Yves Balasko is a French economist working in England. He was born in Paris on August 9, 1945 to a Hungarian father and a French mother. After studying mathematics at the École Normale Supérieure in Paris he became interested in economics. He subsequently spent six years at Électricité de France where he was involved in the application of the theory of marginal cost pricing to electricity pricing. While at Électricité de France, he proved his first results on the structure of the equilibrium manifold in the theory of general equilibrium. After completing his dissertation on the "Economic equilibrium from the differential point of view," he had positions at the Universities of Paris XII, Paris I, Geneva and York. He currently holds a position at Pontifical Catholic University of Rio de Janeiro, in Brazil.