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All HBS Web
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- Faculty Publications (169)
- 2023
- Working Paper
Efficient Discovery of Heterogeneous Quantile Treatment Effects in Randomized Experiments via Anomalous Pattern Detection
By: Edward McFowland III, Sriram Somanchi and Daniel B. Neill
In the recent literature on estimating heterogeneous treatment effects, each proposed method makes its own set of restrictive assumptions about the intervention’s effects and which subpopulations to explicitly estimate. Moreover, the majority of the literature provides...
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Keywords:
Causal Inference;
Program Evaluation;
Algorithms;
Distributional Average Treatment Effect;
Treatment Effect Subset Scan;
Heterogeneous Treatment Effects
McFowland III, Edward, Sriram Somanchi, and Daniel B. Neill. "Efficient Discovery of Heterogeneous Quantile Treatment Effects in Randomized Experiments via Anomalous Pattern Detection." Working Paper, 2023.
- Article
Your Visual System Provides All the Information You Need to Make Moral Judgments about Generic Visual Events
By: Julian De Freitas and George A. Alvarez
To what extent are people's moral judgments susceptible to subtle factors of which they are unaware? Here we show that we can change people’s moral judgments outside of their awareness by subtly biasing perceived causality. Specifically, we used subtle visual...
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De Freitas, Julian, and George A. Alvarez. "Your Visual System Provides All the Information You Need to Make Moral Judgments about Generic Visual Events." Cognition 178 (September 2018): 133–146.
- December 2017
- Article
Discordant vs. Harmonious Selves: The Effects of Identity Conflict and Enhancement on Sales Performance in Employee-Customer Interactions
By: Lakshmi Ramarajan, Nancy Rothbard and Steffanie Wilk
Across multiple studies, we examine how identity conflict and enhancement within people affect performance in tasks that involve interactions between people through two mechanisms: role-immersion, operationalized as intrinsic motivation, and role-taking,...
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Ramarajan, Lakshmi, Nancy Rothbard, and Steffanie Wilk. "Discordant vs. Harmonious Selves: The Effects of Identity Conflict and Enhancement on Sales Performance in Employee-Customer Interactions." Academy of Management Journal 60, no. 6 (December 2017): 2208–2238.
- 2017
- Article
Handgun Waiting Periods Reduce Gun Deaths
By: Michael Luca, Deepak Malhotra and Christopher Poliquin
Handgun waiting periods are laws that impose a delay between the initiation of a purchase and final acquisition of a firearm. We show that waiting periods, which create a “cooling off” period among buyers, significantly reduce the incidence of gun violence. We estimate...
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Keywords:
Gun Policy;
Gun Violence;
Waiting Period;
Injury Prevention;
Policy;
Safety;
Governing Rules, Regulations, and Reforms;
United States
Luca, Michael, Deepak Malhotra, and Christopher Poliquin. "Handgun Waiting Periods Reduce Gun Deaths." Proceedings of the National Academy of Sciences 114, no. 46 (November 14, 2017).
- August 8, 2017
- Article
Buying Time Promotes Happiness
By: A.V. Whillans, Elizabeth W. Dunn, Paul Smeets, Rene Bekkers and Michael I. Norton
Around the world, increases in wealth have produced an unintended consequence: a rising sense of time scarcity. We provide evidence that using money to buy time can provide a buffer against this time famine, thereby promoting happiness. Using large, diverse samples...
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Whillans, A.V., Elizabeth W. Dunn, Paul Smeets, Rene Bekkers, and Michael I. Norton. "Buying Time Promotes Happiness." Proceedings of the National Academy of Sciences 114, no. 32 (August 8, 2017): 8523–8527.
- Article
Kill or Die: Moral Judgment Alters Linguistic Coding of Causality
By: Julian De Freitas, Peter DiScioli, Jason Nemirow, Maxim Massenkoff and Steven Pinker
What is the relationship between the language people use to describe an event and their moral judgments?
We test the hypothesis that moral judgment and causative verbs rely on the same underlying mental
model of people’s actions. Experiment 1a finds that participants...
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Keywords:
Moral Cognition;
Moral Psychology;
Causative Verbs;
Trolley Problem;
Argument Structure;
Moral Sensibility;
Judgments
De Freitas, Julian, Peter DiScioli, Jason Nemirow, Maxim Massenkoff, and Steven Pinker. "Kill or Die: Moral Judgment Alters Linguistic Coding of Causality." Journal of Experimental Psychology: Learning, Memory, and Cognition 43, no. 8 (August 2017): 1173–1182.
- 2017
- Working Paper
Homophily in Entrepreneurial Team Formation
By: Paul A. Gompers, Kevin Huang and Sophie Q. Wang
We study the role of homophily in group formation. Using a unique dataset of MBA students, we observe homophily in ethnicity and gender increases the probability of forming teams by 25%. Homophily in education and past working experience increases the probability of...
