Tree-like branching networks are very common flow or transportation systems from natural evolution. In this study, the optimal structures of tree-like branching networks for minimum flow resistance are analyzed for both laminar and turbulent flow in both smooth and rough pipes. It is found that...

This paper explains the tobacco tax structure and cigarette pricing mechanism in China, develops a general analytical framework for analyzing the Chinese tobacco turnover tax system, and examines the effects of 2009 tobacco tax adjustment on cigarette prices and tax revenue. We find that...

This study investigates the affordability of cigarettes in China between 2001 and 2016. In the past two decades, China has achieved unprecedented economic growth rates. The country’s per capita gross domestic product (GDP) has increased at an average annual rate of 10 percent. Rapid economic...

The goal of this study is to examine cigarette affordability in Russia between 2002 and 2017 in order to provide an understanding of the country's current tobacco excise tax policy, and to identify opportunities and next steps