Nirmal Chandra Sahu received his PhD in economics from Berhampur University and pursued post-doctoral studies in the University of York, UK under a World Bank Project Fellowship. He has specialised in environmental and ecological economics. He has twenty-eight years of experience in teaching and research, and has guided many doctoral students. He has published more than sixty research papers in national and international journals and brought out two books. He is a life member of the Indian Economics Association and the Indian Society for Ecological Economics.

Amita Kumari Choudhury received her PhD in economics from Berhampur University and visited University of York, UK under a World Bank short term grant. She has specialised in environmental economics. She has twenty-two years of experience in teaching and research. She has published more than twenty-five research papers in national and international journals. She is a life member of the International Institute of Development Studies, the Indian Economics Association and the Indian Society for Ecological Economics.