Stephen F. LeRoy is Professor of Economics Emeritus at the University of California, Santa Barbara. Early in his career, he was an economist in the research departments of the Federal Reserve Bank of Kansas City and the Board of Governors of the Federal Reserve System. He then moved to the economics department at the University of California, Santa Barbara. He also served as Carlson Professor of Finance in the Carlson School of Management, University of Minnesota. He has had visiting appointments at the University of California, Berkeley; the University of California, Davis; the California Institute of Technology; and the University of Chicago. He earned his PhD in economics from the University of Pennsylvania.
Jan Werner is Professor of Economics at the University of Minnesota. He has taught at the Pompeu Fabra University, Barcelona; the Institute for Advanced Studies in Vienna; and the Central University of Finance and Economics, Beijing. He has had visiting appointments at the University of Bonn; the European University Institute, Florence; and Universitï¿½ Paris Dauphine. He serves on the editorial boards of Economic Theory, the Journal of Mathematical Economics, the Annals of Finance, and the Central European Journal of Economic Modeling and Econometrics. He earned his PhD in economics from the University of Bonn.