We partnered with Walmart to test 22 nudges designed to boost vaccination rates in their pharmacies. Nudges were delivered via text message to over 650,000 Walmart pharmacy patients in the fall of 2020 and encouraged patients to visit Walmart for a flu vaccine. We demonstrate that behaviorally...

Many Americans fail to get life-saving vaccines each year, and the availability of a vaccine for COVID-19 makes the challenge of encouraging vaccination more urgent than ever. We present a large field experiment (N=47,306) testing 19 nudges delivered to patients via text message and designed to...

Consumers often use luxury products to signal their aspirational selves. In social media, consumers can publicly affiliate with such products and brands virtually without having to physically own them. This research demonstrates how social media can enable consumers to engage with aspirational...

Consumers frequently express themselves by posting about products in social media. As consumers can use physical products to signal their identities, posting products in social media may be a way for consumers to virtually signal identity. Paradoxically, we propose that there are conditions...

In the context of user-generated content (UGC), mobile devices have made it easier for consumers to review products and services in a timely manner. In practice, some UGC sites differentiate between reviews posted from mobile versus non-mobile devices. For example, TripAdvisor uses a “via...

In the context of user-generated content (UGC), mobile devices have made it easier for consumers to review products and services in a timely manner. In practice, some UGC sites indicate if a review was posted from a mobile device. For example, TripAdvisor uses a “via mobile” label to denote...