Price of smoking pack = production cost + pigovian tax + profit

http://www.livescience.com/8848-true-cost-smoking-150-pack.html

http://mitpress.mit.edu/books/price-smoking

http://www.sciencedirect.com/science/article/pii/S0167629611000828

http://www.nejm.org/doi/full/10.1056/NEJM199802123380713