Gilbert (Gib) Metcalf is the John DiBiaggio Professor of Citizenship and Public Service and a Professor of Economics Emeritus at Tufts University and a Visiting Professor at the MIT Sloan School where he serves as an affiliate of the Center for Energy and Environmental Policy Research (CEEPR). In addition, he is a Research Associate at the National Bureau of Economic Research and a University Fellow at Resources For The Future. Metcalf's primary research area is applied public finance with particular interests in taxation, energy, and environmental economics. His current research focuses on policy evaluation and design in the area of energy and climate change.