Taoyuan Wei is a senior researcher at CICERO Center for International Climate Research. He moved to CICERO after receiving his Ph.D. in Economics from the University of Oslo in 2009. Since then, he has been responsible for macroeconomic modeling in several research projects related to climate change issues. He has worked on rebound effects of energy efficiency improvement, one of the key measures commonly suggested for climate change mitigation. His Ph.D. dissertation was on accounting for the income arising from nonrenewable resources. He has worked on the input-output survey, accounting and analysis at National Bureau of Statistics of China.