Dr. Yuan specializes in general equilibrium modeling and large-scale general equilibrium model systems for economic assessment of policies in various industries and national and international economies. Her analyses have included US national and regional environmental regulations, the impacts of global environmental policies on energy market, economic implication of natural gas exports, lifting of oil export ban, strategic implications for major energy players of changes in energy markets, the comparison of global energy and environmental policies, the impacts of electric vehicles on electricity systems, and policy effectiveness on energy efficiency.