Her research interests are in the economics of the environment, energy economics, integrated modeling of economic and environment system, climate change economics and modeling, productivity and economic growth. Her research has included the estimation of co-benefits of greenhouse gas abatement activities at the technology level and policy level, computable general equilibrium modeling on optimal environmental taxation, assessment of environmental health damage for China, and integrated top-down and bottom-up modeling on induced technology change and economy-wide policy effects. Currently her research is focused on empirically testing the cost of China's environmental policy on firms' performance, green productivity measurement, integrated modeling of climate change, energy system and land use changes.