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- All HBS Web (2,277)
- Faculty Publications (370)
- 13 May 2025
- News
If I Knew Then
Subscribe on iTunes Subscribe on Spotify More Skydeck episodes Dan Morrell: On May 29, a fresh crop of MBAs will receive their diplomas and go off into the world to begin a new chapter in their lives. But before they walk across the stage on Baker Lawn, Dean Srikant... View Details
- Web
Some Things Are Sacred: How Economics Can Help Us Protect What Matters | Working Knowledge
Psychology and Behavior Some Things Are Sacred: How Economics Can Help Us Protect What Matters Featuring Debora L. Spar . By Michael Blanding on May 13, 2025 . Applying market principles to life’s emotional riches—like love and... View Details
- March 2022
- Article
Targeting High Ability Entrepreneurs Using Community Information: Mechanism Design in the Field
Identifying high-growth microentrepreneurs in low-income countries remains a challenge due to a scarcity of verifiable information. With a cash grant experiment in India we demonstrate that community knowledge can help target high-growth microentrepreneurs; while the... View Details
Keywords: Microentrepreneurs; Community Information; Field Experiment; Loans; Entrepreneurship; Developing Countries and Economies; Financing and Loans; Information; Mathematical Methods; India
Hussam, Reshmaan, Natalia Rigol, and Benjamin N. Roth. "Targeting High Ability Entrepreneurs Using Community Information: Mechanism Design in the Field." American Economic Review 112, no. 3 (March 2022): 861–898.
(Online Appendix with Corrigendum—Thanks to Isabella Masetto, Diego Ubfal, and The Institute for Replication for identifying a minor coding error in the production of Table 4.)
(Online Appendix with Corrigendum—Thanks to Isabella Masetto, Diego Ubfal, and The Institute for Replication for identifying a minor coding error in the production of Table 4.)
- June 2008
- Article
'Thar' She Blows: Can Bubbles Be Rekindled with Experienced Subjects?
By: Reshmaan Hussam, David Porter and Vernon Smith
We report 28 new experiment sessions consisting of up to three experience levels to examine the robustness of learning and “error” elimination among participants in a laboratory asset market and its effect on price bubbles. Our answer to the title question is: “yes.”... View Details
Hussam, Reshmaan, David Porter, and Vernon Smith. "'Thar' She Blows: Can Bubbles Be Rekindled with Experienced Subjects?" American Economic Review 98, no. 3 (June 2008): 924–937.
- May 2014
- Article
Representative Evidence on Lying Costs
By: Johannes Abeler, Anke Becker and Armin Falk
A central assumption in economics is that people misreport their private information if this is to their material benefit. Several recent models depart from this assumption and posit that some people do not lie or at least do not lie maximally. These models invoke many... View Details
Keywords: Private Information; Lying Costs; Tax Morale; Representative Experiment; Information; Microeconomics; Taxation; Behavior
Abeler, Johannes, Anke Becker, and Armin Falk. "Representative Evidence on Lying Costs." Journal of Public Economics 113 (May 2014): 96–104.
- July 2021
- Teaching Plan
Shorefast: A Strange and Familiar Way to Reimagine Capitalism
By: Brian Trelstad, Wendy Smith and Natalie Slawinski
Teaching Plan for HBS Case No. 320-098. In 2006, Zita Cobb and two of her brothers, Alan Cobb and Tony Cobb, native Newfoundlanders, launched Shorefast to help grow another leg of Fogo Island’s economy. Like so many rural communities, Fogo Island’s fate was tied... View Details
- April 2020 (Revised May 2025)
- Case
Shorefast: A Strange and Familiar Way to Reimagine Capitalism
By: Brian Trelstad, Wendy Smith and Natalie Slawinski
In 2006, Zita Cobb and two of her brothers, Alan Cobb and Tony Cobb, native Newfoundlanders, launched Shorefast to help grow another leg of Fogo Island’s economy. Like so many rural communities, Fogo Island’s fate was tied directly to one primary resource—in this case... View Details
Keywords: Place Making; Non-profit; Hotel; Economic Development; Tourism; Social Entrepreneurship; Nonprofit Organizations; Development Economics; Economic Systems; Tourism Industry; Canada
Trelstad, Brian, Wendy Smith, and Natalie Slawinski. "Shorefast: A Strange and Familiar Way to Reimagine Capitalism." Harvard Business School Case 320-098, April 2020. (Revised May 2025.)
