Professor, Department of Economics, University of Massachusetts Amherst, United States. He is the author of Conflict and Effective Demand in Economic Growth, published by the Cambridge University Press. His extensive list of contributions range from growth and development to inequality, financial instability and secular stagnation. They have appeared in journals such as the Economic Journal, the Cambridge Journal of Economics, the Journal of Economic Behavior & Organization, Structural Change and Economic Dynamics, the Journal of Post Keynesian Economics, among others.

Professor, Department of Applied Economics, University of the Basque Country, Spain. He is an Associate Member of the Centre for Economic and Public Policy, University of Cambridge , United Kingdom. He is also a Trustee of the Association for Social Economics, and Coordinator of Labour Economics at the European Association for Evolutionary Political Economy. His scholarly papers have appeared in journals such as the American Journal of Economics and Sociology, Applied Economics, Journal of Evolutionary Economics, Journal of Post Keynesian Economics, Structural Change and Economic Dynamics, among others.