A growing body of work has shown that aggregate shocks affect the formation of preferences and beliefs. This article reviews evidence from sociology, social psychology, and economics to assess the relevance of aggregate shocks, whether the period in which they are experienced matters, and...

The share of e-commerce in total credit-card spending boomed during Covid in Spain. In particular, women, youth, and urban consumers used e-commerce proportionally more during the pandemic, especially for services. Using a unique proprietary dataset on credit card transactions, we test...