quantify group image concerns, and conduct a series of laboratory and online experiments to measure them in three distinct … domains. In the first two experiments focused on charitable behavior, participants donate more when their contributions are … general U.S. population, using religious affiliation as their group identity. Additional online experiments explore group …

propose a new software framework, "alter_ego", which makes it easy to design experiments between LLMs and to integrate LLMs … into oTree-based experiments with human subjects. Our toolkit is freely available at github.com/mrpg/ego. To illustrate, we … effects in machine-only treatments are strong and similar to those expected from previous human-only experiments, yet less …

In many public policy areas, randomized policy experiments can greatly contribute to our knowledge of the effects of … policies and can thus help to improve public policy. However, policy experiments are not very common. This paper studies … whether a lack of appreciation for policy experiments among voters may be the reason for this. Collecting survey data …

We provide a practical guide to designing, conducting, and analyzing experiments using social media platforms. First … participants for a large class of experiments. Next, we outline the different types of interventions and their advantages and … in the design and analysis of social media experiments. Throughout, we provide technical details that are helpful when …

externalities. We conduct laboratory and online market experiments in which firms and consumers can exchange products that differ in … exogenously vary consumers' income. Across all three experiments, higher income causes an increase in the quantity of socially …