John B. Davis is Professor of Economics at Marquette University, USA, and Professor of Economics at the University of Amsterdam, the Netherlands. He is the author of Keynes's Philosophical Development (1994), The Theory of the Individual in Economics: Identity and Value (2003), and Individuals and Identity in Economics (2011), and co-author of Economic Methodology: Understanding Economics as a Science (2011, with Marcel Boumans). He is co-editor of the Journal of Economic Methodology and The Elgar Companion to Recent Economic Methodology (2011, with D. Wade Hands).

D. Wade Hands is Distinguished Professor of Economics at the University of Puget Sound, USA. He is the author of Testing, Rationality, and Progress: Essays on the Popperian Tradition in Economic Methodology (1993), Reflection Without Rules: Economic Methodology and Contemporary Science Theory (2001), Introductory Mathematical Economics, 2^nd edition (2004), and co-author of Agreement on Demand: Consumer Theory in the Twentieth Century (2006, with Philip Mirowski). He is co-editor of the Journal of Economic Methodology and The Elgar Companion to Recent Economic Methodology (2011, with John B. Davis).