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- Faculty Publications (370)
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- 18 Jul 2013
- Working Paper Summaries
Cumulative Innovation & Open Disclosure of Intermediate Results: Evidence from a Policy Experiment in Bioinformatics
Keywords: by Kevin J. Boudreau & Karim Lakhani
- 11 Dec 2020
- Research & Ideas
Economic Jitters Push Pandemic Job Seekers to Big Companies, Not Startups
The coronavirus pandemic is spurring job applicants to seek positions at big companies and avoid startups in what new research calls an economic “flight to safety.” Job applicants using AngelList Talent, the largest online recruitment... View Details
Keywords: by Rachel Layne
- June 2017
- Article
When Novel Rituals Lead to Intergroup Bias: Evidence from Economic Games and Neurophysiology
By: Nicholas M. Hobson, Francesca Gino, Michael I. Norton and Michael Inzlicht
Long-established rituals in pre-existing cultural groups have been linked to the cultural evolution of large-scale group cooperation. Here we test the prediction that novel rituals—arbitrary hand and body gestures enacted in a stereotypical and repeated fashion—can... View Details
Keywords: Ritual; Intergroup Dynamics; Intergroup Bias; Neural Reward Processing; Open Data; Open Materials; Preregistered; Groups and Teams; Behavior; Prejudice and Bias; Cooperation
Hobson, Nicholas M., Francesca Gino, Michael I. Norton, and Michael Inzlicht. "When Novel Rituals Lead to Intergroup Bias: Evidence from Economic Games and Neurophysiology." Psychological Science 28, no. 6 (June 2017): 733–750.
- April 2023
- Article
The Preference Survey Module: A Validated Instrument for Measuring Risk, Time, and Social Preferences
By: Armin Falk, Anke Becker, Thomas Dohmen, David B. Huffman and Uwe Sunde
Incentivized choice experiments are a key approach to measuring preferences in economics but are also costly. Survey measures are a low-cost alternative but can suffer from additional forms of measurement error due to their hypothetical nature. This paper seeks to... View Details
Keywords: Survey Validation; Experiment; Preference Measurement; Surveys; Economics; Behavior; Measurement and Metrics
Falk, Armin, Anke Becker, Thomas Dohmen, David B. Huffman, and Uwe Sunde. "The Preference Survey Module: A Validated Instrument for Measuring Risk, Time, and Social Preferences." Management Science 69, no. 4 (April 2023): 1935–1950.
- 20 Jun 2018
- Working Paper Summaries
Show or Tell? Improving Agent Decision Making in a Tanzanian Mobile Money Field Experiment
- 2015
- Working Paper
The U.S. Experiment with Fair Trade Laws: State Police Powers, Federal Antitrust, and the Politics of 'Fairness,' 1890-1938
By: Laura Phillips Sawyer
Prior to the Great Depression and President Franklin Roosevelt's New Deal programs, considerable pressure for antitrust revision came from trade associations of independent proprietors. A perhaps unlikely leader, Edna Gleason, organized California's retail pharmacists... View Details
Keywords: Competition; Fairness; Laws and Statutes; Supply and Industry; Business and Government Relations
Phillips Sawyer, Laura. "The U.S. Experiment with Fair Trade Laws: State Police Powers, Federal Antitrust, and the Politics of 'Fairness,' 1890-1938." Harvard Business School Working Paper, No. 16-060, November 2015.
- 2023
- Working Paper
'De Gustibus' and Disputes about Reference Dependence
By: Thomas Graeber, Pol Campos-Mercade, Lorenz Goette, Alexandre Kellogg and Charles Sprenger
Existing tests of reference-dependent preferences assume universal loss aversion. This paper examines the implications of heterogeneity in gain-loss attitudes for such tests. In experiments on labor supply and exchange behavior we measure gain-loss attitudes and then... View Details
Graeber, Thomas, Pol Campos-Mercade, Lorenz Goette, Alexandre Kellogg, and Charles Sprenger. "'De Gustibus' and Disputes about Reference Dependence." Harvard Business School Working Paper, No. 24-046, January 2024.
- 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.
- 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.
- 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.)
- 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.
- 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.
- 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.
- 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.)
- 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).
- 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.
- 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.