Patrik Aspers is Professor of Sociology at Uppsala University. His research focuses on theory development, and especially of markets. His work is grounded in phenomenology. Empirically Aspers has studied the economy, especially the fashion industry. He has published several books, including Markets in Fashion, A Phenomenological Approach (Routledge), Orderly Fashion, A Sociology of Markets (Princeton UP), Markets (Polity Press) and, co-edited with Jens Beckert, The Worth of Goods (Oxford University Press). Nigel Dodd is Professor of Sociology at the London School of Economics, and Editor-in-Chief of the British Journal of Sociology. He is author of The Sociology of Money and Social Theory and Modernity (both published by Polity Press). His new book, The Social Life of Money, was published by Princeton University Press in September 2014. He is now working on a new book for Princeton University Press, Utopianism and the Future of Money, which looks at the prospects for monetary reform by exploring a number of alternative currencies, from Bitcoin to the Brixton pound.