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All HBS Web
(1,640)
- People (4)
- News (361)
- Research (1,024)
- Events (19)
- Multimedia (2)
- Faculty Publications (393)
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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...
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- 2023
- Working Paper
Much Ado About Nothing? Overreaction to Random Regulatory Audits
By: Samuel Antill and Joseph Kalmenovitz
Regulators often audit firms to detect non-compliance. Exploiting a natural experiment in the lobbying industry, we show that firms overreact to audits and this response distorts prices and reduces welfare. Each year, federal regulators audit a random sample of...
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Antill, Samuel, and Joseph Kalmenovitz. "Much Ado About Nothing? Overreaction to Random Regulatory Audits." Working Paper, August 2023.
- 22 Aug 2012
- Working Paper Summaries
A Randomized Field Study of a Leadership WalkRounds™-Based Intervention
WalkRounds -based programs and performance has not been rigorously examined in a set of randomly selected hospitals. Objective: To fill this research gap, we conducted a randomized field study of a WalkRounds -based program. Research...
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- 2022
- Working Paper
Is Hybrid Work the Best of Both Worlds? Evidence from a Field Experiment
Hybrid work is emerging as a novel form of organizing work globally. This paper reports causal evidence on how the extent of hybrid work—the number of days worked from home relative to days worked from the office—affects work outcomes. Collaborating with an...
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Keywords:
Hybrid Work;
Remote Work;
Work-from-home;
Field Experiment;
Employees;
Geographic Location;
Performance;
Work-Life Balance
Choudhury, Prithwiraj, Tarun Khanna, Christos A. Makridis, and Kyle Schirmann. "Is Hybrid Work the Best of Both Worlds? Evidence from a Field Experiment." Harvard Business School Working Paper, No. 22-063, March 2022.
- 2019
- Working Paper
Infringing Use as a Path to Legal Consumption: Evidence from a Field Experiment
By: Hong Luo and Julie Holland Mortimer
Digitization has transformed how users find and use copyrighted goods, but many existing legal options remain difficult to access, possibly leading to infringement. In a field experiment, we contact firms that are caught infringing on expensive digital images. Emails...
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Luo, Hong, and Julie Holland Mortimer. "Infringing Use as a Path to Legal Consumption: Evidence from a Field Experiment." Harvard Business School Working Paper, No. 19-081, January 2019. (Revised August 2019.)
- January 2024
- Article
Population Interference in Panel Experiments
By: Kevin Wu Han, Guillaume Basse and Iavor Bojinov
The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit’s outcome, has received considerable attention in standard randomized experiments. The complications produced by population interference in...
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Han, Kevin Wu, Guillaume Basse, and Iavor Bojinov. "Population Interference in Panel Experiments." Journal of Econometrics 238, no. 1 (January 2024).
- Fall 2023
- Article
Infringing Use as a Path to Legal Consumption: Evidence from a Field Experiment
By: Hong Luo and Julie Holland Mortimer
Digitization has transformed how users find and use copyrighted goods, but many existing legal options remain difficult to access, possibly leading to infringement. In a field experiment, we contact firms that are caught infringing on expensive digital images. Emails...
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Luo, Hong, and Julie Holland Mortimer. "Infringing Use as a Path to Legal Consumption: Evidence from a Field Experiment." Special Issue on Field Experiments edited by Michael Luca and Sarah Moshary. Journal of Economics & Management Strategy 32, no. 3 (Fall 2023): 523–542.
- 2021
- Working Paper
Population Interference in Panel Experiments
By: Iavor I Bojinov, Kevin Wu Han and Guillaume Basse
The phenomenon of population interference, where a treatment assigned to one experimental unit affects another experimental unit's outcome, has received considerable attention in standard randomized experiments. The complications produced by population interference in...
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Bojinov, Iavor I., Kevin Wu Han, and Guillaume Basse. "Population Interference in Panel Experiments." Harvard Business School Working Paper, No. 21-100, March 2021.
- September 2017
- Article
The Real Effects of Capital Controls: Firm-Level Evidence from a Policy Experiment
By: Laura Alfaro, Anusha Chari and Fabio Kanczuk
Emerging-market governments adopted capital control taxes to manage the massive surge in foreign capital inflows in the aftermath of the global financial crisis. Theory suggests that the imposition of capital controls can drive up the cost of capital and curb...
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Keywords:
Capital Controls;
Discriminatory Taxation;
International Investment Barriers;
Exports;
Debt;
Cost of Capital;
Taxation;
Investment;
Borrowing and Debt;
Equity;
Brazil
Alfaro, Laura, Anusha Chari, and Fabio Kanczuk. "The Real Effects of Capital Controls: Firm-Level Evidence from a Policy Experiment." Journal of International Economics 108 (September 2017): 191–210. (Also see NBER Working Paper 20726.
See comment in Brookings Series: The Hutchins Roundup.
See also, feature in NBER Digest March 2015 issue. )
- 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...
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- 2023
- Working Paper
Virtual Water Coolers: A Field Experiment on the Role of Virtual Interactions on Organizational Newcomer Performance
Designing management practices to better onboard organizational newcomers working remotely is a key priority for firms. We report results from a randomized field experiment conducted at a large global firm that estimates the performance effects of different types of...
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Keywords:
Remote Work;
Virtual Water Coolers;
Social Interactions;
Careers;
Field Experiment;
Employees;
Interpersonal Communication;
Internet and the Web;
Performance;
Personal Development and Career
Choudhury, Prithwiraj, Jacqueline N. Lane, and Iavor Bojinov. "Virtual Water Coolers: A Field Experiment on the Role of Virtual Interactions on Organizational Newcomer Performance." Harvard Business School Working Paper, No. 21-125, May 2021. (Revised February 2023.)
