Dr. Stephen E. Spear is a Professor of Economics at the Tepper School of Business at Carnegie Mellon University, where he has been a faculty member since 1982. He holds a Ph.D. in Economics from the University of Pennsylvania and has made significant contributions to economic theory, particularly in the areas of rational expectations, overlapping generations models, and dynamic economic models. His extensive publication record includes influential articles in top-tier journals such as Econometrica, the Journal of Political Economy, the Review of Economic Studies, and the Journal of Economic Theory. He serves as an Associate Editor for Macroeconomic Dynamics and is a Fellow of the Society for Economic Measurement and the Society for the Advancement of Economic Theory.