." American Economic Review: Papers and Proceedings 104, no. 5 (May 2014): 284–290.
- 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.
- 2006
- Working Paper
Can Higher Prices Stimulate Product Use? Evidence from a Field Experiment in Zambia
By: Nava Ashraf, James Berry and Jesse M. Shapiro
The controversy over whether and how much to charge for health products in the developing world rests, in part, on whether higher prices can increase use, either by targeting distribution to high-use households (a screening effect), or by stimulating use... View Details
Ashraf, Nava, James Berry, and Jesse M. Shapiro. "Can Higher Prices Stimulate Product Use? Evidence from a Field Experiment in Zambia." Harvard Business School Working Paper, No. 07-034, December 2006. (Forthcoming, American Economic Review.)
- Article
Attracting Early Stage Investors: Evidence from a Randomized Field Experiment
By: S. Bernstein, A. Korteweg and K. Laws
Bernstein, S., A. Korteweg, and K. Laws. "Attracting Early Stage Investors: Evidence from a Randomized Field Experiment." Journal of Finance 72, no. 2 (April 2017): 509–538. (Lead Article.)
- 2024
- Working Paper
Does Pension Automatic Enrollment Increase Debt? Evidence from a Large-Scale Natural Experiment
By: John Beshears, Matthew Blakstad, James J. Choi, Christopher Firth, John Gathergood, David Laibson, Richard Notley, Jesal D. Sheth, Will Sandbrook and Neil Stewart
Does automatic enrollment into retirement saving increase household debt? We study the randomized roll-out of automatic enrollment pensions to ~160,000 employers in the United Kingdom with 2-29 employees. We find that the additional savings generated through automatic... View Details
Keywords: Retirement; Saving; Personal Finance; Borrowing and Debt; Credit; Compensation and Benefits
Beshears, John, Matthew Blakstad, James J. Choi, Christopher Firth, John Gathergood, David Laibson, Richard Notley, Jesal D. Sheth, Will Sandbrook, and Neil Stewart. "Does Pension Automatic Enrollment Increase Debt? Evidence from a Large-Scale Natural Experiment." Working Paper, October 2024.