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Gompers, Paul A., Kevin Huang, and Sophie Q. Wang. "Homophily in Entrepreneurial Team Formation." Harvard Business School Working Paper, No. 17-104, May 2017.
- May 2017
- Article
Behavioral Processes in Long-Lag Interventions
By: Dale T. Miller, Jennifer E. Dannals and Julian Zlatev
We argue that psychologists who conduct experiments with long lags between the manipulation and the outcome measure should pay more attention to behavioral processes that intervene between the manipulation and the outcome measure. Neglect of such processes, we contend,...
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Keywords:
Field Experiments;
Interventions;
Behavioral Mediation;
Theories Of Change;
Longitudinal Studies;
Behavior;
Research;
Change;
Theory
Miller, Dale T., Jennifer E. Dannals, and Julian Zlatev. "Behavioral Processes in Long-Lag Interventions." Perspectives on Psychological Science 12, no. 3 (May 2017): 454–467.
- Article
Is Saving Lives Your Task or God's?: Religiosity, Belief in God, and Moral Judgment
By: Netta Barak-Corren and Max Bazerman
Should a Catholic hospital abort a life-threatening pregnancy or let a pregnant woman die? Should a religious employer allow his employees access to contraceptives or break with healthcare legislation? People and organizations of faith often face moral decisions that...
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Keywords:
Normative Conflict;
Inaction;
Indirectness;
Deontology;
Utilitarianism;
Sunday Effect;
Religion;
Moral Sensibility;
Decisions;
Judgments
Barak-Corren, Netta, and Max Bazerman. "Is Saving Lives Your Task or God's? Religiosity, Belief in God, and Moral Judgment." Judgment and Decision Making 12, no. 3 (May 2017): 280–296.
- Article
Normative Judgments and Individual Essence
By: Julian De Freitas, Kevin P. Tobia, George E. Newman and Joshua Knobe
A growing body of research has examined how people judge the persistence of identity over
time—that is, how they decide that a particular individual is the same entity from one time to the
next. While a great deal of progress has been made in understanding the types...
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Keywords:
Concepts;
Essentialism;
Normative Factors;
Persistence;
True Self;
Morality;
Identity;
Moral Sensibility;
Perception
De Freitas, Julian, Kevin P. Tobia, George E. Newman, and Joshua Knobe. "Normative Judgments and Individual Essence." Cognitive Science 41, no. S3 (2017): 382–402.
- February 2017
- Article
Resident Networks and Corporate Connections: Evidence from World War II Internment Camps
By: Lauren Cohen, Umit Gurun and Christopher J. Malloy
We demonstrate that simply by using the ethnic makeup surrounding a firm’s location, we can predict, on average, which trade links are valuable for firms. Using customs and port authority data on the international shipments of all U.S. publicly traded firms, we show...
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Keywords:
Information Networks;
Trade Links;
Firm Behavior;
Networks;
Geographic Location;
Ethnicity;
Organizations;
Trade
Cohen, Lauren, Umit Gurun, and Christopher J. Malloy. "Resident Networks and Corporate Connections: Evidence from World War II Internment Camps." Journal of Finance 72, no. 1 (February 2017): 207–248. (Winner of First Prize, the Inaugural Hakan Orbay Research Award, 2015.)
- 2016
- Working Paper
The Effect of Shareholder Litigation Risk on the Information Environment: The Case of Cross-Listed Firms
By: Anywhere Sikochi
I document the causal link between shareholder litigation risk and cross-listed firms’ information environment by exploiting a quasi-natural experiment in the form of a reduction in litigation risk resulting from the 2010 Supreme Court ruling in Morrison v. National...
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Keywords:
Cross-listing;
Information Environment;
Shareholder Litigation Risk;
D&O Insurance;
Risk and Uncertainty;
Lawsuits and Litigation;
Business and Shareholder Relations
Sikochi, Anywhere. "The Effect of Shareholder Litigation Risk on the Information Environment: The Case of Cross-Listed Firms." Harvard Business School Working Paper, No. 17-048, December 2016.
- 2016
- Working Paper
Delaying Firearm Purchases Reduces Gun Violence
By: Michael Luca, Deepak Malhotra and Christopher Poliquin
Handgun waiting periods are laws that impose a two to seven-day delay between the purchase and delivery of a firearm. While states might institute waiting periods for different reasons (e.g., to allow for background checks), these delays also create a “cooling off”...
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- 2016
- Article
The Dynamic Componential Model of Creativity and Innovation in Organizations: Making Progress, Making Meaning
By: Teresa M. Amabile and Michael G. Pratt
Leveraging insights gained through a burgeoning research literature over the past 28 years, this paper presents a significant revision of the model of creativity and innovation in organizations published in Research in Organizational Behavior in 1988. This...
