The effects of e cigarette taxes on e cigarette prices and tobacco product sales: Evidence from retail panel data ScienceDirect Higher Rate of Smoking May Result from a National Vaping Tax, Georgia State Economist Finds Georgia State University News Andrew Young School of Policy Studies, Research, University Research Health & Wellness Excise Tax on All E Cigarette Devices in Poland Poland is moving forward with a significant fiscal reform affecting the vaping industry. Starting this year, the Polish government will impose excise Tobiasz Changes in e cigarette use and related behaviors following the 2022 e cigarette tax increase in China: A prospective longitudinal observational study Electronic Cigarettes: Effect on Federal Excise Taxes Collected on Traditional Cigarettes Is Not Currently Evident U.S. GAO Catherine Maclean, "Effects of E cigarette Taxes on E cig. Prices & Sales" TOPS #7 Dec 4, 2020