Interview with Professor Matthias Sutter July 2016 Jennifer Garic & Kristina WollseifenThe computer or car must be repaired, or you need to take medicine: These are examples for credence goods – goods which often cause informational asymmetries between seller and buyer. In the WiSo Faculty’s new video series “A coffee chat with…” Professor Matthias Sutter explains the problems occurring due to this asymmetry and why it generates inefficiencies. Matthias Sutter is a Professor of Experimental Economics at the University of Cologne.