Many have argued that digital technologies such as smartphones and social media are addictive. We develop an economic model of digital addiction and estimate it using a randomized experiment. Temporary incentives to reduce social media use have persistent effects, suggesting social media are...

Widespread misconceptions can be critical, especially in times of crisis. Through a field experiment, we study how to address such wrong or inaccurate beliefs using messages delivered to individual citizens using mobile phones. We focus on misinformation related to the COVID-19 pandemic in a...

Transaction costs impose a barrier to savings, but lowering them may have smaller impacts than expected due to other constraints, such as psychological biases. Within the context of retirement savings under defined contributions in the privatized pension system in Mexico, we analyze two...

We created a unique data set based on social media data by collecting and geo-localising all the tweets of 54 thousand Swedish citizens from January 2019 to June 2019. This allows us to construct an attractive individual-level measure of preferences for pro-environmental behavior. We demonstrate...