{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,9]],"date-time":"2026-07-09T13:28:02Z","timestamp":1783603682949,"version":"3.55.0"},"reference-count":98,"publisher":"Public Library of Science (PLoS)","issue":"3","license":[{"start":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T00:00:00Z","timestamp":1741737600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000054","name":"National Cancer Institute","doi-asserted-by":"publisher","award":["R01CA235719"],"award-info":[{"award-number":["R01CA235719"]}],"id":[{"id":"10.13039\/100000054","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100006928","name":"Ohio State University","doi-asserted-by":"publisher","award":["Pelotonia Fellowship"],"award-info":[{"award-number":["Pelotonia Fellowship"]}],"id":[{"id":"10.13039\/100006928","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:sec id=\"sec011\">\n<jats:title>Objective<\/jats:title>\n<jats:p>Concurrent use of alcohol and cigarettes is well-documented in the literature. However, it is unclear how e-cigarette regulations in a growing number of localities impact the use of tobacco and alcohol in the US. This study aims to evaluate the impacts of excise taxes, tobacco use restrictions in restaurants\/bars, and availability of alcohol flavor in e-cigarettes on tobacco consumption, and their cross impacts on alcohol consumption.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec012\">\n<jats:title>Method<\/jats:title>\n<jats:p>A total of 181 US adult smokers who were using e-cigarettes and consuming alcohol participated in online volumetric choice experiments and reported on the quantity they would purchase among cigarettes, closed-system e-cigarettes, beer, and one other alcohol product (wine\/liquor) under varying policy scenarios.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec013\">\n<jats:title>Results<\/jats:title>\n<jats:p>Estimated own-price elasticities of demand for beer, liquor\/wine, and cigarettes were -0.10, -0.11, and -0.16, respectively (<jats:italic>p<\/jats:italic> &lt;\u2009 0.001). Higher beer (cross-price elasticity =\u2009 0.13) and liquor\/wine prices (cross-price elasticity =\u2009 0.05) increased e-cigarette consumption (<jats:italic>p<\/jats:italic> &lt;\u2009 0.05). If e-cigarettes were allowed in bars\/restaurants, their consumption increased by 2.4 units (<jats:italic>p<\/jats:italic> &lt;\u2009 0.001), and if cigarettes were allowed in bars\/restaurants, e-cigarette consumption increased by 1.9 units (<jats:italic>p<\/jats:italic> &lt;\u2009 0.01), relative to the mean consumption level. Greater reported weekly spending on alcohol and\/or tobacco was associated with higher consumption of all products (<jats:italic>p<\/jats:italic> &lt;\u2009 0.001).<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec014\">\n<jats:title>Conclusions<\/jats:title>\n<jats:p>Higher taxes or prices may reduce the consumption of beer, liquor\/wine, and cigarettes. E-cigarettes are economic substitutes for alcohol among smokers who are currently drinking and using e-cigarettes. Regulating tobacco indoor use will have an impact on e-cigarette consumption.<\/jats:p>\n<\/jats:sec>","DOI":"10.1371\/journal.pone.0320023","type":"journal-article","created":{"date-parts":[[2025,3,12]],"date-time":"2025-03-12T17:33:38Z","timestamp":1741800818000},"page":"e0320023","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":3,"title":["The impacts of product characteristics and regulatory environment on smokers\u2019 preferences for tobacco and alcohol: Evidence from a volumetric choice 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