Only recently introduced into the U.S. market, e-cigarettes have been aggressively promoted, and use is increasing rapidly among both adults and youths. At the heart of the regulatory debate are fundamental questions regarding whether e-cigarettes will draw cigarette smokers away from a...

Over the past few years, adult use of e-cigs has been increasing while adult smoking has been declining. Although there is a negative time correlation, it is important to determine if there is a causal effect of e-cig use on smoking. This is important because of the known health hazards...

Over the past decade, rising youth use of e-cigarettes and other electronic nicotine delivery systems (ENDS) has prompted aggressive regulation by state and local governments. Between 2010 and 2019, ten states and two large counties adopted ENDS taxes. Applying a continuous treatment...

Over the past decade, rising youth use of e-cigarettes and other electronic nicotine delivery systems (ENDS) has prompted aggressive regulation by state and local governments. Between 2010 and 2019, ten states and two large counties adopted ENDS taxes. Applying a continuous treatment...

Over the past few years, adult use of e-cigs has been increasing while adult smoking has been declining. Although there is a negative time correlation, it is important to determine if there is a causal effect of e-cig use on smoking. This is important because of the known health hazards...