According to @nberpubs, statewide Tobacco 21 (#T21) laws that prohibit the sale of tobacco products to people under the age of 21 appear to be having their intended outcome of reducing youth tobacco use.

Alex Cohen is the Director of Learning and Evaluation for the Richard M. Fairbanks Foundation. Smokers, like all people, respond to incentives. One powerful incentive is price. When something becomes more expensive, people are less likely to consume that item. This fact is borne out in the extensive literature on the impact of cigarette taxes on smoking: As prices rise through taxes, fewer people smoke. This happens by keeping non-smokers, including youth, from starting in the first place and by encouraging current smokers to quit. But do increases in cigarette taxes in one state incentivize smokers (or tobacco retailers and wholesalers) to cross the border into neighboring states where cigarettes […]