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This study adopts a novel approach to assessing addiction to cigarettes, small and large cigars, e-cigarettes, smokeless tobacco, and loose smoking tobacco by decomposing tobacco demand into supernumerary and precommitted quantities. Supernumerary tobacco consumption represents a demand component that varies with prices and smoker income, while precommitted consumption is immune to changes in economic circumstances and thus may be reflective of addiction. By empirically estimating the supernumerary and precommitted demand components, we shed light on the severity of tobacco addiction and smoker price and income responsiveness in the United States, which may prove vital in refining various tobacco control policies.