- 2014
- Chapter
Ein Jahrzehnt Clusterpolitik und -forschung: Implikationen für eine moderne, clusterorientierte Wirtschaftsförderung
By: Christian H.M. Ketels
Reflecting on the experience of nearly two decades this chapter discusses the nature of cluster-based economic policies. It first looks at the types of programmes and initiatives that have emerged, and the evidence on their impact on economic outcomes. It then tracks... View Details
Ketels, Christian H.M. "Ein Jahrzehnt Clusterpolitik und -forschung: Implikationen für eine moderne, clusterorientierte Wirtschaftsförderung." Chap. 3 in Zukunft der Wirtschaftsförderung, edited by Rasmus C. Beck, Rolf G. Heinze, and Josef Schmid, 45–64. Nomos Verlagsgesellschaft, 2014, German ed.
- March 30, 2020
- Article
Why Is the U.S. Behind on Coronavirus Testing?
By: Stefan Thomke
Coronavirus testing is needed to address the uncertainty in making decisions about patient treatment, resource allocation, policy, and so much more. Answers to questions such as “When should we relax social distancing measures—and for whom?” or “How many ventilators... View Details
Keywords: Testing; Coronavirus; Culture; Trump; Data; Experiments; Health Pandemics; Health Testing and Trials; Government and Politics; United States
Thomke, Stefan. "Why Is the U.S. Behind on Coronavirus Testing?" Harvard Business Review Digital Articles (March 30, 2020).
- August 2021
- Supplement
Shorefast: A Strange and Familiar Way to Reimagine Capitalism: Zita Cobb, Founder and CEO
By: Brian Trelstad
Video Supplement for HBS Case No. 320-098. In 2006, Zita Cobb and two of her brothers, Alan Cobb and Tony Cobb, native Newfoundlanders, launched Shorefast to help grow another leg of Fogo Island’s economy. Like so many rural communities, Fogo Island’s fate was tied... View Details
Keywords: Place Making; Nonprofit; Hotel; Economic Development; Tourism; Social Entrepreneurship; Nonprofit Organizations; Development Economics; Economic Systems; Tourism Industry; Canada
Trelstad, Brian. "Shorefast: A Strange and Familiar Way to Reimagine Capitalism: Zita Cobb, Founder and CEO." Harvard Business School Multimedia/Video Supplement 322-701, August 2021.
- 2017
- Article
Computer Vision Uncovers Predictors of Physical Urban Change
By: Nikhil Naik, Scott Duke Kominers, Ramesh Raskar, Edward L. Glaeser and César A. Hidalgo
Which neighborhoods experience physical improvements? In this paper, we introduce a computer vision method to measure changes in the physical appearances of neighborhoods from time-series street-level imagery. We connect changes in the physical appearance of five U.S.... View Details
Keywords: Urban Economics; Gentrification; Urban Studies; Computer Vision; Nieghborhood Effects; Urban Development; Situation or Environment; Demographics; Economics; Change
Naik, Nikhil, Scott Duke Kominers, Ramesh Raskar, Edward L. Glaeser, and César A. Hidalgo. "Computer Vision Uncovers Predictors of Physical Urban Change." Proceedings of the National Academy of Sciences 114, no. 29 (July 18, 2017).
- November 2009
- Article
Finding Missing Markets (and a Disturbing Epilogue): Evidence from an Export Crop Adoption and Marketing Intervention in Kenya
By: Nava Ashraf, Xavier Gine and Dean Karlan
Farmers may grow crops for local consumption despite more profitable export options. DrumNet, a Kenyan NGO that helps small farmers adopt and market export crops, conducted a randomized trial to evaluate its impact. DrumNet services increased production of export crops... View Details
Keywords: Export Crop; Field Experiment; Food Safety Standards; Plant-Based Agribusiness; Trade; Profit; Marketing; Standards; Failure; Non-Governmental Organizations; Agriculture and Agribusiness Industry; Kenya; European Union
Ashraf, Nava, Xavier Gine, and Dean Karlan. "Finding Missing Markets (and a Disturbing Epilogue): Evidence from an Export Crop Adoption and Marketing Intervention in Kenya." American Journal of Agricultural Economics 91, no. 4 (November 2009): 973–990.
- August 2, 2016
- Article
Uncalculating Cooperation Is Used to Signal Trustworthiness
By: Jillian J. Jordan, Moshe Hoffman, Martin A. Nowak and David G. Rand
Humans frequently cooperate without carefully weighing the costs and benefits. As a result, people may wind up cooperating when it is not worthwhile to do so. Why risk making costly mistakes? Here, we present experimental evidence that reputation concerns provide an... View Details
Keywords: Social Evaluation; Experimental Economics; Moral Psychology; Cooperation; Reputation; Decision Making
Jordan, Jillian J., Moshe Hoffman, Martin A. Nowak, and David G. Rand. "Uncalculating Cooperation Is Used to Signal Trustworthiness." Proceedings of the National Academy of Sciences 113, no. 31 (August 2, 2016): 8658–8663.