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Keywords:
Progress;
Meaningful Work;
Affect;
Creativity;
Organizations;
Innovation and Invention;
Motivation and Incentives
Amabile, Teresa M., and Michael G. Pratt. "The Dynamic Componential Model of Creativity and Innovation in Organizations: Making Progress, Making Meaning." Research in Organizational Behavior 36 (2016): 157–183.
- 2016
- Working Paper
Do Network Dynamics Undermine Idea-based Network Advantages? Experimental Results from an Entrepreneurship Bootcamp
By: Rembrand Koning
Do networks plentiful in ideas provide early stage startups with performance advantages? On the one hand, network positions that provide access to a multitude of ideas are thought to increase team performance. On the other hand, research on network formation argues...
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Koning, Rembrand. "Do Network Dynamics Undermine Idea-based Network Advantages? Experimental Results from an Entrepreneurship Bootcamp." Working Paper, August 2016.
- July 2016
- Article
Taxation, Corruption, and Growth
By: Philippe Aghion, Ufuk Akcigit, Julia Cagé and William R. Kerr
We build an endogenous growth model to analyze the relationships between taxation, corruption, and economic growth. Entrepreneurs lie at the center of the model and face disincentive effects from taxation but acquire positive benefits from public infrastructure....
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Keywords:
Endogenous Growth;
Public Goods;
Corruption;
Crime and Corruption;
Entrepreneurship;
Taxation;
Economic Growth
Aghion, Philippe, Ufuk Akcigit, Julia Cagé, and William R. Kerr. "Taxation, Corruption, and Growth." Special Issue on The Economics of Entrepreneurship. European Economic Review 86 (July 2016): 24–51.
- March 2016 (Revised March 2022)
- Teaching Note
Evive Health and Workplace Influenza Vaccinations
By: John Beshears
Evive Health is a company that manages communication campaigns on behalf of health insurance plans and large employers. Using big data techniques and insights from behavioral economics, Evive deploys targeted and effective messages that improve individuals' health...
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Keywords:
Vaccination;
Influenza;
Flu Shot;
Preventive Care;
Health Care;
Behavioral Economics;
Choice Architecture;
Nudge;
Experimental Design;
Randomized Controlled Trial;
RCT;
Causal Inference;
Health Care and Treatment;
Insurance;
Health;
Consumer Behavior;
Health Testing and Trials;
Communication Strategy;
Insurance Industry;
Health Industry
- March 2016
- Case
Evive Health and Workplace Influenza Vaccinations
By: John Beshears
Evive Health is a company that manages communication campaigns on behalf of health insurance plans and large employers. Using big data techniques and insights from behavioral economics, Evive deploys targeted and effective messages that improve individuals' health...
View Details
Keywords:
Vaccination;
Influenza;
Flu Shot;
Preventive Care;
Health Care;
Behavioral Economics;
Choice Architecture;
Nudge;
Experimental Design;
Randomized Controlled Trial;
RCT;
Causal Inference;
Consumer Behavior;
Health Care and Treatment;
Health Testing and Trials;
Communication Strategy;
Health Industry
Beshears, John. "Evive Health and Workplace Influenza Vaccinations." Harvard Business School Case 916-044, March 2016.
- 2016
- Article
Does volunteering improve well-being?
By: A.V. Whillans, Scott C. Seider, Lihan Chen, Ryan J. Dwyer, Sarah Novick, Kathryn J. Gramigna, Brittany A. Mitchell, Victoria Savalei, Sally S. Dickerson and Elizabeth W. Dunn
Does volunteering causally improve well-being? To empirically test this question, we examined one instantiation of volunteering that is common at post-secondary institutions across North America: community service learning (CSL). CSL is a form of experiential learning...
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Whillans, A.V., Scott C. Seider, Lihan Chen, Ryan J. Dwyer, Sarah Novick, Kathryn J. Gramigna, Brittany A. Mitchell, Victoria Savalei, Sally S. Dickerson, and Elizabeth W. Dunn. "Does volunteering improve well-being?" Comprehensive Results in Social Psychology 1, nos. 1-3 (2016): 35–50.
- 2016
- Chapter
User-Generated Content and Social Media
By: Michael Luca
This paper documents what economists have learned about user-generated content (UGC) and social media. A growing body of evidence suggests that UGC on platforms ranging from Yelp to Facebook has a large causal impact on economic and social outcomes ranging from...
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Keywords:
User-generated Content;
Crowdsourcing;
Design Economics;
Internet and the Web;
Marketing;
Economics;
Media;
Social Media
Luca, Michael. "User-Generated Content and Social Media." Chap. 12 in Handbook of Media Economics. Vol. 1B, edited by Simon Anderson, Joel Waldfogel, and David Strömberg. North-Holland Publishing Company, 2016.