Alejandro Nadal is a professor at El Colegio de México, where he directs the research Program on Science, Technology and Development (1982-2007). He has a B.A. in Law from the National Autonomous University and a Ph.D. in Economics from the University of Paris X (Nanterre). He has carried out research on macroeconomics, general equilibrium theory, technical change, nuclear weapons and sustainable resource management. He was responsible for the course on Comparative Economic Theory in the MA and PhD programs at the Center for Economic Studies, El Colegio de México (1982-2006). He writes for the Mexican daily La Jornada and the magazine Sin Permiso.