zjâr (IMAGE) Johannes Gutenberg Universitaet Mainz Caption Professor Dr. Oliver Emrich Credit Foto/©: privat Usage Restrictions This image may only be used in connection with the press release "Oliver Emrich receives William R. Davidson Award for a retail research publication", issued by Johannes Gutenberg University Mainz on June 19, 2020. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.