Online platforms provide search tools that help consumers to get betterfitting product offers. But this technology makes consumer search behavior also easily traceable for the platform and allows for real-time price discrimination. Consumers face a trade-off: Search intensely and receive better...

Terrorist attacks can have profound consequences for the erosion of social norms, yet the causes of this erosion are not well understood. We argue that these attacks create substantial uncertainty about whether norms of civic conversation still hold. Observing breaches of these norms then leads...