Randomized Field Experiment - Publications - Faculty & Research - Harvard Business School

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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

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2020
Book

The Power of Experiments: Decision-Making in a Data-Driven World

By: Michael Luca and Max H. Bazerman

Have you logged into Facebook recently? Searched for something on Google? Chosen a movie on Netflix? If so, you've probably been an unwitting participant in a variety of experiments—also known as randomized controlled trials—designed to test the impact of changes to an... View Details

Keywords: Experiments; Randomized Controlled Trials; Organizations; Decision Making; Analytics and Data Science; Management Analysis, Tools, and Techniques

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20 Jun 2017
Working Paper Summaries

Conversational Peers and Idea Generation: Evidence from a Field Experiment

Keywords: by Sharique Hasan and Rembrand Koning

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

Keywords: Advertising; Digital Marketing; Outcome or Result

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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

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... View Details

Keywords: Choice Architecture; Randomized Field Experiment; Savings; New Beginning; Fresh Start; Saving; Retirement; Behavior

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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

Keywords: Price; Product; Information; Zambia

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2013
Working Paper

How Does Risk Management Influence Production Decisions? Evidence from a Field Experiment

By: Shawn Cole, Xavier Gine and James Vickery

Weather is a key source of income risk, particularly in emerging market economies. This paper uses a randomized controlled trial involving a sample of Indian farmers to study how an innovative rainfall insurance product affects production decisions. We find that... View Details

Keywords: Risk Management; Production; Weather; Insurance; Emerging Markets; Agribusiness; Insurance Industry; Agriculture and Agribusiness Industry; India

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

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Racial Discrimination in the Sharing Economy: Evidence from a Field Experiment

Abstract: In an experiment on Airbnb, we find that applications from guests with distinctively African American names are 16 percent less likely to be accepted relative to identical guests with distinctively white names. Discrimination occurs among landlords of... View Details

2010
Working Paper

Substitution Patterns of the Random Coefficients Logit

By: Thomas J. Steenburgh and Andrew Ainslie

Previous research suggests that the random coefficients logit is a highly flexible model that overcomes the problems of the homogeneous logit by allowing for differences in tastes across individuals. The purpose of this paper is to show that this is not true. We prove... View Details

Keywords: Decision Choices and Conditions; Mathematical Methods; Behavior; Prejudice and Bias

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

Keywords: Price; Attitudes; Health Industry; Zambia

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

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09 Oct 2017
Working Paper Summaries

Habit Formation and Rational Addiction: A Field Experiment in Handwashing

Keywords: by Reshmaan Hussam, Atonu Rabbani, Giovanni Reggiani, and Natalia Rigol

2024
Working Paper

Incrementality Representation Learning: Synergizing Past Experiments for Intervention Personalization

By: Ta-Wei Huang, Eva Ascarza and Ayelet Israeli

This paper introduces Incrementality Representation Learning (IRL), a novel multitask representation learning framework that predicts heterogeneous causal effects of marketing interventions. By leveraging past experiments, IRL efficiently designs and targets... View Details

Keywords: Heterogeneous Treatment Effect; Multi-task Learning; Representation Learning; Personalization; Promotion; Deep Learning; Field Experiments; Customer Focus and Relationships; Customization and Personalization

2022
Article

Alleviating Time Poverty Among the Working Poor: A Pre-Registered Longitudinal Field Experiment

By: A.V. Whillans and Colin West

Poverty entails more than a scarcity of material resources—it also involves a shortage of time. To examine the causal benefits of reducing time poverty, we conducted a longitudinal feld experiment over six consecutive weeks in an urban slum in Kenya with a sample of... View Details

Keywords: Time; Subjective Well Being; Administrative Costs; Friction; Poverty; Well-being; Money; Perception; Kenya

2014
Other Unpublished Work

No Margin, No Mission? A Field Experiment on Incentives for Public Services Delivery

By: Nava Ashraf, Oriana Bandiera and Kelsey Jack

A substantial body of research investigates the effect of pay for performance in firms, yet less is known about the effect of non-financial rewards, especially in organizations that hire individuals to perform tasks with positive social spillovers. We conduct a field... View Details

Keywords: Incentives; Non-monetary Rewards; Intrinsic Motivation; Mission and Purpose; Social Enterprise; Motivation and Incentives

Article

All Eyes on Them: A Field Experiment on Citizen Oversight and Electoral Integrity

By: Natalia Garbiras-Díaz and Mateo Montenegro

Can information and communication technologies help citizens monitor their elections? We analyze a large-scale field experiment designed to answer this question in Colombia. We leveraged Facebook advertisements sent to over 4 million potential voters to encourage... View Details

Keywords: Social Influence; Electoral Behavior; Election Outcomes; Economics; Economy; Governance; Government and Politics; Social Media; Social Marketing; Society; Political Elections; Advertising

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25 Jan 2016
Working Paper Summaries

Racial Discrimination in the Sharing Economy: Evidence from a Field Experiment

Keywords: by Benjamin G. Edelman, Michael Luca & Daniel Svirsky; Tourism; Travel; Technology

09 Jul 2015
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