Ralph S.J. Koijen
Ralph S.J. Koijen is a Professor of Finance at the at the University of Chicago Booth School of Business. He is also a Research Associate at the National Bureau of Economic Research and a Research Fellow of the Center for Economic Policy Research. He serves as an Editor of the Review of Financial Studies and an Associate Editor of the Journal of Political Economy. Professor Koijen’s research focuses on finance, insurance, and macroeconomics. His research has been published in the American Economic Review, Econometrica, the Journal of Political Economy, Journal of Finance, the Review of Financial Studies, and the Journal of Financial Economics. Before joining Chicago Booth, Professor Koijen was a Professor of Finance at the London Business School and NYU Stern, and an Assistant and Associate Professor of Finance at Chicago Booth. He received his undergraduate degree in Econometrics from Tilburg University and his Ph.D. in Finance from Tilburg University.