Hooi Hooi Lean is a Professor of Economics in the School of Social Sciences of Universiti Sains Malaysia (Malaysia). Prof. Lean has authored more than 200 scholarly articles and academic book chapters. Her works have been published in many reputed international journals and publications. She was listed as one of the Top 2% scientists in the world by Stanford University and one of the Top 1000 Scientists in the field of Economics and Finance by Research.com. Prof. Lean serves as the Specialty Chief Editor for Energy Economics in Frontiers in Environmental Economics.