- April 2025
- Article
Serving with a Smile on Airbnb: Analyzing the Economic Returns and Behavioral Underpinnings of the Host’s Smile
By: Shunyuan Zhang, Elizabeth Friedman, Kannan Srinivasan, Ravi Dhar and Xupin Zhang
Non-informational cues, such as facial expressions, can significantly influence judgments and interpersonal impressions. While past research has explored how smiling affects business outcomes in offline or in-store contexts, relatively less is known about how smiling... View Details
Keywords: Sharing Economy; Airbnb; Image Feature Extraction; Machine Learning; Facial Expressions; Prejudice and Bias; Nonverbal Communication; E-commerce; Consumer Behavior; Perception
Zhang, Shunyuan, Elizabeth Friedman, Kannan Srinivasan, Ravi Dhar, and Xupin Zhang. "Serving with a Smile on Airbnb: Analyzing the Economic Returns and Behavioral Underpinnings of the Host’s Smile." Journal of Consumer Research 51, no. 6 (April 2025): 1073–1097.
- 2016
- Working Paper
Market Design for Altruistic Supply: Evidence from the Lab
By: Robert Slonim and Carmen Wang
Volunteer supply is widespread. Yet without a price, inefficiencies occur due to suppliers’ inability to coordinate with each other and with demand. In these contexts, we propose a market clearinghouse mechanism that improves efficiency if supply is altruistically... View Details
Keywords: Laboratory Experiments; Volunteering; Public Goods Provision; Market Design; Philanthropy and Charitable Giving; Economics
Slonim, Robert, and Carmen Wang. "Market Design for Altruistic Supply: Evidence from the Lab." Harvard Business School Working Paper, No. 16-112, March 2016.
- September 2012 (Revised September 2015)
- Case
Doing Business in China
By: Felix Oberholzer-Gee, Michael Shih-ta Chen, Nancy Dai and G.A. Donovan
This case examines the challenges and opportunities of doing business in China. It highlights China's remarkable economic transformation in the decades leading up to 2012 in the context of its history, culture, and politics. The case summarizes the main obstacles faced... View Details
- May 2021
- Article
Fifty Shades of QE: Comparing Findings of Central Bankers and Academics
By: Brian Fabo, Marina Jančoková, Elisabeth Kempf and Ľuboš Pástor
We compare the findings of central bank researchers and academic economists regarding the macroeconomic effects of quantitative easing (QE). We find that central bank papers find QE to be more effective than academic papers do. Central bank papers report larger effects... View Details
Keywords: Quantitative Easing; Career Concerns; Economic Research; Central Banking; Macroeconomics; Economic Growth
Fabo, Brian, Marina Jančoková, Elisabeth Kempf, and Ľuboš Pástor. "Fifty Shades of QE: Comparing Findings of Central Bankers and Academics." Journal of Monetary Economics 120 (May 2021): 1–20.
- August 2009
- Article
Inexperienced Investors and Bubbles
By: Robin Greenwood and Stefan Nagel
We use mutual fund manager data from the technology bubble to examine the hypothesis that inexperienced investors play a role in the formation of asset price bubbles. Using age as a proxy for managers' investment experience, we find that around the peak of the... View Details
Keywords: Asset Price Bubbles; Investment Experience; Investor Age; Trend Chasing; Investment; Experience and Expertise; Age; Behavioral Finance; Price Bubble; Information Technology; Stocks
Greenwood, Robin, and Stefan Nagel. "Inexperienced Investors and Bubbles." Journal of Financial Economics 93, no. 2 (August 2009): 239–258. (formerly NBER Working Paper No. 14111, June 2008.)
- 01 Jun 2023
- News
In My Humble Opinion: Very Continental
Tanzania. Now based in Kigali, Rwanda, Ngoyi finds her global experience is a good fit with her current role. In May 2022, she was named CEO of the Fund for Export Development in Africa (FEDA). A $670 million investment fund and... View Details
- October 2017
- Article
The Size of the LGBT Population and the Magnitude of Anti-Gay Sentiment Are Substantially Underestimated
By: Katherine Baldiga Coffman, Lucas C. Coffman and Keith M. Marzilli Ericson
We demonstrate that widely used measures of anti-gay sentiment and the size of the LGBT population are misestimated, likely substantially. In a series of online experiments using a large and diverse but non-representative sample, we compare estimates from the standard... View Details
Keywords: LGBTQ; Social Trends ＆ Culture; Economic Theory; Prejudice; Prejudice and Bias; Diversity; Economics; Demographics
Coffman, Katherine Baldiga, Lucas C. Coffman, and Keith M. Marzilli Ericson. "The Size of the LGBT Population and the Magnitude of Anti-Gay Sentiment Are Substantially Underestimated." Management Science 63, no. 10 (October 2017): 3168–3186.