Ad platforms such as Google and Meta have dominated the digital advertising market for years. However, brands have long been concerned about the advertising efficacy on ad platforms, especially given the skyrocketing advertising costs in recent years. In this study, we examine whether the...

In the sharing economy, how do changes in supply impact demand? We study this question by collaborating with a ride-sharing platform to conduct a natural field experiment. Our experimental design employs an instrumental variable strategy: by exogenously manipulating the driver subsidy schedule,...

Using a field experiment in the Netherlands, we study the labor market and the budgetary effects of a more generous earnings exemption policy. The policy allowed claimants to keep more earnings for a longer time. In line with expectations, we find positive effects on employment, almost entirely...

We demonstrate the social efficiency of investing in high-quality early childhood education using newly collected data from the HighScope Perry Preschool Project. The data analyzed are the longest follow-up of any randomized early childhood education program. Annual observations of participant...

We demonstrate the social efficiency of investing in high-quality early childhood education using newly collected data from the HighScope Perry Preschool Project. The data analyzed are the longest follow-up of any randomized early childhood education program. Annual observations of participant...

This paper investigates the causal impact of a randomized video intervention designed to study the determinants of parental time investments in early childhood among low-income parents. We designed and screened one video that provided information and conveyed persuasive messages about parental...

This article examines disability discrimination in the hiring process and explores variation in how the intersection of disability and gender shapes employers' hiring behavior by occupational context and gender segregation. We use data from a field experiment in which approximately 2,000 job...

This paper tests for discriminatory treatment of the Roma minority by public officials in the Czech Republic at the stage of initial contact preceding a potential application for unemployment benefit. Our correspondence experiment facilitates testing for the presence of each of two intertwined...

For companies, it is essential to obtain information about customers' preferences to successfully market their products and services. Experimental auctions are a promising method for acquiring such information considering that they are incentive compatible and non-hypothetical. Their...

We conducted a randomized controlled trial to evaluate the impact of a summer learning program for vulnerable students across ten cities in Italy (N=1,038). The program had two components: educational workshops in small groups (88 hours) and personalized tutoring (12 hours). Results indicate...