Publications

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

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

SSRN

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

2014
Working Paper

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; Immigration; Diasporas; International Finance; El Salvador

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

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

Purchase

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

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

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

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

Attracting Early Stage Investors: Evidence from a Randomized Field Experiment

By: S. Bernstein, A. Korteweg and K. Laws

July 2023
Article

So, Who Likes You? Evidence from a Randomized Field Experiment

By: Ravi Bapna, Edward McFowland III, Probal Mojumder, Jui Ramaprasad and Akhmed Umyarov

With one-third of marriages in the United States beginning online, online dating platforms have become important curators of the modern social fabric. Prior work on online dating has elicited two critical frictions in the heterosexual dating market. Women, governed by... View Details

Keywords: Online Dating; Internet and the Web; Analytics and Data Science; Gender; Emotions; Social and Collaborative Networks

Purchase

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

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

December 2014
Article

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

By: Nava Ashraf, Oriana Bandiera and B. 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; Motivation and Incentives; Employees; Service Industry; Health Industry