Phitawat Poonpolkul is a Ph.D. candidate in economics at the Centre of Applied Macroeconomics Analysis (CAMA) in Crawford School of Public Policy. He is also an ARC Centre of Excellence in Population Ageing Research (CEPAR) affiliated research student. His primary research interests are on macroeconomics and demographic changes. In particular, he researches on overlapping generation models to explain the implications of demographic changes on the macroeconomy in aspects of asset allocation, monetary policy, and fiscal sustainability. Prior to his study, he has more than four years of experience as a senior economist at the central bank of Thailand.