E-cigarettes may not be much better
Zero nicotine
Although the retail environment has become an increasingly important channel for the tobacco industry, leveraging this avenue is not a new trick in their marketing toolkit
Furthermore, GEE, as opposed to multilevel models, has a simpler structure and is computationally more efficient, but that means our models are clustered only longitudinally by individuals IDs and other, more complex, clustering levels and interactions were omitted
[11] In 2013, New York City passed a comprehensive point of sale policy, Sensible Tobacco Enforcement, which restricted price discounts by prohibiting retailers from redeeming coupons or honoring other price discounts for tobacco products, set a minimum price for cigarettes and little cigars at $10.50 per pack, set minimum packaging requirements, and increased enforcement and penalties for tax evasion