- Research Summary
Management Control Systems in Multiunit Companies
By: Tatiana Sandino
Professor Sandino conducts research on early-stage multiunit companies that introduce management control systems to help maintain operations, as well as company culture, as they grow, but also to enable adaptation to the different markets that they serve. Building... View Details
- Article
The Perils of Proactive Churn Prevention Using Plan Recommendations: Evidence from a Field Experiment
By: Eva Ascarza, Raghuram Iyengar and Martin Schleicher
Facing the issue of increasing customer churn, many service firms have begun recommending pricing plans to their customers. One reason behind this type of retention campaign is that customers who subscribe to a plan suitable for them should be less likely to churn...
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Keywords:
Churn/retention;
Field Experiment;
Pricing;
Tariff/plan Choice;
Targeting;
Customer Relationship Management;
Price;
Performance Effectiveness
Ascarza, Eva, Raghuram Iyengar, and Martin Schleicher. "The Perils of Proactive Churn Prevention Using Plan Recommendations: Evidence from a Field Experiment." Journal of Marketing Research (JMR) 53, no. 1 (February 2016): 46–60.
- January 2014
- Article
Randomized Tax Enforcement Messages: A Policy Tool for Improving Audit Strategies
By: Dina Pomeranz, Cristobal Marshall and Pamela Castellon
Reducing tax evasion is a key challenge for governments around the world, particularly in developing countries. This paper presents a methodology to generate information to optimize audit strategies. Randomly selected taxpayers receive a deterrence message. Comparing...
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Pomeranz, Dina, Cristobal Marshall, and Pamela Castellon. "Randomized Tax Enforcement Messages: A Policy Tool for Improving Audit Strategies." Tax Administration Review, no. 36 (January 2014): 1–21.
- 2024
- Working Paper
Design of Panel Experiments with Spatial and Temporal Interference
By: Tu Ni, Iavor Bojinov and Jinglong Zhao
One of the main practical challenges companies face when running experiments (or A/B tests) over a panel is interference, the setting where one experimental unit's treatment assignment at one time period impacts another's outcomes, possibly at the following time...
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Keywords:
Research
Ni, Tu, Iavor Bojinov, and Jinglong Zhao. "Design of Panel Experiments with Spatial and Temporal Interference." Harvard Business School Working Paper, No. 24-058, March 2024.
- Article
Effect of Different Financial Incentive Structures on Promoting Physical Activity Among Adults: A Randomized Clinical Trial
By: Chethan Bachireddy, Andrew Joung, Leslie K. John, Francesca Gino, Bradford Tuckfield, Luca Foschini and Katherine L. Milkman
Importance: Few adults engage in recommended levels of physical activity. Financial incentives can promote physical activity, but little is known about how their structure influences their effectiveness; for example, whether incentives are more effective if they are...
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Bachireddy, Chethan, Andrew Joung, Leslie K. John, Francesca Gino, Bradford Tuckfield, Luca Foschini, and Katherine L. Milkman. "Effect of Different Financial Incentive Structures on Promoting Physical Activity Among Adults: A Randomized Clinical Trial." JAMA Network Open 2, no. 8 (August 2019): 1–13.
- 02 Aug 2006
- Research & Ideas
Investor Protection: The Czech Experience
Protection in a Converging World," the expropriation and its aftermath "illustrate the interaction of property and contract rights in a global setting, how corporate control is shaped by geography, and how multinational firms...
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- Research Summary
Models of optimal experience (flow)
Flow is a state of profound task-absorption, involvement, and intrinsic enjoyment that makes the person feel one with the activity. Csikszentmihalyi's Flow Theory states that flow is more likely to occur in situations in which the person feels that the activity is very...
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- May 18, 2012
- Article
Randomized Government Safety Inspections Reduce Worker Injuries with No Detectable Job Loss
By: David I Levine, Michael W. Toffel and Matthew S. Johnson
Controversy surrounds occupational health and safety regulators, with some observers claiming that workplace regulations damage firms' competitiveness and destroy jobs and others arguing that they make workplaces safer at little cost to employers and employees. We...
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Keywords:
Regulation;
Occupational Safety;
Evaluation;
Regression;
Matching;
Difference In Differences;
Safety;
Health;
Working Conditions;
Governing Rules, Regulations, and Reforms;
Competitive Advantage;
Performance;
Manufacturing Industry;
California
Levine, David I., Michael W. Toffel, and Matthew S. Johnson. "Randomized Government Safety Inspections Reduce Worker Injuries with No Detectable Job Loss." Science 336, no. 6083 (May 18, 2012): 907–911. (Online supplement (appendix). Featured in an article by the head of US OSHA, and in U.S. News & World Report and many other news outlets. Basis of U.S. Congressional testimony on promoting safe workplaces.)
- Article
Using Fresh Starts to Nudge Increased Retirement Savings
By: John Beshears, Hengchen Dai, Katherine L. Milkman and Shlomo Benartzi
We conducted a field experiment to study the effect of framing future moments in time as new beginnings (or “fresh starts”). University employees (N=6,082) received mailings with an opportunity to choose between increasing their contributions to a savings plan...
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Keywords:
Choice Architecture;
Randomized Field Experiment;
Savings;
New Beginning;
Fresh Start;
Saving;
Retirement;
Behavior
Beshears, John, Hengchen Dai, Katherine L. Milkman, and Shlomo Benartzi. "Using Fresh Starts to Nudge Increased Retirement Savings." Organizational Behavior and Human Decision Processes 167 (November 2021): 72–87.