Graciela Chichilnisky holds the UNESCO Chair in Mathematics and Economics and is professor of statistics at Columbia University, where she is the director of the Program on Information and Resources and its Center for Risk Management. She introduced and developed the concept of "basic needs" and is the author of eleven books and some 180 scientific articles.Geoffrey Heal is Garrett Professor of Public Policy and Business Responsibility and professor of economics and finance of the Graduate School of Business at Columbia University. A past president of the Association of Environmental and Resource Economists, he is the author of many scientific articles and thirteen books, including Economic… Theory and Exhaustible Resources; Valuing the Future: Economic Theory and Sustainability;and Nature and the Marketplace.
Laura Wexler is professor of American studies and women's, gender, and sexuality studies at Yale University.Geoffrey Heal is Garrett Professor of Public Policy and Business Responsibility and professor of economics and finance of the Graduate School of Business at Columbia University. A past president of the Association of Environmental and Resource Economists, he is the author of many scientific articles and thirteen books, including Economic Theory and Exhaustible Resourcesand Nature and the Marketplace.