Smoking is the leading preventable cause of death in the U.S. Because e-cigarettes do not involve the combustion of tobacco, vaping offers the potential to prevent most of the health consequences of smoking. We study the impact of an information shock created by an outbreak of lung injuries...

Requiring graphic warning labels (GWLs) on cigarette packaging has become a highly contentious unresolved legal battle. The constitutionality depends, in part, on the likely impact of GWLs on smoking decisions, and whether they generate knowledge as opposed to emotional reactions against...