His research focuses on the economic analysis of substance use and abuse, and how prices, taxes, and other substance control policies affect the demands for tobacco, alcohol, and illicit drugs. Dr. Huang’s current research involves examining the marketing and promotion of new and emerging tobacco products, particularly Electronic Nicotine Delivery Systems (ENDS), and how policies and regulations affect use of ENDS. In addition, Dr. Huang has also conducted extensive research on the impact of tobacco taxes in reducing tobacco use in low- and middle-income countries.