His current research focuses on the interaction of banks and markets, addressing interbank markets, securities trading and loan securitization and syndication. His publications appeared, among others, in the Review of Economic Studies, Journal of Financial Intermediation, Journal of Financial Regulation, and Experimental Economics. Krahnen is a CEPR research fellow, and was President of the European Finance Association in 2011.
Krahnen has been involved in policy advisory on issues of financial market regulation, as a member of the High Level Expert Group on Structural Reforms of the EU Banking Sector (“Liikanen Commission”) in 2012, as a member of the Issing-Commission, advising the German government on the G-20 meetings from 2008-2012. He was a member of the Group of Economic Advisors (GEA) at the European Securities and Markets Agency (ESMA), Paris, and currently serves as a member of the Academic Advisory Board of Germany’s Federal Ministry of Finance.