Thaariq, R.M.November 25, 2019Chriqui, J.November 26, 2019 Development and Policies Research Center Publications by this authorIllicit cigarette trade study in Vietnam. Development and Policies Research Center Policy BriefIllicit cigarette trade study in Vietnam. Development and Policies Research Center Final ReportCigarette brand substitution patterns in VietnamPotential impacts of specific tobacco excise tax on illicit trade in cigarettesTobacco excise tax can be a progressive policy tool Bookmark daniellapollock